{"id":2402,"date":"2021-11-29T20:06:19","date_gmt":"2021-11-29T20:06:19","guid":{"rendered":"https:\/\/otus.ru\/journal\/?p=2402"},"modified":"2021-11-29T20:06:20","modified_gmt":"2021-11-29T20:06:20","slug":"mnogopotochnost-v-java","status":"publish","type":"post","link":"https:\/\/otus.ru\/journal\/mnogopotochnost-v-java\/","title":{"rendered":"\u041c\u043d\u043e\u0433\u043e\u043f\u043e\u0442\u043e\u0447\u043d\u043e\u0441\u0442\u044c \u0432 Java"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u041f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u044b\u0435 \u0432 Java, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0442 \u043a\u0430\u043a \u043c\u0438\u043d\u0438\u043c\u0443\u043c \u0441 \u043e\u0434\u043d\u0438\u043c \u043f\u043e\u0442\u043e\u043a\u043e\u043c. \u041e\u043d \u043d\u0430\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0433\u043b\u0430\u0432\u043d\u044b\u043c (main). \u041d\u0435\u0441\u043c\u043e\u0442\u0440\u044f \u043d\u0430 \u044d\u0442\u043e, \u0432 \u0444\u043e\u043d\u043e\u0432\u043e\u043c \u0440\u0435\u0436\u0438\u043c\u0435 \u043f\u043e\u0434\u043e\u0431\u043d\u044b\u0445 \u00ab\u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439\u00bb \u0434\u043e\u0432\u043e\u043b\u044c\u043d\u043e \u043c\u043d\u043e\u0433\u043e. \u041f\u0440\u0438\u043c\u0435\u0440\u044b:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u043c\u0430\u043d\u0438\u043f\u0443\u043b\u044f\u0446\u0438\u0438 \u0441 \u043f\u0430\u043c\u044f\u0442\u044c\u044e;<\/li><li>\u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0435 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f;<\/li><li>\u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0441\u0438\u0433\u043d\u0430\u043b\u043e\u0432.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u041d\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430 \u0433\u043b\u0430\u0432\u043d\u044b\u043c \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u043f\u0435\u0440\u0432\u044b\u0439 \u043f\u043e\u0442\u043e\u043a. \u041e\u0442\u0441\u044e\u0434\u0430 \u0432\u043e\u0437\u043d\u0438\u043a\u0430\u0435\u0442 \u043f\u043e\u043d\u044f\u0442\u0438\u0435 \u043c\u043d\u043e\u0433\u043e\u043f\u043e\u0442\u043e\u0447\u043d\u043e\u0441\u0442\u0438. \u041a\u043e\u043c\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0438 \u0438\u0437\u043b\u0438\u0448\u043d\u0438. \u042d\u0442\u043e \u2013 \u043e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0431\u043e\u043b\u0435\u0435 \u043e\u0434\u043d\u043e\u0433\u043e \u043f\u043e\u0442\u043e\u043a\u0430 \u0432 \u043f\u0440\u0435\u0434\u0435\u043b\u0430\u0445 \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u043e\u0433\u043e \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412\u043d\u0438\u043c\u0430\u043d\u0438\u0435: \u0435\u0441\u043b\u0438 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440 \u043d\u0430 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u043d\u043e\u043c \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0435 \u043e\u0434\u043d\u043e\u044f\u0434\u0435\u0440\u043d\u044b\u0439, \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u043e\u0434\u0438\u043d \u043f\u043e\u0442\u043e\u043a. \u0412 \u044d\u0442\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0431\u0443\u0434\u0435\u0442 \u0434\u0435\u043b\u0438\u0442\u044c\u0441\u044f \u043c\u0435\u0436\u0434\u0443 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u043c\u0438 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430\u043c\u0438 \u0438 \u0438\u043c\u0435\u044e\u0449\u0438\u043c\u0438\u0441\u044f \u043f\u043e\u0442\u043e\u043a\u0430\u043c\u0438.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0421\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u2013 \u043a\u0430\u043a \u043d\u0430\u0447\u0430\u0442\u044c \u0440\u0430\u0431\u043e\u0442\u0443 \u0441\u043e Thread<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u043c\u044b\u0435 \u00ab\u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b\u00bb \u043c\u043e\u0436\u043d\u043e \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u043c\u0438 \u0441\u043f\u043e\u0441\u043e\u0431\u0430\u043c\u0438. \u0412\u044b\u0431\u043e\u0440 \u0437\u0430\u0432\u0438\u0441\u0438\u0442 \u043e\u0442 \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u0435\u0439 \u043a\u043b\u0430\u0441\u0441\u0430. \u041a\u043e\u0433\u0434\u0430 \u043e\u043d \u043f\u0440\u0435\u0434\u0443\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u0442 \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u043e \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0435\u0439, \u043b\u0443\u0447\u0448\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0442\u044c \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 Runnable. \u0412 \u043f\u0440\u043e\u0442\u0438\u0432\u043d\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0443\u0435\u0442\u0441\u044f \u043e\u0431\u0440\u0430\u0442\u0438\u0442\u044c \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u043d\u0430 \u043d\u0430\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u0435 \u043e\u0442 \u043a\u043b\u0430\u0441\u0441\u0430 Thread.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0435\u0440\u0432\u044b\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u043d\u0430 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0435 \u0447\u0430\u0449\u0435. \u042d\u0442\u043e \u0441\u0432\u044f\u0437\u0430\u043d\u043e \u0441 \u0442\u0435\u043c, \u0447\u0442\u043e Java \u043e\u0431\u043b\u0430\u0434\u0430\u0435\u0442 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u0432. \u0410 \u0437\u043d\u0430\u0447\u0438\u0442, \u043c\u043e\u0436\u043d\u043e \u043d\u0430\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u044c \u0434\u0440\u0443\u0433\u0438\u0435 \u043a\u043b\u0430\u0441\u0441\u044b.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u0421\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u0447\u0435\u0440\u0435\u0437 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u0414\u043b\u044f \u0442\u043e\u0433\u043e, \u0447\u0442\u043e\u0431\u044b \u0441\u043f\u0440\u0430\u0432\u0438\u0442\u044c\u0441\u044f \u0441 \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043d\u043e\u0439 \u0437\u0430\u0434\u0430\u0447\u0435\u0439, \u043f\u043e\u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u0441\u043e\u0437\u0434\u0430\u0442\u044c Thread (\u044d\u0442\u043e \u2013 \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u0432\u0445\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u043e\u0442\u043e\u043a\u0430, \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u043c);<\/li><li>\u043f\u0435\u0440\u0435\u0434\u0430\u0442\u044c \u043e\u0431\u044a\u0435\u043a\u0442 runnable \u043a\u043b\u0430\u0441\u0441\u0430;<\/li><li>\u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043c\u0435\u0442\u043e\u0434 start(), \u043e\u0442\u0432\u0435\u0447\u0430\u044e\u0449\u0438\u0439 \u0437\u0430 \u0438\u0441\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 run() \u0432 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u043c \u043f\u043e\u0442\u043e\u043a\u0435.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0417\u0430 \u0441\u0447\u0435\u0442 \u043e\u043f\u0438\u0441\u0430\u043d\u043d\u044b\u0445 \u043c\u0430\u043d\u0438\u043f\u0443\u043b\u044f\u0446\u0438\u0439 \u0431\u0443\u0434\u0435\u0442 \u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u0435 \u0440\u0430\u0431\u043e\u0442\u043e\u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0441\u0442\u0438 public void run() \u0438 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430 java.lang.Runnable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412\u043e\u0442 \u043f\u0440\u0438\u043c\u0435\u0440 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f new thread \u0447\u0435\u0440\u0435\u0437 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>package ua.com.prologistic;\r\n \r\npublic class HeavyWorkRunnable implements Runnable {\r\n \r\n    @Override\r\n    public void run() {\r\n        System.out.println(\"\u041d\u0430\u0447\u0430\u043b\u043e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0432 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u043c \u043f\u043e\u0442\u043e\u043a\u0435 - \" + Thread.currentThread().getName());\r\n        try {\r\n            Thread.sleep(1000);\r\n            \/\/ \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0431\u0430\u0437\u044b \u0434\u0430\u043d\u043d\u044b\u0445\r\n            doDBProcessing();\r\n        } catch (InterruptedException e) {\r\n            e.printStackTrace();\r\n        }\r\n        System.out.println(\"\u0417\u0430\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u0435 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0432 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u043c \u043f\u043e\u0442\u043e\u043a\u0435 - \" + Thread.currentThread().getName());\r\n    }\r\n \r\n    \/\/ \u043c\u0435\u0442\u043e\u0434 \u043f\u0441\u0435\u0432\u0434\u043e\u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0431\u0430\u0437\u044b \u0434\u0430\u043d\u043d\u044b\u0445\r\n    private void doDBProcessing() throws InterruptedException {\r\n        Thread.sleep(5000);\r\n    }\r\n \r\n}\r<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u041d\u0430\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u0435 \u043a\u043b\u0430\u0441\u0441\u0430 Thread<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0414\u043b\u044f \u0442\u043e\u0433\u043e, \u0447\u0442\u043e\u0431\u044b \u043f\u0440\u0435\u0434\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u043c\u0435\u0442\u043e\u0434 run(), \u043c\u043e\u0436\u043d\u043e \u043f\u0440\u0438\u0431\u0435\u0433\u043d\u0443\u0442\u044c \u0443 \u043d\u0430\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u044e java.lang.Thread. \u0412\u043e\u0442 \u043f\u0440\u0438\u043c\u0435\u0440 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043d\u043e\u0439 \u0437\u0430\u0434\u0430\u0447\u0438:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>package ua.com.prologistic;\r\n \r\npublic class MyThread extends Thread {\r\n \r\n    public MyThread(String name) {\r\n        super(name);\r\n    }\r\n \r\n    @Override\r\n    public void run() {\r\n        System.out.println(\"\u041d\u0430\u0447\u0430\u043b\u043e \" + Thread.currentThread().getName());\r\n        try {\r\n            Thread.sleep(1000);\r\n            \/\/ \u041e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0431\u0430\u0437\u044b \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u0440\u0438\u043c\u0435\u0440\u0430\r\n            doDBProcessing();\r\n        } catch (InterruptedException e) {\r\n            e.printStackTrace();\r\n        }\r\n        System.out.println(\"\u0417\u0430\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u0435 \u043f\u043e\u0442\u043e\u043a\u0430 \" + Thread.currentThread().getName());\r\n    }\r\n    \/\/ \u043c\u0435\u0442\u043e\u0434 \u043f\u0441\u0435\u0432\u0434\u043e\u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0431\u0430\u0437\u044b \u0434\u0430\u043d\u043d\u044b\u0445\r\n    private void doDBProcessing() throws InterruptedException {\r\n        Thread.sleep(5000);\r\n    }\r\n     \r\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0414\u043b\u044f \u0442\u043e\u0433\u043e, \u0447\u0442\u043e\u0431\u044b \u043f\u043e\u043d\u044f\u0442\u044c, \u043a\u0430\u043a \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0430\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c, \u0441\u0442\u043e\u0438\u0442 \u0432\u0437\u0433\u043b\u044f\u043d\u0443\u0442\u044c \u043d\u0430 \u043f\u0440\u0438\u043c\u0435\u0440 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>package ua.com.prologistic;\r\n \r\npublic class ThreadRunExample {\r\n \r\n    public static void main(String&#91;] args){\r\n        Thread t1 = new Thread(new HeavyWorkRunnable(), \"t1\");\r\n        Thread t2 = new Thread(new HeavyWorkRunnable(), \"t2\");\r\n        System.out.println(\"\u0421\u0442\u0430\u0440\u0442\u0443\u0435\u043c runnable \u043f\u043e\u0442\u043e\u043a\u0438\");\r\n        t1.start();\r\n        t2.start();\r\n        System.out.println(\"Runnable \u043f\u043e\u0442\u043e\u043a\u0438 \u0432 \u0440\u0430\u0431\u043e\u0442\u0435\");\r\n        Thread t3 = new MyThread(\"t3\");\r\n        Thread t4 = new MyThread(\"t4\");\r\n        System.out.println(\"\u0421\u0442\u0430\u0440\u0442\u0443\u0435\u043c \u043d\u0430\u0448\u0438 \u043a\u0430\u0441\u0442\u043e\u043c\u043d\u044b\u0435 \u043f\u043e\u0442\u043e\u043a\u0438\");\r\n        t3.start();\r\n        t4.start();\r\n        System.out.println(\"\u041a\u0430\u0441\u0442\u043e\u043c\u043d\u044b\u0435 \u043f\u043e\u0442\u043e\u043a\u0438 \u0432 \u0440\u0430\u0431\u043e\u0442\u0435\");\r\n         \r\n    }\r\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u041c\u0435\u0442\u043e\u0434\u044b Thread<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0414\u043b\u044f \u0442\u043e\u0433\u043e, \u0447\u0442\u043e\u0431\u044b \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0441 \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u043c\u044b\u043c \u00ab\u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u043e\u043c\u00bb, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044e\u0442\u0441\u044f \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0435 \u043c\u0435\u0442\u043e\u0434\u044b. \u0414\u0430\u043b\u0435\u0435 \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u0441\u0430\u043c\u044b\u0435 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u044b\u0435 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u0432 \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u043c\u043e\u043c \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0435.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u041c\u0435\u0442\u043e\u0434 Run<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u0440\u0438 \u043e\u0447\u0438\u0441\u0442\u043a\u0435 \u0432\u0441\u0435\u0433\u043e \u0440\u0435\u0441\u0443\u0440\u0441\u0430. \u042d\u0442\u043e \u0437\u043d\u0430\u0447\u0438\u0442, \u0447\u0442\u043e \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0435:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u0437\u0430\u043a\u0440\u044b\u0432\u0430\u044e\u0442\u0441\u044f \u0432\u0441\u0435 \u0444\u0430\u0439\u043b\u044b;<\/li><li>\u043e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u044f;<\/li><li>\u0432\u044b\u043f\u043e\u043b\u043d\u044f\u044e\u0442\u0441\u044f \u0438\u043d\u044b\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u0438.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u041c\u043e\u0436\u043d\u043e \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u0442\u044c \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u044f. Shutdownhook \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f, \u043a\u043e\u0433\u0434\u0430 \u043a\u043e\u0434 \u0434\u043e\u043b\u0436\u0435\u043d \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c\u0441\u044f \u0434\u043e \u0437\u0430\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u044f \u0440\u0430\u0431\u043e\u0442\u044b JVM.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u041c\u0435\u0442\u043e\u0434 AddShutdownHook<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u0440\u0438 \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0446\u0438\u0438 \u043f\u043e\u0442\u043e\u043a\u043e\u0432 \u043d\u0430 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u043c\u0430\u0448\u0438\u043d\u0430\u0445. \u0418\u043c\u0435\u0435\u0442 \u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u0435 \u043a \u043a\u043b\u0430\u0441\u0441\u0443 Runtime<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u041c\u0435\u0442\u043e\u0434 Flush<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f threads, \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0435\u0440\u044b \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0442 \u0441 \u043e\u0433\u0440\u043e\u043c\u043d\u044b\u043c \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e\u043c \u043c\u0435\u0442\u043e\u0434\u043e\u0432. \u0423 \u043a\u043b\u0430\u0441\u0441\u0430 Writer \u0435\u0441\u0442\u044c Flush (). \u041e\u043d \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u0442\u043e\u0433\u043e, \u0447\u0442\u043e\u0431\u044b \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0442\u044c \u043e\u0447\u0438\u0441\u0442\u043a\u0443 \u043f\u0438\u0441\u0430\u0442\u0435\u043b\u044f. \u042d\u0442\u043e \u0437\u043d\u0430\u0447\u0438\u0442, \u0447\u0442\u043e \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u0438\u0437 \u043b\u044e\u0431\u043e\u0433\u043e \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430. \u041d\u0438\u043a\u0430\u043a\u0438\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u043d\u0435 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442, \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b \u043d\u0435 \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0417\u0430\u043f\u043e\u043c\u043d\u0438\u0442\u044c \u0441\u0442\u043e\u0438\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0435:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441: public void flush();<\/li><li>\u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b \u2013 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u044e\u0442;<\/li><li>\u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u2013 \u043e\u0447\u0438\u0441\u0442\u043a\u0430 \u043f\u0438\u0441\u0430\u0442\u0435\u043b\u044f;<\/li><li>\u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u043c\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u2013 \u043d\u0435\u0442.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0427\u0442\u043e\u0431\u044b \u043b\u0443\u0447\u0448\u0435 \u043f\u043e\u043d\u0438\u043c\u0430\u0442\u044c \u043f\u0440\u0438\u043d\u0446\u0438\u043f \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f flushing, \u0441\u0442\u043e\u0438\u0442 \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u043d\u0430\u0433\u043b\u044f\u0434\u043d\u044b\u0439 \u043f\u0440\u0438\u043c\u0435\u0440.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u041f\u0440\u0438\u043c\u0435\u0440 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f Flush<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412\u043e\u0442 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043e\u0431\u044a\u044f\u0441\u043d\u0438\u0442 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0439 \u0432\u043e\u043f\u0440\u043e\u0441:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ Java-\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430 \u0434\u043b\u044f \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0430\u0446\u0438\u0438\r\n\/\/ \u041f\u0438\u0448\u0443\u0449\u0438\u0439 \u043c\u0435\u0442\u043e\u0434 flush ()\r\n  \r\nimport java.io.*;\r\n  \r\nclass GFG {\r\n    public static void main(String&#91;] args)\r\n    {\r\n  \r\n        \/\/ \u0421\u0442\u0440\u043e\u0447\u043a\u0430, \u043a\u043e\u0442\u043e\u0440\u0443\u044e \u0445\u043e\u0447\u0435\u0442\u0441\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0432 \u043f\u0438\u0441\u0430\u0442\u0435\u043b\u0435\r\n        String str = \"GeeksForGeeks\";\r\n  \r\n        try {\r\n  \r\n            \/\/ \u0421\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440\u0430  Writer\r\n            Writer writer\r\n                = new PrintWriter(System.out);\r\n  \r\n            \/\/ \u0417\u0430\u043f\u0438\u0441\u044c \u0441\u0442\u0440\u043e\u0447\u043a\u0438 \u0432\u044b\u0448\u0435 \u0430\u0432\u0442\u043e\u0440\u0443\r\n            \/\/ \u041f\u043e\u043c\u0435\u0449\u0435\u043d\u0438\u0435 \u0432 \u043f\u0438\u0441\u0430\u0442\u0435\u043b\u044f\r\n            \/\/ \u043f\u043e\u043a\u0430 \u043d\u0435 \u043d\u0430\u043f\u0435\u0447\u0430\u0442\u0430\u043d\u043e \u043d\u0430 \u043a\u043e\u043d\u0441\u043e\u043b\u0438\r\n            writer.write(str);\r\n  \r\n            \/\/ \u041e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u0435\u043d\u0438\u0435 \u0447\u0438\u0441\u0442\u043a\u0438 \u043f\u0438\u0441\u0430\u0442\u0435\u043b\u044f\r\n            \/\/ \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u043c\u0435\u0442\u043e\u0434\u0430 flush ()\r\n            writer.flush();\r\n        }\r\n        catch (Exception e) {\r\n            System.out.println(e);\r\n        }\r\n    }\r\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041d\u0430 \u044d\u043a\u0440\u0430\u043d \u0431\u0443\u0434\u0435\u0442 \u0432\u044b\u0432\u0435\u0434\u0435\u043d\u043e: GeegForGeeks.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u041a\u0430\u043a \u043b\u0443\u0447\u0448\u0435 \u0440\u0430\u0437\u043e\u0431\u0440\u0430\u0442\u044c\u0441\u044f \u0432 \u0442\u0435\u043c\u0435<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0414\u043b\u044f \u0442\u043e\u0433\u043e, \u0447\u0442\u043e\u0431\u044b \u043f\u043e\u043d\u0438\u043c\u0430\u0442\u044c \u043d\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u0442\u043e, \u0447\u0442\u043e \u0441\u043e\u0431\u043e\u0439 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0442 \u0432 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u0442\u0430\u043a\u0438\u0435 \u0441\u043b\u043e\u0432\u0430 \u043a\u0430\u043a true, false, while, for \u0438 \u0442\u0430\u043a \u0434\u0430\u043b\u0435\u0435, \u043d\u043e \u0438 \u0440\u0430\u0437\u043e\u0431\u0440\u0430\u0442\u044c\u0441\u044f \u0432 \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0435\u043d\u043d\u043e\u0439 \u0442\u0435\u043c\u0435 \u0431\u043e\u043b\u0435\u0435 \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u043e, \u0441\u0442\u043e\u0438\u0442 \u043f\u043e\u0441\u0435\u0442\u0438\u0442\u044c \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u043a\u0443\u0440\u0441\u044b.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u043e\u0446\u0435\u0441\u0441 \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u0435 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u043d \u043e\u0447\u043d\u043e \u0438\u043b\u0438 \u0434\u0438\u0441\u0442\u0430\u043d\u0446\u0438\u043e\u043d\u043d\u043e. \u041f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u043f\u043e\u043b\u0443\u0447\u0430\u0442 \u043f\u043e\u0437\u043d\u0430\u043d\u0438\u044f \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u043f\u043e\u0442\u043e\u043a\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 Java 1), \u043a\u0430\u043a \u0438\u0445 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0432 \u0442\u043e\u043c \u0438\u043b\u0438 \u0438\u043d\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435. \u041f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b \u0435\u0441\u0442\u044c \u043a\u0430\u043a \u0434\u043b\u044f \u043d\u043e\u0432\u0438\u0447\u043a\u043e\u0432, \u0442\u0430\u043a \u0438 \u0434\u043b\u044f \u0442\u0435\u0445, \u043a\u0442\u043e \u0443\u0436\u0435 \u0443\u043c\u0435\u0435\u0442 \u043a\u043e\u0434\u0438\u0442\u044c. \u0412 \u043a\u043e\u043d\u0446\u0435 \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u044f \u0432\u0441\u0435 \u0437\u0430\u0432\u0435\u0440\u0448\u0438\u0432\u0448\u0438\u0435 \u043a\u0443\u0440\u0441 \u043f\u043e\u043b\u0443\u0447\u0430\u0442 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u044b \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u043e\u0431\u0440\u0430\u0437\u0446\u0430. \u0412\u043e \u0432\u0440\u0435\u043c\u044f \u0443\u0447\u0435\u0431\u044b \u043a\u0430\u0436\u0434\u044b\u0439 \u00ab\u0441\u0442\u0443\u0434\u0435\u043d\u0442\u00bb \u0441\u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u043e\u0431\u0449\u0430\u0442\u044c\u0441\u044f \u0441 \u043a\u0443\u0440\u0430\u0442\u043e\u0440\u0430\u043c\u0438 \u0438 \u043e\u043f\u044b\u0442\u043d\u044b\u043c\u0438 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0441\u0442\u0430\u043c\u0438 \u0432 \u0432\u044b\u0431\u0440\u0430\u043d\u043d\u043e\u043c \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0438.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041a\u0443\u0440\u0441\u044b \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b \u0438 \u0440\u0430\u0437\u043d\u043e\u043e\u0431\u0440\u0430\u0437\u043d\u044b. \u041f\u0440\u0435\u0434\u0432\u0430\u0440\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043c\u043e\u0436\u043d\u043e \u0432\u044b\u0431\u0440\u0430\u0442\u044c \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u0435 \u043e\u0441\u043d\u043e\u0432\u0430\u043c \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430 \u0414\u0436\u0430\u0432\u0435 \u0438\u043b\u0438 \u0438\u043d\u0443\u044e \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e. \u0412\u0441\u0435 \u044d\u0442\u043e \u043f\u043e\u043c\u043e\u0436\u0435\u0442 \u0441\u0442\u0430\u0442\u044c \u0433\u0440\u0430\u043c\u043e\u0442\u043d\u044b\u043c \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0441\u0442\u043e\u043c \u0438 \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u0443\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u044b\u0435 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b \u00ab\u0441 \u043d\u0443\u043b\u044f\u00bb. \u0412\u0441\u0435 \u0442\u0430\u043a \u0442\u0440\u0443\u0434\u043d\u043e, \u043a\u0430\u043a \u043a\u0430\u0436\u0435\u0442\u0441\u044f. \u0421\u043f\u0440\u0430\u0432\u0438\u0442\u044c\u0441\u044f \u0441 \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043d\u043e\u0439 \u0437\u0430\u0434\u0430\u0447\u0435\u0439 \u0441\u043f\u043e\u0441\u043e\u0431\u0435\u043d \u043a\u0430\u0436\u0434\u044b\u0439. \u042d\u0442\u043e \u043b\u0438\u0448\u044c \u0432\u043e\u043f\u0440\u043e\u0441 \u0432\u0440\u0435\u043c\u0435\u043d\u0438. \u0414\u0430\u0436\u0435 \u0434\u0430\u043b\u0435\u043a\u0438\u0439 \u043e\u0442 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0447\u0435\u043b\u043e\u0432\u0435\u043a \u043c\u043e\u0436\u0435\u0442 \u043e\u0441\u0432\u043e\u0438\u0442\u044c \u043a\u043e\u0434\u0438\u043d\u0433 \u043d\u0430 \u0414\u0436\u0430\u0432\u0435.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/otus.ru\/lessons\/java-specialization\/?utm_source=oj&amp;utm_medium=affilate&amp;utm_campaign=java_bandle\"><img loading=\"lazy\" decoding=\"async\" width=\"970\" height=\"90\" src=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/JavaSpec_Welcome_970x90-1.png\" alt=\"\u041c\u043d\u043e\u0433\u043e\u043f\u043e\u0442\u043e\u0447\u043d\u043e\u0441\u0442\u044c \u0432 Java\" class=\"wp-image-2403\" 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\u043a\u0430\u043a \u043c\u0438\u043d\u0438\u043c\u0443\u043c \u0441 \u043e\u0434\u043d\u0438\u043c \u043f\u043e\u0442\u043e\u043a\u043e\u043c. \u041e\u043d \u043d\u0430\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0433\u043b\u0430\u0432\u043d\u044b\u043c (main). \u041d\u0435\u0441\u043c\u043e\u0442\u0440\u044f \u043d\u0430 \u044d\u0442\u043e, \u0432 \u0444\u043e\u043d\u043e\u0432\u043e\u043c \u0440\u0435\u0436\u0438\u043c\u0435 \u043f\u043e\u0434\u043e\u0431\u043d\u044b\u0445 \u00ab\u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439\u00bb \u0434\u043e\u0432\u043e\u043b\u044c\u043d\u043e \u043c\u043d\u043e\u0433\u043e. \u041f\u0440\u0438\u043c\u0435\u0440\u044b: \u043c\u0430\u043d\u0438\u043f\u0443\u043b\u044f\u0446\u0438\u0438 \u0441 \u043f\u0430\u043c\u044f\u0442\u044c\u044e; \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0435 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f; \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430 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