{"id":3621,"date":"2026-09-21T07:12:42","date_gmt":"2026-09-21T07:12:42","guid":{"rendered":"https:\/\/otus.ru\/journal\/?p=3621"},"modified":"2026-09-25T15:39:36","modified_gmt":"2026-09-25T15:39:36","slug":"dzhava-i-servlety-chto-dolzhen-znat-razrabotchik","status":"publish","type":"post","link":"https:\/\/otus.ru\/journal\/dzhava-i-servlety-chto-dolzhen-znat-razrabotchik\/","title":{"rendered":"\u0421\u0435\u0440\u0432\u043b\u0435\u0442\u044b \u0432 Java: \u043a\u0430\u043a \u0443\u0441\u0442\u0440\u043e\u0435\u043d\u044b \u0438 \u043a\u0430\u043a \u043d\u0430\u043f\u0438\u0441\u0430\u0442\u044c \u043f\u0435\u0440\u0432\u044b\u0439 \u0441\u0435\u0440\u0432\u043b\u0435\u0442"},"content":{"rendered":"<p><strong>\u0421\u0435\u0440\u0432\u043b\u0435\u0442<\/strong> &#8212; \u044d\u0442\u043e Java-\u043a\u043b\u0430\u0441\u0441, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0431\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 HTTP-\u0437\u0430\u043f\u0440\u043e\u0441\u044b \u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0438 \u0444\u043e\u0440\u043c\u0438\u0440\u0443\u0435\u0442 \u043e\u0442\u0432\u0435\u0442. \u041e\u043d \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0432\u043d\u0443\u0442\u0440\u0438 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430 \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u043e\u0432 (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, Apache Tomcat) \u0438 \u0441\u043b\u0443\u0436\u0438\u0442 \u0442\u043e\u0447\u043a\u043e\u0439 \u0432\u0445\u043e\u0434\u0430 \u0432\u0435\u0431-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f: \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u0437\u0430\u043f\u0440\u043e\u0441 \u043e\u0442 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430, \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442 \u043b\u043e\u0433\u0438\u043a\u0443 \u0438 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 HTML, JSON \u0438\u043b\u0438 \u0434\u0440\u0443\u0433\u043e\u0439 \u043a\u043e\u043d\u0442\u0435\u043d\u0442.<\/p>\n<div class=\"oj-toc\" style=\"background:#f6f6f6;border-radius:8px;padding:14px 20px;margin:20px 0\">\n<p><strong>\u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435<\/strong><\/p>\n<ol>\n<li><a href=\"#s1\">Servlet, GenericServlet \u0438 HttpServlet: \u0442\u0440\u0438 \u0443\u0440\u043e\u0432\u043d\u044f<\/a><\/li>\n<li><a href=\"#s2\">\u041a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440 \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u043e\u0432: \u043a\u0442\u043e \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442 \u0432\u0430\u0448 \u043a\u043e\u0434<\/a><\/li>\n<li><a href=\"#s3\">\u0416\u0438\u0437\u043d\u0435\u043d\u043d\u044b\u0439 \u0446\u0438\u043a\u043b \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u0430: init, service, destroy<\/a><\/li>\n<li><a href=\"#s4\">doGet \u0438 doPost: \u0447\u0435\u043c \u043e\u0442\u043b\u0438\u0447\u0430\u044e\u0442\u0441\u044f<\/a><\/li>\n<li><a href=\"#s5\">\u041c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u0439 \u0440\u0430\u0431\u043e\u0447\u0438\u0439 \u0441\u0435\u0440\u0432\u043b\u0435\u0442<\/a><\/li>\n<li><a href=\"#s6\">\u0422\u0438\u043f\u0438\u0447\u043d\u0430\u044f \u043e\u0448\u0438\u0431\u043a\u0430: \u0441\u0442\u0430\u0440\u044b\u0439 \u043f\u0430\u043a\u0435\u0442 javax<\/a><\/li>\n<li><a href=\"#s7\">\u0420\u0430\u0437\u0432\u0435\u0440\u0442\u044b\u0432\u0430\u043d\u0438\u0435: \u0430\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u044f \u0438\u043b\u0438 web.xml<\/a><\/li>\n<li><a href=\"#s8\">\u0421\u0435\u0440\u0432\u043b\u0435\u0442\u044b, JSP \u0438 Spring MVC: \u0447\u0442\u043e \u0433\u0434\u0435<\/a><\/li>\n<li><a href=\"#s9\">\u0412\u044b\u0432\u043e\u0434\u044b<\/a><\/li>\n<li><a href=\"#s10\">\u0413\u0434\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \/ \u0441\u0432\u044f\u0437\u044c \u0441 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u043e\u0439<\/a><\/li>\n<li><a href=\"#s11\">FAQ<\/a><\/li>\n<\/ol>\n<\/div>\n<p>\u041d\u0438\u0436\u0435 \u0440\u0430\u0437\u0431\u0435\u0440\u0435\u043c, \u0447\u0442\u043e \u043e\u043f\u0438\u0441\u044b\u0432\u0430\u0435\u0442 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">Servlet<\/code>, \u0437\u0430\u0447\u0435\u043c \u043d\u0443\u0436\u0435\u043d \u043a\u043b\u0430\u0441\u0441 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">HttpServlet<\/code>, \u043a\u0430\u043a \u0443\u0441\u0442\u0440\u043e\u0435\u043d \u0436\u0438\u0437\u043d\u0435\u043d\u043d\u044b\u0439 \u0446\u0438\u043a\u043b (init, service, destroy), \u0447\u0435\u043c \u043e\u0442\u043b\u0438\u0447\u0430\u044e\u0442\u0441\u044f \u043c\u0435\u0442\u043e\u0434\u044b <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">doGet<\/code> \u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">doPost<\/code>, \u0447\u0442\u043e \u0434\u0435\u043b\u0430\u0435\u0442 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440 \u0438 \u043a\u0430\u043a \u0440\u0430\u0437\u0432\u0435\u0440\u043d\u0443\u0442\u044c \u043f\u0435\u0440\u0432\u044b\u0439 \u0441\u0435\u0440\u0432\u043b\u0435\u0442 \u0447\u0435\u0440\u0435\u0437 \u0430\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u044e \u0438\u043b\u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">web.xml<\/code>.<\/p>\n<h2 id=\"s1\">Servlet, GenericServlet \u0438 HttpServlet: \u0442\u0440\u0438 \u0443\u0440\u043e\u0432\u043d\u044f<\/h2>\n<p>\u0427\u0442\u043e\u0431\u044b \u043d\u0435 \u043f\u0443\u0442\u0430\u0442\u044c\u0441\u044f, \u0440\u0430\u0437\u0432\u0435\u0434\u0435\u043c \u0442\u0440\u0438 \u0431\u043b\u0438\u0437\u043a\u0438\u0445 \u043f\u043e\u043d\u044f\u0442\u0438\u044f \u0441\u0440\u0430\u0437\u0443:<\/p>\n<ul>\n<li><strong><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">Servlet<\/code><\/strong> &#8212; \u0431\u0430\u0437\u043e\u0432\u044b\u0439 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 \u0438\u0437 \u043f\u0430\u043a\u0435\u0442\u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">jakarta.servlet<\/code>. \u041e\u043d \u043e\u0431\u044a\u044f\u0432\u043b\u044f\u0435\u0442 \u043c\u0435\u0442\u043e\u0434\u044b \u0436\u0438\u0437\u043d\u0435\u043d\u043d\u043e\u0433\u043e \u0446\u0438\u043a\u043b\u0430 (<code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">init<\/code>, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">service<\/code>, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">destroy<\/code>) \u0438 \u043d\u0435 \u043f\u0440\u0438\u0432\u044f\u0437\u0430\u043d \u043a \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0443.<\/li>\n<li><strong><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">GenericServlet<\/code><\/strong> &#8212; \u0430\u0431\u0441\u0442\u0440\u0430\u043a\u0442\u043d\u044b\u0439 \u043a\u043b\u0430\u0441\u0441, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u0435\u0442 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">Servlet<\/code> \u0438 \u0443\u0431\u0438\u0440\u0430\u0435\u0442 \u0440\u0443\u0442\u0438\u043d\u0443. \u041e\u043d \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b-\u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c: \u0443 \u043d\u0435\u0433\u043e \u0435\u0441\u0442\u044c \u043e\u0434\u0438\u043d \u043c\u0435\u0442\u043e\u0434 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">service(ServletRequest, ServletResponse)<\/code>.<\/li>\n<li><strong><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">HttpServlet<\/code><\/strong> &#8212; \u043d\u0430\u0441\u043b\u0435\u0434\u043d\u0438\u043a <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">GenericServlet<\/code>, \u0437\u0430\u0442\u043e\u0447\u0435\u043d\u043d\u044b\u0439 \u043f\u043e\u0434 HTTP. \u0418\u043c\u0435\u043d\u043d\u043e \u0435\u0433\u043e \u043d\u0430\u0441\u043b\u0435\u0434\u0443\u044e\u0442 \u043d\u0430 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0435: \u043e\u043d \u0440\u0430\u0437\u0431\u0438\u0440\u0430\u0435\u0442 HTTP-\u043c\u0435\u0442\u043e\u0434 \u0437\u0430\u043f\u0440\u043e\u0441\u0430 \u0438 \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">doGet<\/code>, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">doPost<\/code> \u0438 \u0434\u0440\u0443\u0433\u0438\u0435 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">doXxx<\/code>.<\/li>\n<\/ul>\n<p>\u041f\u043e\u0447\u0442\u0438 \u0432\u0441\u0435\u0433\u0434\u0430 \u0432 \u0440\u0435\u0430\u043b\u044c\u043d\u043e\u043c \u043a\u043e\u0434\u0435 \u0432\u044b \u0440\u0430\u0441\u0448\u0438\u0440\u044f\u0435\u0442\u0435 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">HttpServlet<\/code>, \u0430 \u043d\u0435 \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u0435\u0442\u0435 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">Servlet<\/code> \u043d\u0430\u043f\u0440\u044f\u043c\u0443\u044e. \u0418\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">Servlet<\/code> \u043f\u043e\u043b\u0435\u0437\u043d\u043e \u0437\u043d\u0430\u0442\u044c, \u0447\u0442\u043e\u0431\u044b \u043f\u043e\u043d\u0438\u043c\u0430\u0442\u044c, \u043e\u0442\u043a\u0443\u0434\u0430 \u0431\u0435\u0440\u0443\u0442\u0441\u044f \u043c\u0435\u0442\u043e\u0434\u044b \u0436\u0438\u0437\u043d\u0435\u043d\u043d\u043e\u0433\u043e \u0446\u0438\u043a\u043b\u0430.<\/p>\n<p>\u0412\u0430\u0436\u043d\u043e\u0435 \u0443\u0442\u043e\u0447\u043d\u0435\u043d\u0438\u0435 \u043f\u043e \u0432\u0435\u0440\u0441\u0438\u044f\u043c. \u0421 Jakarta EE 9 (2020 \u0433\u043e\u0434) \u043f\u0430\u043a\u0435\u0442\u044b \u043f\u0435\u0440\u0435\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u044b: \u0440\u0430\u043d\u044c\u0448\u0435 \u044d\u0442\u043e \u0431\u044b\u043b <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">javax.servlet.*<\/code>, \u0442\u0435\u043f\u0435\u0440\u044c <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">jakarta.servlet.*<\/code>. \u0421\u0442\u0430\u0440\u044b\u0435 \u0441\u0442\u0430\u0442\u044c\u0438 \u0438 \u043a\u043e\u0434 \u0441 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">javax.servlet<\/code> \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0442 \u0442\u043e\u043b\u044c\u043a\u043e \u043d\u0430 Tomcat 9 \u0438 \u043d\u0438\u0436\u0435. \u0414\u043b\u044f Tomcat 10 \u0438 \u043d\u043e\u0432\u0435\u0435 \u043d\u0443\u0436\u0435\u043d \u0438\u043c\u0435\u043d\u043d\u043e <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">jakarta.servlet<\/code>.<\/p>\n<h2 id=\"s2\">\u041a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440 \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u043e\u0432: \u043a\u0442\u043e \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442 \u0432\u0430\u0448 \u043a\u043e\u0434<\/h2>\n<p>\u0421\u0435\u0440\u0432\u043b\u0435\u0442 \u043d\u0435 \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u0442\u0441\u044f \u0441\u0430\u043c \u043f\u043e \u0441\u0435\u0431\u0435, \u043a\u0430\u043a \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430 \u0441 \u043c\u0435\u0442\u043e\u0434\u043e\u043c <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">main<\/code>. \u0415\u0433\u043e \u0436\u0438\u0437\u043d\u044c\u044e \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u0442 <strong>\u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440 \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u043e\u0432<\/strong> (\u043e\u043d \u0436\u0435 \u0432\u0435\u0431-\u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440) &#8212; \u0441\u0435\u0440\u0432\u0435\u0440\u043d\u0430\u044f \u0441\u0440\u0435\u0434\u0430, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 TCP-\u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f, \u0440\u0430\u0437\u0431\u0438\u0440\u0430\u0435\u0442 HTTP, \u0441\u043e\u0437\u0434\u0430\u0435\u0442 \u043e\u0431\u044a\u0435\u043a\u0442\u044b \u0437\u0430\u043f\u0440\u043e\u0441\u0430 \u0438 \u043e\u0442\u0432\u0435\u0442\u0430 \u0438 \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442 \u043d\u0443\u0436\u043d\u044b\u0435 \u043c\u0435\u0442\u043e\u0434\u044b \u0432\u0430\u0448\u0435\u0433\u043e \u043a\u043b\u0430\u0441\u0441\u0430.<\/p>\n<p>\u0421\u0430\u043c\u044b\u0439 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u044b\u0439 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440 &#8212; <strong>Apache Tomcat<\/strong>. \u0415\u0441\u0442\u044c \u0438 \u0434\u0440\u0443\u0433\u0438\u0435: Jetty, Undertow, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043f\u043e\u043b\u043d\u043e\u0446\u0435\u043d\u043d\u044b\u0435 \u0441\u0435\u0440\u0432\u0435\u0440\u044b \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 (WildFly, Open Liberty, Payara).<\/p>\n<p>\u041a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440 \u0431\u0435\u0440\u0435\u0442 \u043d\u0430 \u0441\u0435\u0431\u044f \u043f\u0443\u043b \u043f\u043e\u0442\u043e\u043a\u043e\u0432, \u0440\u0430\u0437\u0431\u043e\u0440 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430, \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0436\u0438\u0437\u043d\u0435\u043d\u043d\u044b\u043c \u0446\u0438\u043a\u043b\u043e\u043c \u0438 \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0446\u0438\u044e \u043f\u043e URL, \u0430 \u0432\u0430\u0448\u0430 \u0437\u0430\u0434\u0430\u0447\u0430 &#8212; \u043e\u043f\u0438\u0441\u0430\u0442\u044c \u0440\u0435\u0430\u043a\u0446\u0438\u044e \u043d\u0430 \u0437\u0430\u043f\u0440\u043e\u0441. \u041e\u0434\u0438\u043d \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440 \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u0430 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u0435\u0442 \u043c\u043d\u043e\u0433\u043e \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u043e, \u043a\u0430\u0436\u0434\u044b\u0439 \u0432 \u0441\u0432\u043e\u0435\u043c \u043f\u043e\u0442\u043e\u043a\u0435. \u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u043f\u043e\u043b\u044f \u043a\u043b\u0430\u0441\u0441\u0430 \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u0430 &#8212; \u043e\u0431\u0449\u0435\u0435 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0434\u043b\u044f \u0432\u0441\u0435\u0445 \u043f\u043e\u0442\u043e\u043a\u043e\u0432: \u0445\u0440\u0430\u043d\u0438\u0442\u044c \u0432 \u043d\u0438\u0445 \u0434\u0430\u043d\u043d\u044b\u0435 \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u043e\u0433\u043e \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u043d\u0435\u043b\u044c\u0437\u044f, \u044d\u0442\u043e \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a \u0433\u043e\u043d\u043e\u043a. \u041f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0435 \u0434\u0435\u0440\u0436\u0430\u0442 \u0432 \u0437\u0430\u043f\u0440\u043e\u0441\u0435, \u043e\u0442\u0432\u0435\u0442\u0435 \u0438\u043b\u0438 \u0441\u0435\u0441\u0441\u0438\u0438.<\/p>\n<h2 id=\"s3\">\u0416\u0438\u0437\u043d\u0435\u043d\u043d\u044b\u0439 \u0446\u0438\u043a\u043b \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u0430: init, service, destroy<\/h2>\n<p>\u0416\u0438\u0437\u043d\u0435\u043d\u043d\u044b\u0439 \u0446\u0438\u043a\u043b \u043e\u043f\u0438\u0441\u0430\u043d \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u043c <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">Servlet<\/code> \u0438 \u0441\u043e\u0441\u0442\u043e\u0438\u0442 \u0438\u0437 \u0442\u0440\u0435\u0445 \u043c\u0435\u0442\u043e\u0434\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u041c\u0435\u0442\u043e\u0434<\/th>\n<th>\u041a\u043e\u0433\u0434\u0430 \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f<\/th>\n<th>\u0421\u043a\u043e\u043b\u044c\u043a\u043e \u0440\u0430\u0437<\/th>\n<th>\u0417\u0430\u0447\u0435\u043c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">init()<\/code><\/td>\n<td>\u041f\u0440\u0438 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0438 \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440\u0430 \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u0430<\/td>\n<td>\u041e\u0434\u0438\u043d \u0440\u0430\u0437<\/td>\n<td>\u0418\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432 (\u043f\u0443\u043b \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0439, \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044f)<\/td>\n<\/tr>\n<tr>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">service()<\/code><\/td>\n<td>\u041d\u0430 \u043a\u0430\u0436\u0434\u044b\u0439 \u0432\u0445\u043e\u0434\u044f\u0449\u0438\u0439 \u0437\u0430\u043f\u0440\u043e\u0441<\/td>\n<td>\u041c\u043d\u043e\u0433\u043e \u0440\u0430\u0437, \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u043e<\/td>\n<td>\u0414\u0438\u0441\u043f\u0435\u0442\u0447\u0435\u0440\u0438\u0437\u0430\u0446\u0438\u044f \u0437\u0430\u043f\u0440\u043e\u0441\u0430 \u043f\u043e HTTP-\u043c\u0435\u0442\u043e\u0434\u0443<\/td>\n<\/tr>\n<tr>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">destroy()<\/code><\/td>\n<td>\u041f\u0435\u0440\u0435\u0434 \u0432\u044b\u0433\u0440\u0443\u0437\u043a\u043e\u0439 \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u0430<\/td>\n<td>\u041e\u0434\u0438\u043d \u0440\u0430\u0437<\/td>\n<td>\u041e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u0435 \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u041a\u0430\u043a \u044d\u0442\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u043f\u043e \u0448\u0430\u0433\u0430\u043c:<\/p>\n<ol>\n<li>\u041a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440 \u0437\u0430\u0433\u0440\u0443\u0436\u0430\u0435\u0442 \u043a\u043b\u0430\u0441\u0441. \u041f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e &#8212; \u043f\u0440\u0438 \u043f\u0435\u0440\u0432\u043e\u043c \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0438 (\u043b\u0435\u043d\u0438\u0432\u0430\u044f \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0430), \u043d\u043e \u043c\u043e\u0436\u043d\u043e \u043f\u043e\u043f\u0440\u043e\u0441\u0438\u0442\u044c \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0443 \u043f\u0440\u0438 \u0441\u0442\u0430\u0440\u0442\u0435 \u0447\u0435\u0440\u0435\u0437 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">loadOnStartup<\/code>.<\/li>\n<li>\u041a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440 \u0441\u043e\u0437\u0434\u0430\u0435\u0442 \u0435\u0434\u0438\u043d\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0439 \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440 \u0438 \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">init()<\/code>. \u0422\u0443\u0442 \u0443\u0434\u043e\u0431\u043d\u043e \u043e\u0434\u0438\u043d \u0440\u0430\u0437 \u043e\u0442\u043a\u0440\u044b\u0442\u044c, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043f\u0443\u043b \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0439 \u0441 \u0431\u0430\u0437\u043e\u0439.<\/li>\n<li>\u041d\u0430 \u043a\u0430\u0436\u0434\u044b\u0439 \u0437\u0430\u043f\u0440\u043e\u0441 \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">service()<\/code>. \u0412 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">HttpServlet<\/code> \u043e\u043d \u0443\u0436\u0435 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d: \u0441\u043c\u043e\u0442\u0440\u0438\u0442 HTTP-\u043c\u0435\u0442\u043e\u0434 \u0438 \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">doGet<\/code>, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">doPost<\/code> \u0438 \u0442\u0430\u043a \u0434\u0430\u043b\u0435\u0435. \u0421\u0432\u043e\u044e \u043b\u043e\u0433\u0438\u043a\u0443 \u0432\u044b \u043f\u0438\u0448\u0435\u0442\u0435 \u0432 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">doXxx<\/code>, \u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">service<\/code> \u043e\u0431\u044b\u0447\u043d\u043e \u043d\u0435 \u0442\u0440\u043e\u0433\u0430\u0435\u0442\u0435.<\/li>\n<li>\u041f\u0440\u0438 \u043e\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440 \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">destroy()<\/code>, \u0433\u0434\u0435 \u043d\u0443\u0436\u043d\u043e \u0437\u0430\u043a\u0440\u044b\u0442\u044c \u0440\u0435\u0441\u0443\u0440\u0441\u044b.<\/li>\n<\/ol>\n<p>\u041c\u0435\u0442\u043e\u0434\u044b <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">init()<\/code> \u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">destroy()<\/code> \u0432\u044b\u0437\u044b\u0432\u0430\u044e\u0442\u0441\u044f \u0440\u043e\u0432\u043d\u043e \u043f\u043e \u043e\u0434\u043d\u043e\u043c\u0443 \u0440\u0430\u0437\u0443 \u0437\u0430 \u0436\u0438\u0437\u043d\u044c \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440\u0430, \u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">service()<\/code> &#8212; \u043d\u0430 \u043a\u0430\u0436\u0434\u044b\u0439 \u0437\u0430\u043f\u0440\u043e\u0441. \u0423\u0442\u043e\u0447\u043d\u0435\u043d\u0438\u0435 \u043f\u0440\u043e \u0441\u0431\u043e\u0440\u043a\u0443 \u043c\u0443\u0441\u043e\u0440\u0430: \u0441\u0430\u043c \u0441\u0435\u0440\u0432\u043b\u0435\u0442 \u043d\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0441\u0431\u043e\u0440\u0449\u0438\u043a\u043e\u043c \u043c\u0443\u0441\u043e\u0440\u0430 JVM (\u044d\u0442\u043e \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u0430\u044f \u043e\u0448\u0438\u0431\u043a\u0430 \u0441\u0442\u0430\u0440\u044b\u0445 \u0441\u0442\u0430\u0442\u0435\u0439); \u043f\u043e\u0441\u043b\u0435 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">destroy()<\/code> \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440 \u043f\u0440\u043e\u0441\u0442\u043e \u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u0441\u044f \u043d\u0435\u0434\u043e\u0441\u0442\u0438\u0436\u0438\u043c\u044b\u043c, \u0438 \u0435\u0433\u043e \u0443\u0431\u0438\u0440\u0430\u0435\u0442 \u043e\u0431\u044b\u0447\u043d\u044b\u0439 GC.<\/p>\n<h2 id=\"s4\">doGet \u0438 doPost: \u0447\u0435\u043c \u043e\u0442\u043b\u0438\u0447\u0430\u044e\u0442\u0441\u044f<\/h2>\n<p><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">HttpServlet<\/code> \u0440\u0430\u0437\u0431\u0438\u0440\u0430\u0435\u0442 HTTP-\u043c\u0435\u0442\u043e\u0434 \u0437\u0430\u043f\u0440\u043e\u0441\u0430 \u0438 \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a. \u0427\u0430\u0449\u0435 \u0432\u0441\u0435\u0433\u043e \u043f\u0435\u0440\u0435\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u044e\u0442 \u0434\u0432\u0430.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u041c\u0435\u0442\u043e\u0434 HTTP<\/th>\n<th>\u041c\u0435\u0442\u043e\u0434 \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u0430<\/th>\n<th>\u0422\u0438\u043f\u0438\u0447\u043d\u043e\u0435 \u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435<\/th>\n<th>\u0413\u0434\u0435 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>GET<\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">doGet<\/code><\/td>\n<td>\u041f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0445, \u043f\u0435\u0440\u0435\u0445\u043e\u0434 \u043f\u043e \u0441\u0441\u044b\u043b\u043a\u0435<\/td>\n<td>\u0412 \u0441\u0442\u0440\u043e\u043a\u0435 URL (query string)<\/td>\n<\/tr>\n<tr>\n<td>POST<\/td>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">doPost<\/code><\/td>\n<td>\u041e\u0442\u043f\u0440\u0430\u0432\u043a\u0430 \u0444\u043e\u0440\u043c\u044b, \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0445<\/td>\n<td>\u0412 \u0442\u0435\u043b\u0435 \u0437\u0430\u043f\u0440\u043e\u0441\u0430<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u041f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0435 \u043f\u0440\u0430\u0432\u0438\u043b\u043e \u0432\u044b\u0431\u043e\u0440\u0430: GET &#8212; \u0434\u043b\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u0447\u0442\u0435\u043d\u0438\u044f, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e \u043f\u043e\u0432\u0442\u043e\u0440\u044f\u0442\u044c \u0438 \u043a\u044d\u0448\u0438\u0440\u043e\u0432\u0430\u0442\u044c; POST &#8212; \u043a\u043e\u0433\u0434\u0430 \u0437\u0430\u043f\u0440\u043e\u0441 \u043c\u0435\u043d\u044f\u0435\u0442 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0438\u043b\u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u0435\u0442 \u0447\u0443\u0432\u0441\u0442\u0432\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435 (\u043f\u0430\u0440\u043e\u043b\u044c \u0432 URL \u0441\u0432\u0435\u0442\u0438\u0442\u0441\u044f \u0432 \u043b\u043e\u0433\u0430\u0445 \u0438 \u0438\u0441\u0442\u043e\u0440\u0438\u0438 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430). \u0415\u0441\u0442\u044c \u0438 \u0434\u0440\u0443\u0433\u0438\u0435 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438: <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">doPut<\/code>, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">doDelete<\/code>, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">doHead<\/code> &#8212; \u043f\u043e\u0434 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 HTTP-\u043c\u0435\u0442\u043e\u0434\u044b REST-\u0441\u0442\u0438\u043b\u044f.<\/p>\n<p>\u041f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b \u0437\u0430\u043f\u0440\u043e\u0441\u0430 \u0432 \u043e\u0431\u043e\u0438\u0445 \u0441\u043b\u0443\u0447\u0430\u044f\u0445 \u0447\u0438\u0442\u0430\u044e\u0442\u0441\u044f \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u043e &#8212; \u0447\u0435\u0440\u0435\u0437 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">request.getParameter(\"\u0438\u043c\u044f\")<\/code>, \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440 \u0441\u0430\u043c \u0434\u043e\u0441\u0442\u0430\u0435\u0442 \u0438\u0445 \u0438\u0437 URL \u0438\u043b\u0438 \u0438\u0437 \u0442\u0435\u043b\u0430 \u0444\u043e\u0440\u043c\u044b.<\/p>\n<h2 id=\"s5\">\u041c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u0439 \u0440\u0430\u0431\u043e\u0447\u0438\u0439 \u0441\u0435\u0440\u0432\u043b\u0435\u0442<\/h2>\n<p>\u041d\u0430\u0447\u043d\u0435\u043c \u0441 \u043f\u043e\u043b\u043d\u043e\u0433\u043e \u043f\u0440\u0438\u043c\u0435\u0440\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u043e\u0436\u043d\u043e \u0441\u043e\u0431\u0440\u0430\u0442\u044c \u0438 \u0437\u0430\u043f\u0443\u0441\u0442\u0438\u0442\u044c. \u042d\u0442\u043e \u0441\u0435\u0440\u0432\u043b\u0435\u0442, \u043e\u0442\u0432\u0435\u0447\u0430\u044e\u0449\u0438\u0439 \u043d\u0430 GET-\u0437\u0430\u043f\u0440\u043e\u0441 \u043f\u043e \u0430\u0434\u0440\u0435\u0441\u0443 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">\/hello<\/code>.<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #C678DD\">package<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">com.example<\/span><span style=\"color: #ABB2BF\">;<\/span>\n\n<span style=\"color: #C678DD\">import<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">java.io.IOException<\/span><span style=\"color: #ABB2BF\">;<\/span>\n<span style=\"color: #C678DD\">import<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">java.io.PrintWriter<\/span><span style=\"color: #ABB2BF\">;<\/span>\n\n<span style=\"color: #C678DD\">import<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">jakarta.servlet.annotation.WebServlet<\/span><span style=\"color: #ABB2BF\">;<\/span>\n<span style=\"color: #C678DD\">import<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">jakarta.servlet.http.HttpServlet<\/span><span style=\"color: #ABB2BF\">;<\/span>\n<span style=\"color: #C678DD\">import<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">jakarta.servlet.http.HttpServletRequest<\/span><span style=\"color: #ABB2BF\">;<\/span>\n<span style=\"color: #C678DD\">import<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">jakarta.servlet.http.HttpServletResponse<\/span><span style=\"color: #ABB2BF\">;<\/span>\n\n<span style=\"color: #61AFEF\">@WebServlet<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"\/hello\"<\/span><span style=\"color: #ABB2BF\">)<\/span>\n<span style=\"color: #C678DD\">public<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">class<\/span> <span style=\"color: #E5C07B\">HelloServlet<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">extends<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">HttpServlet<\/span><span style=\"color: #ABB2BF\"> {<\/span>\n\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #61AFEF\">@Override<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #C678DD\">protected<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E5C07B\">void<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #61AFEF; font-weight: bold\">doGet<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #E06C75\">HttpServletRequest<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">request<\/span><span style=\"color: #ABB2BF\">,<\/span>\n<span style=\"color: #ABB2BF\">                         <\/span><span style=\"color: #E06C75\">HttpServletResponse<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">response<\/span><span style=\"color: #ABB2BF\">) <\/span><span style=\"color: #C678DD\">throws<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">IOException<\/span><span style=\"color: #ABB2BF\"> {<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #E06C75\">response<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">setContentType<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"text\/html; charset=UTF-8\"<\/span><span style=\"color: #ABB2BF\">);<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #E06C75\">PrintWriter<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">out<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">response<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">getWriter<\/span><span style=\"color: #ABB2BF\">();<\/span>\n\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #E06C75\">String<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">name<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">request<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">getParameter<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"name\"<\/span><span style=\"color: #ABB2BF\">);<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #C678DD\">if<\/span><span style=\"color: #ABB2BF\"> (<\/span><span style=\"color: #E06C75\">name<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">==<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E5C07B\">null<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">||<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">name<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">isBlank<\/span><span style=\"color: #ABB2BF\">()) {<\/span>\n<span style=\"color: #ABB2BF\">            <\/span><span style=\"color: #E06C75\">name<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #98C379\">\"\u0433\u043e\u0441\u0442\u044c\"<\/span><span style=\"color: #ABB2BF\">;<\/span>\n<span style=\"color: #ABB2BF\">        }<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #E06C75\">out<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">println<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">\"&lt;h1&gt;\u041f\u0440\u0438\u0432\u0435\u0442, \"<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">+<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">name<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">+<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #98C379\">\"!&lt;\/h1&gt;\"<\/span><span style=\"color: #ABB2BF\">);<\/span>\n<span style=\"color: #ABB2BF\">    }<\/span>\n<span style=\"color: #ABB2BF\">}<\/span><\/code><\/pre>\n<p>\u0427\u0442\u043e \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u043f\u043e\u0441\u043b\u0435 \u0440\u0430\u0437\u0432\u0435\u0440\u0442\u044b\u0432\u0430\u043d\u0438\u044f. \u041e\u0442\u043a\u0440\u044b\u0432 \u0432 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0435 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">http:\/\/localhost:8080\/app\/hello<\/code>, \u0432\u044b \u0443\u0432\u0438\u0434\u0438\u0442\u0435 \u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043e\u043a \u00ab\u041f\u0440\u0438\u0432\u0435\u0442, \u0433\u043e\u0441\u0442\u044c!\u00bb. \u0415\u0441\u043b\u0438 \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440 &#8212; <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">http:\/\/localhost:8080\/app\/hello?name=\u0418\u0432\u0430\u043d<\/code> &#8212; \u043e\u0442\u0432\u0435\u0442 \u0441\u0442\u0430\u043d\u0435\u0442 \u00ab\u041f\u0440\u0438\u0432\u0435\u0442, \u0418\u0432\u0430\u043d!\u00bb. \u0427\u0430\u0441\u0442\u044c <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">app<\/code> \u0432 \u043f\u0443\u0442\u0438 &#8212; \u044d\u0442\u043e \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f (\u0438\u043c\u044f \u0440\u0430\u0437\u0432\u0435\u0440\u043d\u0443\u0442\u043e\u0433\u043e war-\u043c\u043e\u0434\u0443\u043b\u044f), <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">hello<\/code> &#8212; \u043f\u0443\u0442\u044c \u0438\u0437 \u0430\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">@WebServlet<\/code>.<\/p>\n<p>\u0420\u0430\u0437\u0431\u0435\u0440\u0435\u043c \u043a\u043b\u044e\u0447\u0435\u0432\u044b\u0435 \u0441\u0442\u0440\u043e\u043a\u0438:<\/p>\n<ul>\n<li><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">@WebServlet(\"\/hello\")<\/code> \u043f\u0440\u0438\u0432\u044f\u0437\u044b\u0432\u0430\u0435\u0442 \u0441\u0435\u0440\u0432\u043b\u0435\u0442 \u043a URL \u0431\u0435\u0437 \u0444\u0430\u0439\u043b\u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">web.xml<\/code>.<\/li>\n<li><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">extends HttpServlet<\/code> \u0434\u0430\u0435\u0442 \u0433\u043e\u0442\u043e\u0432\u0443\u044e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">service()<\/code>, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043d\u0430\u043f\u0440\u0430\u0432\u0438\u0442 GET \u0432 \u043d\u0430\u0448 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">doGet<\/code>.<\/li>\n<li><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">response.setContentType(\"text\/html; charset=UTF-8\")<\/code> \u0432\u044b\u0437\u044b\u0432\u0430\u044e\u0442 \u0434\u043e \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">PrintWriter<\/code>, \u0438\u043d\u0430\u0447\u0435 \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u043a\u0430 \u043e\u0442\u0432\u0435\u0442\u0430 \u043c\u043e\u0436\u0435\u0442 \u043d\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u0438\u0442\u044c\u0441\u044f.<\/li>\n<li><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">request.getParameter(\"name\")<\/code> \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0438\u043b\u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">null<\/code>, \u0435\u0441\u043b\u0438 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0430 \u043d\u0435\u0442; \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u043d\u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">null<\/code> \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u0430.<\/li>\n<\/ul>\n<p>\u0417\u0430\u043c\u0435\u0447\u0430\u043d\u0438\u0435 \u043f\u043e \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438: \u043f\u0440\u0438\u043c\u0435\u0440 \u043f\u043e\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0439 \u0432\u0432\u043e\u0434 \u0432 HTML \u043d\u0430\u043f\u0440\u044f\u043c\u0443\u044e, \u0447\u0442\u043e \u043e\u0442\u043a\u0440\u044b\u0432\u0430\u0435\u0442 XSS. \u0412 \u0440\u0435\u0430\u043b\u044c\u043d\u043e\u043c \u043a\u043e\u0434\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043d\u0443\u0436\u043d\u043e \u044d\u043a\u0440\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u0442\u044c (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u043e\u0439 OWASP Java Encoder \u0438\u043b\u0438 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430\u043c\u0438 \u0448\u0430\u0431\u043b\u043e\u043d\u0438\u0437\u0430\u0442\u043e\u0440\u0430), \u0430 \u043d\u0435 \u043e\u0442\u0434\u0430\u0432\u0430\u0442\u044c \u0432 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0443 \u043a\u0430\u043a \u0435\u0441\u0442\u044c.<\/p>\n<h2 id=\"s6\">\u0422\u0438\u043f\u0438\u0447\u043d\u0430\u044f \u043e\u0448\u0438\u0431\u043a\u0430: \u0441\u0442\u0430\u0440\u044b\u0439 \u043f\u0430\u043a\u0435\u0442 javax<\/h2>\n<p>\u0420\u0430\u0437\u0431\u0435\u0440\u0435\u043c \u0447\u0430\u0441\u0442\u044b\u0439 \u0441\u0431\u043e\u0439 \u043f\u0440\u0438 \u043f\u0435\u0440\u0435\u0435\u0437\u0434\u0435 \u043d\u0430 \u043d\u043e\u0432\u044b\u0439 Tomcat. \u0412\u043e\u0437\u044c\u043c\u0435\u043c \u0438\u043c\u043f\u043e\u0440\u0442 \u0438\u0437 \u0441\u0442\u0430\u0440\u043e\u0433\u043e \u0442\u0443\u0442\u043e\u0440\u0438\u0430\u043b\u0430:<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #C678DD\">import<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">javax.servlet.http.HttpServlet<\/span><span style=\"color: #ABB2BF\">;<\/span><\/code><\/pre>\n<p>\u0424\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u043d\u0430 Tomcat 10 \u0438\u043b\u0438 11: \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u043d\u0435 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442, \u0432 \u043b\u043e\u0433\u0430\u0445 \u0432\u0438\u0434\u043d\u043e <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">ClassNotFoundException<\/code> \u0438\u043b\u0438 \u0441\u0435\u0440\u0432\u043b\u0435\u0442 \u043f\u0440\u043e\u0441\u0442\u043e \u043d\u0435 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f (\u043e\u0442\u0432\u0435\u0442 404), \u043f\u043e\u0442\u043e\u043c\u0443 \u0447\u0442\u043e \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440 \u043d\u0435 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442 \u043f\u0430\u043a\u0435\u0442\u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">javax.servlet<\/code> &#8212; \u043e\u043d \u0435\u0433\u043e \u043f\u0435\u0440\u0435\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043b.<\/p>\n<p>\u0418\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 &#8212; \u0437\u0430\u043c\u0435\u043d\u0438\u0442\u044c \u043f\u0430\u043a\u0435\u0442 \u043d\u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">jakarta<\/code>:<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #C678DD\">import<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">jakarta.servlet.http.HttpServlet<\/span><span style=\"color: #ABB2BF\">;<\/span><\/code><\/pre>\n<p>\u0415\u0441\u043b\u0438 \u043f\u0435\u0440\u0435\u0435\u0445\u0430\u0442\u044c \u0441\u0440\u0430\u0437\u0443 \u043d\u0435\u043b\u044c\u0437\u044f, \u043e\u0441\u0442\u0430\u0432\u0430\u0439\u0442\u0435\u0441\u044c \u043d\u0430 Tomcat 9 (\u0442\u0430\u043c \u0435\u0449\u0435 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">javax.servlet<\/code>) \u043b\u0438\u0431\u043e \u043f\u0440\u043e\u0433\u043e\u043d\u0438\u0442\u0435 \u043a\u043e\u0434 \u0447\u0435\u0440\u0435\u0437 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442 \u043c\u0438\u0433\u0440\u0430\u0446\u0438\u0438 Eclipse Transformer, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u0435\u0440\u0435\u043f\u0438\u0441\u044b\u0432\u0430\u0435\u0442 \u0438\u043c\u043f\u043e\u0440\u0442\u044b. \u0421\u043c\u0435\u0448\u0438\u0432\u0430\u0442\u044c <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">javax<\/code> \u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">jakarta<\/code> \u0432 \u043e\u0434\u043d\u043e\u043c \u043c\u043e\u0434\u0443\u043b\u0435 \u043d\u0435\u043b\u044c\u0437\u044f.<\/p>\n<h2 id=\"s7\">\u0420\u0430\u0437\u0432\u0435\u0440\u0442\u044b\u0432\u0430\u043d\u0438\u0435: \u0430\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u044f \u0438\u043b\u0438 web.xml<\/h2>\n<p>\u0421\u0432\u044f\u0437\u0430\u0442\u044c \u0441\u0435\u0440\u0432\u043b\u0435\u0442 \u0441 URL \u043c\u043e\u0436\u043d\u043e \u0434\u0432\u0443\u043c\u044f \u0441\u043f\u043e\u0441\u043e\u0431\u0430\u043c\u0438. \u041e\u0431\u0430 \u0440\u0430\u0431\u043e\u0447\u0438\u0435, \u0432\u044b\u0431\u043e\u0440 \u0437\u0430\u0432\u0438\u0441\u0438\u0442 \u043e\u0442 \u0442\u043e\u0433\u043e, \u0433\u0434\u0435 \u0443\u0434\u043e\u0431\u043d\u0435\u0435 \u0434\u0435\u0440\u0436\u0430\u0442\u044c \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044e.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0421\u043f\u043e\u0441\u043e\u0431<\/th>\n<th>\u0413\u0434\u0435 \u043e\u043f\u0438\u0441\u0430\u043d\u043e<\/th>\n<th>\u041f\u043b\u044e\u0441<\/th>\n<th>\u041a\u043e\u0433\u0434\u0430 \u0432\u044b\u0431\u0440\u0430\u0442\u044c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0410\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u044f <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">@WebServlet<\/code><\/td>\n<td>\u0412 \u043a\u043e\u0434\u0435 \u043a\u043b\u0430\u0441\u0441\u0430<\/td>\n<td>\u041c\u0435\u043d\u044c\u0448\u0435 \u0444\u0430\u0439\u043b\u043e\u0432, \u0432\u0441\u0435 \u0440\u044f\u0434\u043e\u043c<\/td>\n<td>\u041d\u043e\u0432\u044b\u0439 \u043a\u043e\u0434, \u043f\u0440\u043e\u0441\u0442\u044b\u0435 \u043f\u0440\u0430\u0432\u0438\u043b\u0430 \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0446\u0438\u0438<\/td>\n<\/tr>\n<tr>\n<td>\u0414\u0435\u0441\u043a\u0440\u0438\u043f\u0442\u043e\u0440 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">web.xml<\/code><\/td>\n<td>\u0412 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">WEB-INF\/web.xml<\/code><\/td>\n<td>\u041a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044f \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e \u043e\u0442 \u043a\u043e\u0434\u0430, \u043c\u043e\u0436\u043d\u043e \u043c\u0435\u043d\u044f\u0442\u044c \u0431\u0435\u0437 \u043f\u0435\u0440\u0435\u0441\u0431\u043e\u0440\u043a\u0438 \u043a\u043b\u0430\u0441\u0441\u0430<\/td>\n<td>\u0412\u043d\u0435\u0448\u043d\u044f\u044f \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430, \u043f\u0435\u0440\u0435\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435, \u043e\u0431\u0449\u0438\u0439 \u043e\u0431\u0437\u043e\u0440 \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u043e\u0432<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0422\u043e\u0442 \u0436\u0435 \u0441\u0435\u0440\u0432\u043b\u0435\u0442 \u0431\u0435\u0437 \u0430\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u0438 \u043e\u043f\u0438\u0441\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0432 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">web.xml<\/code> \u0442\u0430\u043a:<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #E06C75\">&lt;web-app<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">xmlns=<\/span><span style=\"color: #98C379\">\"https:\/\/jakarta.ee\/xml\/ns\/jakartaee\"<\/span>\n<span style=\"color: #ABB2BF\">         <\/span><span style=\"color: #E06C75\">version=<\/span><span style=\"color: #98C379\">\"6.0\"<\/span><span style=\"color: #E06C75\">&gt;<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #E06C75\">&lt;servlet&gt;<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #E06C75\">&lt;servlet-name&gt;<\/span>hello<span style=\"color: #E06C75\">&lt;\/servlet-name&gt;<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #E06C75\">&lt;servlet-class&gt;<\/span>com.example.HelloServlet<span style=\"color: #E06C75\">&lt;\/servlet-class&gt;<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #E06C75\">&lt;\/servlet&gt;<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #E06C75\">&lt;servlet-mapping&gt;<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #E06C75\">&lt;servlet-name&gt;<\/span>hello<span style=\"color: #E06C75\">&lt;\/servlet-name&gt;<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #E06C75\">&lt;url-pattern&gt;<\/span>\/hello<span style=\"color: #E06C75\">&lt;\/url-pattern&gt;<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #E06C75\">&lt;\/servlet-mapping&gt;<\/span>\n<span style=\"color: #E06C75\">&lt;\/web-app&gt;<\/span><\/code><\/pre>\n<p>\u0417\u0434\u0435\u0441\u044c <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">servlet-name<\/code> \u0441\u0432\u044f\u0437\u044b\u0432\u0430\u0435\u0442 \u043e\u0431\u044a\u044f\u0432\u043b\u0435\u043d\u0438\u0435 \u043a\u043b\u0430\u0441\u0441\u0430 \u0438 \u043f\u0440\u0430\u0432\u0438\u043b\u043e URL: \u0442\u0435\u0433 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">servlet<\/code> \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0438\u0440\u0443\u0435\u0442 \u043a\u043b\u0430\u0441\u0441 \u043f\u043e\u0434 \u0438\u043c\u0435\u043d\u0435\u043c, \u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">servlet-mapping<\/code> \u043f\u0440\u0438\u0432\u044f\u0437\u044b\u0432\u0430\u0435\u0442 \u044d\u0442\u043e \u0438\u043c\u044f \u043a \u043f\u0443\u0442\u0438. \u0424\u0430\u0439\u043b <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">web.xml<\/code> \u043b\u0435\u0436\u0438\u0442 \u0432 \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0435 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">WEB-INF<\/code> \u0432\u043d\u0443\u0442\u0440\u0438 war-\u0430\u0440\u0445\u0438\u0432\u0430. \u0415\u0441\u043b\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0435 \u0430\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u044e, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">web.xml<\/code> \u043c\u043e\u0436\u043d\u043e \u0432\u043e\u0432\u0441\u0435 \u043d\u0435 \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c.<\/p>\n<h2 id=\"s8\">\u0421\u0435\u0440\u0432\u043b\u0435\u0442\u044b, JSP \u0438 Spring MVC: \u0447\u0442\u043e \u0433\u0434\u0435<\/h2>\n<p>\u0421\u0435\u0440\u0432\u043b\u0435\u0442\u044b \u0440\u0435\u0434\u043a\u043e \u043f\u0438\u0448\u0443\u0442 \u0434\u043b\u044f \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438 HTML \u0432\u0440\u0443\u0447\u043d\u0443\u044e &#8212; \u043d\u0430 \u0433\u043e\u043b\u043e\u043c <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">PrintWriter<\/code> \u0432\u0435\u0440\u0441\u0442\u0430\u0442\u044c \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0443 \u043d\u0435\u0443\u0434\u043e\u0431\u043d\u043e. \u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u0432\u043e\u043a\u0440\u0443\u0433 \u043d\u0438\u0445 \u0432\u044b\u0440\u043e\u0441\u043b\u0438 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0438.<\/p>\n<ul>\n<li><strong>JSP (Jakarta Server Pages)<\/strong> &#8212; \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u044b \u0441 HTML \u0438 \u0432\u0441\u0442\u0430\u0432\u043a\u0430\u043c\u0438 Java-\u043a\u043e\u0434\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440 \u0441\u0430\u043c \u043a\u043e\u043c\u043f\u0438\u043b\u0438\u0440\u0443\u0435\u0442 \u0432 \u0441\u0435\u0440\u0432\u043b\u0435\u0442. JSP \u0443\u0434\u043e\u0431\u043d\u0435\u0435 \u0434\u043b\u044f \u0440\u0430\u0437\u043c\u0435\u0442\u043a\u0438, \u043d\u043e \u0441\u0435\u0433\u043e\u0434\u043d\u044f \u0432 \u043d\u043e\u0432\u044b\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u0430\u0445 \u0435\u0433\u043e \u0431\u0435\u0440\u0443\u0442 \u0440\u0435\u0434\u043a\u043e, \u043f\u0440\u0435\u0434\u043f\u043e\u0447\u0438\u0442\u0430\u044f \u0448\u0430\u0431\u043b\u043e\u043d\u0438\u0437\u0430\u0442\u043e\u0440\u044b \u0432\u0440\u043e\u0434\u0435 Thymeleaf.<\/li>\n<li><strong>Spring MVC<\/strong> &#8212; \u0432\u0435\u0431-\u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u043f\u043e\u0432\u0435\u0440\u0445 \u043c\u043e\u0434\u0435\u043b\u0438 \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u043e\u0432. \u0412\u043d\u0443\u0442\u0440\u0438 \u0443 \u043d\u0435\u0433\u043e \u043e\u0434\u0438\u043d \u0446\u0435\u043d\u0442\u0440\u0430\u043b\u044c\u043d\u044b\u0439 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">DispatcherServlet<\/code>, \u0430 \u0432\u044b \u043f\u0438\u0448\u0435\u0442\u0435 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u044b \u0441 \u0430\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u044f\u043c\u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">@GetMapping<\/code> \u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">@PostMapping<\/code> \u0432\u043c\u0435\u0441\u0442\u043e \u0440\u0443\u0447\u043d\u044b\u0445 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">doGet<\/code> \u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">doPost<\/code>. \u0414\u0438\u0441\u043f\u0435\u0442\u0447\u0435\u0440\u0438\u0437\u0430\u0446\u0438\u044e, \u0440\u0430\u0437\u0431\u043e\u0440 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u0432, \u0441\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e JSON \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a \u0431\u0435\u0440\u0435\u0442 \u043d\u0430 \u0441\u0435\u0431\u044f.<\/li>\n<\/ul>\n<p>\u041f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0432\u044b\u0432\u043e\u0434: \u043f\u043e\u043d\u0438\u043c\u0430\u0442\u044c \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u044b \u043d\u0443\u0436\u043d\u043e \u0434\u0430\u0436\u0435 \u0442\u0435\u043c, \u043a\u0442\u043e \u043f\u0438\u0448\u0435\u0442 \u043d\u0430 Spring, \u043f\u043e\u0442\u043e\u043c\u0443 \u0447\u0442\u043e \u0432\u0435\u0441\u044c \u0441\u0442\u0435\u043a \u0441\u0442\u043e\u0438\u0442 \u043d\u0430 \u043d\u0438\u0445. \u041d\u043e \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432\u044b\u0439 \u043a\u043e\u0434 \u0432 2026 \u0433\u043e\u0434\u0443 \u0447\u0430\u0449\u0435 \u043f\u0438\u0448\u0443\u0442 \u043d\u0430 Spring MVC \u0438\u043b\u0438 Spring WebFlux, \u0430 \u0447\u0438\u0441\u0442\u044b\u0435 \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u044b \u043e\u0441\u0442\u0430\u044e\u0442\u0441\u044f \u0444\u0443\u043d\u0434\u0430\u043c\u0435\u043d\u0442\u043e\u043c \u0438 \u0442\u0435\u043c\u043e\u0439 \u0434\u043b\u044f \u0441\u043e\u0431\u0435\u0441\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u0439.<\/p>\n<h2 id=\"s9\">\u0412\u044b\u0432\u043e\u0434\u044b<\/h2>\n<ul>\n<li>\u0421\u0435\u0440\u0432\u043b\u0435\u0442 &#8212; \u044d\u0442\u043e Java-\u043a\u043b\u0430\u0441\u0441 \u0434\u043b\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 HTTP-\u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435; \u043d\u0430 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0435 \u043d\u0430\u0441\u043b\u0435\u0434\u0443\u044e\u0442 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">HttpServlet<\/code>, \u0430 \u043d\u0435 \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u044e\u0442 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">Servlet<\/code> \u043d\u0430\u043f\u0440\u044f\u043c\u0443\u044e.<\/li>\n<li>\u0416\u0438\u0437\u043d\u0435\u043d\u043d\u044b\u043c \u0446\u0438\u043a\u043b\u043e\u043c (<code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">init<\/code>, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">service<\/code>, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">destroy<\/code>) \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u0442 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440 \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u043e\u0432, \u0447\u0430\u0449\u0435 \u0432\u0441\u0435\u0433\u043e Apache Tomcat; <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">init<\/code> \u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">destroy<\/code> \u0432\u044b\u0437\u044b\u0432\u0430\u044e\u0442\u0441\u044f \u043f\u043e \u0440\u0430\u0437\u0443, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">service<\/code> &#8212; \u043d\u0430 \u043a\u0430\u0436\u0434\u044b\u0439 \u0437\u0430\u043f\u0440\u043e\u0441.<\/li>\n<li><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">doGet<\/code> \u043e\u0431\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u0447\u0442\u0435\u043d\u0438\u0435 (\u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b \u0432 URL), <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">doPost<\/code> &#8212; \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 \u0438 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0445 (\u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b \u0432 \u0442\u0435\u043b\u0435); \u0432\u044b\u0431\u043e\u0440 \u043c\u0435\u0442\u043e\u0434\u0430 \u0432\u043b\u0438\u044f\u0435\u0442 \u043d\u0430 \u043a\u044d\u0448\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0438 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c.<\/li>\n<li>\u0421 Jakarta EE 9 \u043f\u0430\u043a\u0435\u0442\u044b \u043f\u0435\u0440\u0435\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u044b \u0438\u0437 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">javax.servlet<\/code> \u0432 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">jakarta.servlet<\/code>; \u044d\u0442\u043e \u043a\u043b\u044e\u0447\u0435\u0432\u043e\u0435 \u043e\u0442\u043b\u0438\u0447\u0438\u0435 \u0434\u043b\u044f Tomcat 10 \u0438 \u043d\u043e\u0432\u0435\u0435.<\/li>\n<li>\u0420\u0430\u0437\u0432\u0435\u0440\u043d\u0443\u0442\u044c \u0441\u0435\u0440\u0432\u043b\u0435\u0442 \u043c\u043e\u0436\u043d\u043e \u0430\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u0435\u0439 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">@WebServlet<\/code> \u0438\u043b\u0438 \u0447\u0435\u0440\u0435\u0437 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">web.xml<\/code>; JSP \u0438 Spring MVC \u043d\u0430\u0434\u0441\u0442\u0440\u043e\u0435\u043d\u044b \u043d\u0430\u0434 \u0442\u043e\u0439 \u0436\u0435 \u043c\u043e\u0434\u0435\u043b\u044c\u044e \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u043e\u0432.<\/li>\n<\/ul>\n<h2 id=\"s10\">\u0413\u0434\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \/ \u0441\u0432\u044f\u0437\u044c \u0441 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u043e\u0439<\/h2>\n<p>\u0421\u0435\u0440\u0432\u043b\u0435\u0442\u044b &#8212; \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u0430\u044f \u0447\u0430\u0441\u0442\u044c \u043a\u0430\u0440\u0442\u0438\u043d\u044b \u043c\u0438\u0440\u0430 Java-\u0432\u0435\u0431-\u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430: \u0431\u0435\u0437 \u043d\u0438\u0445 \u043d\u0435 \u043f\u043e\u043d\u044f\u0442\u044c \u043d\u0438 Tomcat, \u043d\u0438 Spring, \u043d\u0438 \u0442\u043e, \u043a\u0430\u043a \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u0432\u043e\u043e\u0431\u0449\u0435 \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u0437\u0430\u043f\u0440\u043e\u0441\u044b. \u041d\u0430 \u0441\u043e\u0431\u0435\u0441\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u044f\u0445 \u043d\u0430 \u043f\u043e\u0437\u0438\u0446\u0438\u0438 \u0434\u0436\u0443\u043d\u0430 \u0438 \u043c\u0438\u0434\u043b\u0430 \u0436\u0438\u0437\u043d\u0435\u043d\u043d\u044b\u0439 \u0446\u0438\u043a\u043b, \u0440\u0430\u0437\u043d\u0438\u0446\u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">doGet<\/code> \u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">doPost<\/code> \u0438 \u0440\u043e\u043b\u044c \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430 &#8212; \u0442\u0438\u043f\u043e\u0432\u044b\u0435 \u0432\u043e\u043f\u0440\u043e\u0441\u044b.<\/p>\n<div class=\"oj-cta\" style=\"background:#fbf4e4;border-left:4px solid #c9962b;border-radius:8px;padding:16px 20px;margin:24px 0\">\n<p style=\"margin:0 0 8px\"><strong>\u041e\u0441\u0432\u043e\u0439\u0442\u0435 \u0442\u0435\u043c\u0443 \u043d\u0430 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0435<\/strong><\/p>\n<p>\u0420\u0430\u0437\u043e\u0431\u0440\u0430\u0442\u044c\u0441\u044f \u0432 \u0441\u0432\u044f\u0437\u043a\u0435 \u00ab\u0441\u0435\u0440\u0432\u043b\u0435\u0442 &#8212; \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440 &#8212; Spring\u00bb \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u043e \u0438 \u0441 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u043e\u0439 \u043d\u0430 \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u0445 \u043f\u043e\u043c\u043e\u0433\u0430\u0435\u0442 \u043a\u0443\u0440\u0441 <a href=\"https:\/\/otus.ru\/lessons\/javaspring\/?int_article=dzhava-i-servlety-chto-dolzhen-znat-razrabotchik&amp;int_place=article&amp;int_variant=v1\">Java-\u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a (Spring)<\/a>: \u0442\u0430\u043c \u0432\u0435\u0431-\u0441\u043b\u043e\u0439 \u043f\u0440\u043e\u0445\u043e\u0434\u044f\u0442 \u043e\u0442 \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u043e\u0432 \u0434\u043e Spring MVC \u0438 REST. \u041e\u0446\u0435\u043d\u0438\u0442\u044c \u0444\u043e\u0440\u043c\u0430\u0442 \u0438 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u0437\u0430\u043d\u044f\u0442\u0438\u0439 \u0437\u0430\u0440\u0430\u043d\u0435\u0435 \u043c\u043e\u0436\u043d\u043e \u043d\u0430 <a href=\"https:\/\/otus.ru\/events\/?int_article=dzhava-i-servlety-chto-dolzhen-znat-razrabotchik&amp;int_place=article&amp;int_variant=v1\">\u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0445 \u0443\u0440\u043e\u043a\u0430\u0445 Otus<\/a> &#8212; \u044d\u0442\u043e \u0431\u0435\u0441\u043f\u043b\u0430\u0442\u043d\u044b\u0435 \u0432\u0435\u0431\u0438\u043d\u0430\u0440\u044b \u0441 \u0440\u0430\u0437\u0431\u043e\u0440\u043e\u043c \u0442\u0435\u043c \u0438 \u043e\u0442\u0432\u0435\u0442\u0430\u043c\u0438 \u043f\u0440\u0435\u043f\u043e\u0434\u0430\u0432\u0430\u0442\u0435\u043b\u044f.<\/p>\n<\/div>\n<h2 id=\"s11\">FAQ<\/h2>\n<p><strong>\u041d\u0443\u0436\u043d\u043e \u043b\u0438 \u0443\u0447\u0438\u0442\u044c \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u044b, \u0435\u0441\u043b\u0438 \u0441\u0440\u0430\u0437\u0443 \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u044e \u043f\u0438\u0441\u0430\u0442\u044c \u043d\u0430 Spring?<\/strong><br \/>\n\u0414\u0430. Spring MVC \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u043f\u043e\u0432\u0435\u0440\u0445 \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u043e\u0432, \u0430 \u0435\u0433\u043e <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">DispatcherServlet<\/code> &#8212; \u044d\u0442\u043e \u043e\u0431\u044b\u0447\u043d\u044b\u0439 \u0441\u0435\u0440\u0432\u043b\u0435\u0442. \u041f\u043e\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u043c\u043e\u0434\u0435\u043b\u0438 \u043f\u043e\u043c\u043e\u0433\u0430\u0435\u0442 \u0447\u0438\u0442\u0430\u0442\u044c \u043b\u043e\u0433\u0438, \u043d\u0430\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0442\u044c \u0444\u0438\u043b\u044c\u0442\u0440\u044b \u0438 \u0440\u0430\u0437\u0431\u0438\u0440\u0430\u0442\u044c\u0441\u044f, \u043a\u043e\u0433\u0434\u0430 \u0447\u0442\u043e-\u0442\u043e \u043b\u043e\u043c\u0430\u0435\u0442\u0441\u044f \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430.<\/p>\n<p><strong>\u0427\u0435\u043c \u0441\u0435\u0440\u0432\u043b\u0435\u0442 \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u043e\u0442 \u0444\u0438\u043b\u044c\u0442\u0440\u0430 (Filter)?<\/strong><br \/>\n\u0421\u0435\u0440\u0432\u043b\u0435\u0442 \u0444\u043e\u0440\u043c\u0438\u0440\u0443\u0435\u0442 \u043e\u0442\u0432\u0435\u0442 \u043d\u0430 \u0437\u0430\u043f\u0440\u043e\u0441 \u043f\u043e \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u043e\u043c\u0443 URL. \u0424\u0438\u043b\u044c\u0442\u0440 (<code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">jakarta.servlet.Filter<\/code>) \u043f\u0435\u0440\u0435\u0445\u0432\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u0437\u0430\u043f\u0440\u043e\u0441\u044b \u0438 \u043e\u0442\u0432\u0435\u0442\u044b \u0434\u043e \u0438 \u043f\u043e\u0441\u043b\u0435 \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u0430 &#8212; \u0434\u043b\u044f \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438, \u043b\u043e\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f, \u0441\u0436\u0430\u0442\u0438\u044f. \u0424\u0438\u043b\u044c\u0442\u0440 \u043d\u0435 \u043e\u0442\u0434\u0430\u0435\u0442 \u043a\u043e\u043d\u0442\u0435\u043d\u0442 \u0441\u0430\u043c, \u0430 \u0441\u0442\u043e\u0438\u0442 \u0432 \u0446\u0435\u043f\u043e\u0447\u043a\u0435 \u043f\u0435\u0440\u0435\u0434 \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u043e\u043c.<\/p>\n<p><strong>\u041e\u0434\u0438\u043d \u0441\u0435\u0440\u0432\u043b\u0435\u0442 \u043e\u0431\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u0437\u0430\u043f\u0440\u043e\u0441\u044b \u043f\u043e \u043e\u0447\u0435\u0440\u0435\u0434\u0438 \u0438\u043b\u0438 \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u043e?<\/strong><br \/>\n\u041f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u043e. \u041a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440 \u0441\u043e\u0437\u0434\u0430\u0435\u0442 \u043e\u0434\u0438\u043d \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440 \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u0430 \u0438 \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442 \u0435\u0433\u043e \u0438\u0437 \u0440\u0430\u0437\u043d\u044b\u0445 \u043f\u043e\u0442\u043e\u043a\u043e\u0432 \u043e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e. \u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u0438\u0437\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0435 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0432 \u043f\u043e\u043b\u044f\u0445 \u043a\u043b\u0430\u0441\u0441\u0430 \u043d\u0435\u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e; \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0435 \u0434\u0435\u0440\u0436\u0430\u0442 \u0432 \u043e\u0431\u044a\u0435\u043a\u0442\u0430\u0445 \u0437\u0430\u043f\u0440\u043e\u0441\u0430, \u043e\u0442\u0432\u0435\u0442\u0430 \u0438\u043b\u0438 \u0441\u0435\u0441\u0441\u0438\u0438.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0421\u0435\u0440\u0432\u043b\u0435\u0442 &#8212; \u044d\u0442\u043e Java-\u043a\u043b\u0430\u0441\u0441, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0431\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 HTTP-\u0437\u0430\u043f\u0440\u043e\u0441\u044b \u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0438 \u0444\u043e\u0440\u043c\u0438\u0440\u0443\u0435\u0442 \u043e\u0442\u0432\u0435\u0442. \u041e\u043d \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0432\u043d\u0443\u0442\u0440\u0438 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430 \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u043e\u0432 (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, Apache Tomcat) \u0438 \u0441\u043b\u0443\u0436\u0438\u0442 \u0442\u043e\u0447\u043a\u043e\u0439 \u0432\u0445\u043e\u0434\u0430 \u0432\u0435\u0431-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f: \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u0437\u0430\u043f\u0440\u043e\u0441 \u043e\u0442 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430, \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442 \u043b\u043e\u0433\u0438\u043a\u0443 \u0438 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 HTML, JSON \u0438\u043b\u0438 \u0434\u0440\u0443\u0433\u043e\u0439 \u043a\u043e\u043d\u0442\u0435\u043d\u0442. \u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435 Servlet, GenericServlet \u0438 HttpServlet: \u0442\u0440\u0438 \u0443\u0440\u043e\u0432\u043d\u044f \u041a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440 \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u043e\u0432: \u043a\u0442\u043e \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442 \u0432\u0430\u0448 \u043a\u043e\u0434 \u0416\u0438\u0437\u043d\u0435\u043d\u043d\u044b\u0439 \u0446\u0438\u043a\u043b \u0441\u0435\u0440\u0432\u043b\u0435\u0442\u0430: [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":3622,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[75],"class_list":["post-3621","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-polza","tag-java"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u0441\u0435\u0440\u0432\u043b\u0435\u0442 \u0432 Java: \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 Servlet \u0438 \u043a\u043b\u0430\u0441\u0441 HttpServlet, \u0436\u0438\u0437\u043d\u0435\u043d\u043d\u044b\u0439 \u0446\u0438\u043a\u043b init service destroy, \u043c\u0435\u0442\u043e\u0434\u044b doGet \u0438 doPost, \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440 Tomcat \u0438 \u0440\u0430\u0437\u0432\u0435\u0440\u0442\u044b\u0432\u0430\u043d\u0438\u0435.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"A. Pavlenko\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/otus.ru\/journal\/dzhava-i-servlety-chto-dolzhen-znat-razrabotchik\/\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/otus.ru\\\/journal\\\/dzhava-i-servlety-chto-dolzhen-znat-razrabotchik\\\/#article\",\"name\":\"\\u0421\\u0435\\u0440\\u0432\\u043b\\u0435\\u0442\\u044b \\u0432 Java: \\u0436\\u0438\\u0437\\u043d\\u0435\\u043d\\u043d\\u044b\\u0439 \\u0446\\u0438\\u043a\\u043b \\u0438 HttpServlet | Otus\",\"headline\":\"\\u0421\\u0435\\u0440\\u0432\\u043b\\u0435\\u0442\\u044b \\u0432 Java: \\u043a\\u0430\\u043a \\u0443\\u0441\\u0442\\u0440\\u043e\\u0435\\u043d\\u044b \\u0438 \\u043a\\u0430\\u043a \\u043d\\u0430\\u043f\\u0438\\u0441\\u0430\\u0442\\u044c \\u043f\\u0435\\u0440\\u0432\\u044b\\u0439 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