{"id":4508,"date":"2026-09-24T09:00:00","date_gmt":"2026-09-24T09:00:00","guid":{"rendered":"https:\/\/otus.ru\/journal\/?p=4508"},"modified":"2026-09-25T15:28:45","modified_gmt":"2026-09-25T15:28:45","slug":"inkapsulyaciya-v-java-prosto-o-slozhnom","status":"publish","type":"post","link":"https:\/\/otus.ru\/journal\/inkapsulyaciya-v-java-prosto-o-slozhnom\/","title":{"rendered":"\u0418\u043d\u043a\u0430\u043f\u0441\u0443\u043b\u044f\u0446\u0438\u044f \u0432 Java: private-\u043f\u043e\u043b\u044f, \u0433\u0435\u0442\u0442\u0435\u0440\u044b, \u0441\u0435\u0442\u0442\u0435\u0440\u044b \u0438 \u043f\u0440\u0438\u043c\u0435\u0440 \u0434\u043e \u0438 \u043f\u043e\u0441\u043b\u0435"},"content":{"rendered":"

\u0418\u043d\u043a\u0430\u043f\u0441\u0443\u043b\u044f\u0446\u0438\u044f \u0432 Java<\/strong> — \u044d\u0442\u043e \u043f\u0440\u0438\u043d\u0446\u0438\u043f \u041e\u041e\u041f, \u043f\u0440\u0438 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043a\u043b\u0430\u0441\u0441 \u0445\u0440\u0430\u043d\u0438\u0442 \u0441\u0432\u043e\u0435 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0432 \u0437\u0430\u043a\u0440\u044b\u0442\u044b\u0445 \u043f\u043e\u043b\u044f\u0445 (private<\/code>) \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043c\u0435\u043d\u044f\u0442\u044c \u0435\u0433\u043e \u0442\u043e\u043b\u044c\u043a\u043e \u0447\u0435\u0440\u0435\u0437 \u0441\u0432\u043e\u0438 \u043c\u0435\u0442\u043e\u0434\u044b, \u0430 \u0442\u0435 \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u044e\u0442 \u043f\u0440\u0430\u0432\u0438\u043b\u0430. \u0426\u0435\u043b\u044c — \u0447\u0442\u043e\u0431\u044b \u043e\u0431\u044a\u0435\u043a\u0442 \u043d\u0435\u043b\u044c\u0437\u044f \u0431\u044b\u043b\u043e \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u0432 \u043d\u0435\u0432\u0435\u0440\u043d\u043e\u0435 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0441\u043d\u0430\u0440\u0443\u0436\u0438: \u043e\u0442\u0440\u0438\u0446\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0431\u0430\u043b\u0430\u043d\u0441, \u043f\u0443\u0441\u0442\u043e\u0435 \u0438\u043c\u044f, \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u043d\u0430\u044f \u0433\u0440\u0443\u043f\u043f\u0430.<\/p>\n

\n

\u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435<\/strong><\/p>\n

    \n
  1. \u041f\u0440\u0438\u043c\u0435\u0440 \u0434\u043e: \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0435 \u043f\u043e\u043b\u044f<\/a><\/li>\n
  2. \u041f\u0440\u0438\u043c\u0435\u0440 \u043f\u043e\u0441\u043b\u0435: private-\u043f\u043e\u043b\u044f \u0438 \u043c\u0435\u0442\u043e\u0434\u044b \u0441 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430\u043c\u0438<\/a><\/li>\n
  3. \u0427\u0442\u043e \u0431\u0443\u0434\u0435\u0442, \u0435\u0441\u043b\u0438 \u043e\u0431\u0440\u0430\u0442\u0438\u0442\u044c\u0441\u044f \u043a private-\u043f\u043e\u043b\u044e<\/a><\/li>\n
  4. \u041c\u043e\u0434\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u0432 Java<\/a><\/li>\n
  5. \u0413\u0435\u0442\u0442\u0435\u0440\u044b \u0438 \u0441\u0435\u0442\u0442\u0435\u0440\u044b: \u043a\u043e\u0433\u0434\u0430 \u043e\u043d\u0438 \u043d\u0443\u0436\u043d\u044b, \u0430 \u043a\u043e\u0433\u0434\u0430 \u043d\u0435\u0442<\/a><\/li>\n
  6. \u0423\u0442\u0435\u0447\u043a\u0430 \u0447\u0435\u0440\u0435\u0437 \u0433\u0435\u0442\u0442\u0435\u0440: \u0438\u0437\u043c\u0435\u043d\u044f\u0435\u043c\u044b\u0435 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0438<\/a><\/li>\n
  7. \u041d\u0435\u0438\u0437\u043c\u0435\u043d\u044f\u0435\u043c\u044b\u0435 \u043a\u043b\u0430\u0441\u0441\u044b \u0438 record<\/a><\/li>\n
  8. \u0418\u043d\u043a\u0430\u043f\u0441\u0443\u043b\u044f\u0446\u0438\u044f — \u043d\u0435 \u0437\u0430\u0449\u0438\u0442\u0430 \u043e\u0442 \u0432\u0437\u043b\u043e\u043c\u0430<\/a><\/li>\n
  9. \u0412\u044b\u0432\u043e\u0434\u044b<\/a><\/li>\n
  10. \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
  11. FAQ<\/a><\/li>\n<\/ol>\n<\/div>\n

    \u0422\u0440\u0438 \u0441\u043b\u043e\u0432\u0430 \u0447\u0430\u0441\u0442\u043e \u0441\u043c\u0435\u0448\u0438\u0432\u0430\u044e\u0442, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u0441\u0440\u0430\u0437\u0443 \u0440\u0430\u0437\u0432\u0435\u0434\u0443 \u0438\u0445:<\/p>\n\n\n\n\n\n\n\n
    \u0422\u0435\u0440\u043c\u0438\u043d<\/th>\n\u0427\u0442\u043e \u044d\u0442\u043e<\/th>\n\u041a\u0430\u043a \u0432\u044b\u0433\u043b\u044f\u0434\u0438\u0442 \u0432 Java<\/th>\n<\/tr>\n<\/thead>\n
    \u0418\u043d\u043a\u0430\u043f\u0441\u0443\u043b\u044f\u0446\u0438\u044f<\/td>\n\u041f\u0440\u0438\u043d\u0446\u0438\u043f: \u0434\u0430\u043d\u043d\u044b\u0435 \u0438 \u043f\u0440\u0430\u0432\u0438\u043b\u0430 \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u043d\u0438\u043c\u0438 \u0436\u0438\u0432\u0443\u0442 \u0432 \u043e\u0434\u043d\u043e\u043c \u043a\u043b\u0430\u0441\u0441\u0435, \u0438 \u043f\u0440\u0430\u0432\u0438\u043b\u0430 \u043d\u0435\u043b\u044c\u0437\u044f \u043e\u0431\u043e\u0439\u0442\u0438<\/td>\n\u041f\u043e\u043b\u044f + \u043c\u0435\u0442\u043e\u0434\u044b \u0441 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430\u043c\u0438 \u0432\u043d\u0443\u0442\u0440\u0438 \u043a\u043b\u0430\u0441\u0441\u0430<\/td>\n<\/tr>\n
    \u0421\u043e\u043a\u0440\u044b\u0442\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0445<\/td>\n\u0421\u0440\u0435\u0434\u0441\u0442\u0432\u043e \u0438\u043d\u043a\u0430\u043f\u0441\u0443\u043b\u044f\u0446\u0438\u0438: \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u043e\u0441\u0442\u0438 \u043d\u0435 \u0432\u0438\u0434\u043d\u044b \u0441\u043d\u0430\u0440\u0443\u0436\u0438<\/td>\nprivate<\/code>-\u043f\u043e\u043b\u044f<\/td>\n<\/tr>\n
    \u041c\u043e\u0434\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u043e\u0441\u0442\u0443\u043f\u0430<\/td>\n\u041c\u0435\u0445\u0430\u043d\u0438\u0437\u043c \u044f\u0437\u044b\u043a\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u043c \u0441\u043e\u043a\u0440\u044b\u0442\u0438\u0435 \u0434\u0435\u043b\u0430\u044e\u0442<\/td>\nprivate<\/code>, \u0431\u0435\u0437 \u043c\u043e\u0434\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u0430, protected<\/code>, public<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u0421\u043e\u043a\u0440\u044b\u0442\u0438\u0435 \u0431\u0435\u0437 \u043f\u0440\u0430\u0432\u0438\u043b — \u0435\u0449\u0435 \u043d\u0435 \u0438\u043d\u043a\u0430\u043f\u0441\u0443\u043b\u044f\u0446\u0438\u044f: private<\/code>-\u043f\u043e\u043b\u0435 \u0441 \u0441\u0435\u0442\u0442\u0435\u0440\u043e\u043c, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u0447\u0442\u043e \u0443\u0433\u043e\u0434\u043d\u043e, \u0437\u0430\u0449\u0438\u0449\u0430\u0435\u0442 \u043d\u0435 \u0431\u043e\u043b\u044c\u0448\u0435, \u0447\u0435\u043c public<\/code>-\u043f\u043e\u043b\u0435. \u041d\u0438\u0436\u0435 — \u043e\u0434\u0438\u043d \u043a\u043b\u0430\u0441\u0441 \u00ab\u0434\u043e\u00bb \u0438 \u00ab\u043f\u043e\u0441\u043b\u0435\u00bb, \u043c\u043e\u0434\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u043e\u0441\u0442\u0443\u043f\u0430, \u0433\u0435\u0442\u0442\u0435\u0440\u044b \u0438 \u0441\u0435\u0442\u0442\u0435\u0440\u044b, \u0434\u0432\u0435 \u0442\u0438\u043f\u0438\u0447\u043d\u044b\u0435 \u0443\u0442\u0435\u0447\u043a\u0438 \u0438 \u043d\u0435\u0438\u0437\u043c\u0435\u043d\u044f\u0435\u043c\u044b\u0435 \u043a\u043b\u0430\u0441\u0441\u044b.<\/p>\n

    \u0412\u0441\u0435 \u043f\u0440\u0438\u043c\u0435\u0440\u044b \u0441\u043a\u043e\u043c\u043f\u0438\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u044b \u0438 \u0437\u0430\u043f\u0443\u0449\u0435\u043d\u044b \u043d\u0430 OpenJDK 25.0.4 (Temurin, Java 25 LTS) 24 \u0441\u0435\u043d\u0442\u044f\u0431\u0440\u044f 2026 \u0433\u043e\u0434\u0430, \u0432\u044b\u0432\u043e\u0434 \u0438 \u0442\u0435\u043a\u0441\u0442\u044b \u043e\u0448\u0438\u0431\u043e\u043a \u0432\u0437\u044f\u0442\u044b \u0438\u0437 \u043f\u0440\u043e\u0433\u043e\u043d\u0430.<\/p>\n

    \u041f\u0440\u0438\u043c\u0435\u0440 \u0434\u043e: \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0435 \u043f\u043e\u043b\u044f<\/h2>\n

    \u0410\u043d\u0430\u043b\u043e\u0433\u0438\u044f: \u0431\u0430\u043d\u043a\u043e\u0432\u0441\u043a\u0438\u0439 \u0441\u0447\u0435\u0442. \u041a\u043b\u0438\u0435\u043d\u0442 \u043d\u0435 \u043c\u043e\u0436\u0435\u0442 \u0437\u0430\u0439\u0442\u0438 \u0432 \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0435 \u0438 \u043f\u0435\u0440\u0435\u043f\u0438\u0441\u0430\u0442\u044c \u0446\u0438\u0444\u0440\u0443 \u0432 \u0432\u0435\u0434\u043e\u043c\u043e\u0441\u0442\u0438, \u043e\u043d \u043f\u0440\u043e\u0441\u0438\u0442 \u043a\u0430\u0441\u0441\u0438\u0440\u0430, \u0430 \u0442\u043e\u0442 \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u0442, \u0445\u0432\u0430\u0442\u0430\u0435\u0442 \u043b\u0438 \u0434\u0435\u043d\u0435\u0433. \u0411\u0435\u0437 \u0438\u043d\u043a\u0430\u043f\u0441\u0443\u043b\u044f\u0446\u0438\u0438 \u043a\u043b\u0430\u0441\u0441 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u043a\u0430\u043a \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0435 \u0431\u0435\u0437 \u043a\u0430\u0441\u0441\u0438\u0440\u0430.<\/p>\n

    class<\/span> Account<\/span> {<\/span>\n    <\/span>String<\/span> <\/span>owner<\/span>;<\/span>\n    <\/span>long<\/span> <\/span>balance<\/span>; <\/span>\/\/ \u043a\u043e\u043f\u0435\u0439\u043a\u0438<\/span>\n\n    <\/span>Account<\/span>(<\/span>String<\/span> <\/span>owner<\/span>, <\/span>long<\/span> <\/span>balance<\/span>) {<\/span>\n        <\/span>this<\/span>.<\/span>owner<\/span> <\/span>=<\/span> <\/span>owner<\/span>;<\/span>\n        <\/span>this<\/span>.<\/span>balance<\/span> <\/span>=<\/span> <\/span>balance<\/span>;<\/span>\n    }<\/span>\n}<\/span>\n\npublic<\/span> <\/span>class<\/span> Main<\/span> {<\/span>\n    <\/span>public<\/span> <\/span>static<\/span> <\/span>void<\/span> <\/span>main<\/span>(<\/span>String<\/span>[]<\/span> <\/span>args<\/span>) {<\/span>\n        <\/span>Account<\/span> <\/span>acc<\/span> <\/span>=<\/span> <\/span>new<\/span> <\/span>Account<\/span>(<\/span>\"\u0410\u043d\u043d\u0430\"<\/span>, <\/span>10_000<\/span>);<\/span>\n        <\/span>acc<\/span>.<\/span>balance<\/span> <\/span>=<\/span> <\/span>acc<\/span>.<\/span>balance<\/span> <\/span>-<\/span> <\/span>25_000<\/span>; <\/span>\/\/ \u0441\u043f\u0438\u0441\u0430\u043b\u0438 \u0431\u043e\u043b\u044c\u0448\u0435, \u0447\u0435\u043c \u0435\u0441\u0442\u044c<\/span>\n        <\/span>acc<\/span>.<\/span>owner<\/span> <\/span>=<\/span> <\/span>null<\/span>;                    <\/span>\/\/ \u0438 \u0432\u043b\u0430\u0434\u0435\u043b\u044c\u0446\u0430 \u043f\u043e\u0442\u0435\u0440\u044f\u043b\u0438<\/span>\n        <\/span>System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>acc<\/span>.<\/span>owner<\/span> <\/span>+<\/span> <\/span>\": \"<\/span> <\/span>+<\/span> <\/span>acc<\/span>.<\/span>balance<\/span>);<\/span>\n    }<\/span>\n}<\/span><\/code><\/pre>\n
    \u041f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430 \u043a\u043e\u043c\u043f\u0438\u043b\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0438 \u043f\u0435\u0447\u0430\u0442\u0430\u0435\u0442:<\/p>\n
    null: -15000\n<\/code><\/pre>\n
    \u041e\u0448\u0438\u0431\u043a\u0438 \u043d\u0435\u0442, \u043d\u043e \u043e\u0431\u044a\u0435\u043a\u0442 \u0441\u043b\u043e\u043c\u0430\u043d: \u0431\u0430\u043b\u0430\u043d\u0441 \u043e\u0442\u0440\u0438\u0446\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0439, \u0432\u043b\u0430\u0434\u0435\u043b\u044c\u0446\u0430 \u043d\u0435\u0442. \u041b\u044e\u0431\u043e\u0439 \u043a\u043e\u0434, \u0443 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0435\u0441\u0442\u044c \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 acc<\/code>, \u043c\u043e\u0436\u0435\u0442 \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0442\u0430\u043a \u0436\u0435, \u0438 \u0438\u0441\u043a\u0430\u0442\u044c \u0432\u0438\u043d\u043e\u0432\u0430\u0442\u043e\u0433\u043e \u043f\u0440\u0438\u0434\u0435\u0442\u0441\u044f \u043f\u043e \u0432\u0441\u0435\u043c\u0443 \u043f\u0440\u043e\u0435\u043a\u0442\u0443.<\/p>\n
    \u041f\u0440\u0438\u043c\u0435\u0440 \u043f\u043e\u0441\u043b\u0435: private-\u043f\u043e\u043b\u044f \u0438 \u043c\u0435\u0442\u043e\u0434\u044b \u0441 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430\u043c\u0438<\/h2>\n
    import<\/span> <\/span>java.util.Objects<\/span>;<\/span>\n\nclass<\/span> Account<\/span> {<\/span>\n    <\/span>private<\/span> <\/span>final<\/span> <\/span>String<\/span> <\/span>owner<\/span>;<\/span>\n    <\/span>private<\/span> <\/span>long<\/span> <\/span>balance<\/span>; <\/span>\/\/ \u0432 \u043a\u043e\u043f\u0435\u0439\u043a\u0430\u0445, \u043d\u0438\u043a\u043e\u0433\u0434\u0430 \u043d\u0435 \u043c\u0435\u043d\u044c\u0448\u0435 0<\/span>\n\n    <\/span>Account<\/span>(<\/span>String<\/span> <\/span>owner<\/span>, <\/span>long<\/span> <\/span>initial<\/span>) {<\/span>\n        <\/span>this<\/span>.<\/span>owner<\/span> <\/span>=<\/span> <\/span>Objects<\/span>.<\/span>requireNonNull<\/span>(<\/span>owner<\/span>, <\/span>\"owner\"<\/span>);<\/span>\n        <\/span>if<\/span> (<\/span>initial<\/span> <\/span><<\/span> <\/span>0<\/span>) {<\/span>\n            <\/span>throw<\/span> <\/span>new<\/span> <\/span>IllegalArgumentException<\/span>(<\/span>\"initial < 0: \"<\/span> <\/span>+<\/span> <\/span>initial<\/span>);<\/span>\n        }<\/span>\n        <\/span>this<\/span>.<\/span>balance<\/span> <\/span>=<\/span> <\/span>initial<\/span>;<\/span>\n    }<\/span>\n\n    <\/span>public<\/span> <\/span>String<\/span> <\/span>getOwner<\/span>() {<\/span>\n        <\/span>return<\/span> <\/span>owner<\/span>;<\/span>\n    }<\/span>\n\n    <\/span>public<\/span> <\/span>long<\/span> <\/span>getBalance<\/span>() {<\/span>\n        <\/span>return<\/span> <\/span>balance<\/span>;<\/span>\n    }<\/span>\n\n    <\/span>public<\/span> <\/span>void<\/span> <\/span>deposit<\/span>(<\/span>long<\/span> <\/span>amount<\/span>) {<\/span>\n        <\/span>if<\/span> (<\/span>amount<\/span> <\/span><=<\/span> <\/span>0<\/span>) {<\/span>\n            <\/span>throw<\/span> <\/span>new<\/span> <\/span>IllegalArgumentException<\/span>(<\/span>\"amount <= 0: \"<\/span> <\/span>+<\/span> <\/span>amount<\/span>);<\/span>\n        }<\/span>\n        <\/span>balance<\/span> <\/span>=<\/span> <\/span>Math<\/span>.<\/span>addExact<\/span>(<\/span>balance<\/span>, <\/span>amount<\/span>);<\/span>\n    }<\/span>\n\n    <\/span>public<\/span> <\/span>void<\/span> <\/span>withdraw<\/span>(<\/span>long<\/span> <\/span>amount<\/span>) {<\/span>\n        <\/span>if<\/span> (<\/span>amount<\/span> <\/span><=<\/span> <\/span>0<\/span>) {<\/span>\n            <\/span>throw<\/span> <\/span>new<\/span> <\/span>IllegalArgumentException<\/span>(<\/span>\"amount <= 0: \"<\/span> <\/span>+<\/span> <\/span>amount<\/span>);<\/span>\n        }<\/span>\n        <\/span>if<\/span> (<\/span>amount<\/span> <\/span>><\/span> <\/span>balance<\/span>) {<\/span>\n            <\/span>throw<\/span> <\/span>new<\/span> <\/span>IllegalStateException<\/span>(<\/span>\n                <\/span>\"\u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0441\u0440\u0435\u0434\u0441\u0442\u0432: \u0431\u0430\u043b\u0430\u043d\u0441 \"<\/span> <\/span>+<\/span> <\/span>balance<\/span> <\/span>+<\/span> <\/span>\", \u0437\u0430\u043f\u0440\u043e\u0448\u0435\u043d\u043e \"<\/span> <\/span>+<\/span> <\/span>amount<\/span>);<\/span>\n        }<\/span>\n        <\/span>balance<\/span> <\/span>-=<\/span> <\/span>amount<\/span>;<\/span>\n    }<\/span>\n}<\/span>\n\npublic<\/span> <\/span>class<\/span> Main<\/span> {<\/span>\n    <\/span>public<\/span> <\/span>static<\/span> <\/span>void<\/span> <\/span>main<\/span>(<\/span>String<\/span>[]<\/span> <\/span>args<\/span>) {<\/span>\n        <\/span>Account<\/span> <\/span>acc<\/span> <\/span>=<\/span> <\/span>new<\/span> <\/span>Account<\/span>(<\/span>\"\u0410\u043d\u043d\u0430\"<\/span>, <\/span>10_000<\/span>);<\/span>\n        <\/span>acc<\/span>.<\/span>deposit<\/span>(<\/span>5_000<\/span>);<\/span>\n        <\/span>acc<\/span>.<\/span>withdraw<\/span>(<\/span>3_000<\/span>);<\/span>\n        <\/span>System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>acc<\/span>.<\/span>getOwner<\/span>() <\/span>+<\/span> <\/span>\": \"<\/span> <\/span>+<\/span> <\/span>acc<\/span>.<\/span>getBalance<\/span>());<\/span>\n\n        <\/span>try<\/span> {<\/span>\n            <\/span>acc<\/span>.<\/span>withdraw<\/span>(<\/span>25_000<\/span>);<\/span>\n        } <\/span>catch<\/span> (<\/span>IllegalStateException<\/span> <\/span>e<\/span>) {<\/span>\n            <\/span>System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u041e\u0442\u043a\u0430\u0437: \"<\/span> <\/span>+<\/span> <\/span>e<\/span>.<\/span>getMessage<\/span>());<\/span>\n        }<\/span>\n        <\/span>try<\/span> {<\/span>\n            <\/span>acc<\/span>.<\/span>deposit<\/span>(<\/span>-<\/span>100<\/span>);<\/span>\n        } <\/span>catch<\/span> (<\/span>IllegalArgumentException<\/span> <\/span>e<\/span>) {<\/span>\n            <\/span>System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u041e\u0442\u043a\u0430\u0437: \"<\/span> <\/span>+<\/span> <\/span>e<\/span>.<\/span>getMessage<\/span>());<\/span>\n        }<\/span>\n        <\/span>System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>acc<\/span>.<\/span>getOwner<\/span>() <\/span>+<\/span> <\/span>\": \"<\/span> <\/span>+<\/span> <\/span>acc<\/span>.<\/span>getBalance<\/span>());<\/span>\n    }<\/span>\n}<\/span><\/code><\/pre>\n
    \u0412\u044b\u0432\u043e\u0434:<\/p>\n
    \u0410\u043d\u043d\u0430: 12000\n\u041e\u0442\u043a\u0430\u0437: \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0441\u0440\u0435\u0434\u0441\u0442\u0432: \u0431\u0430\u043b\u0430\u043d\u0441 12000, \u0437\u0430\u043f\u0440\u043e\u0448\u0435\u043d\u043e 25000\n\u041e\u0442\u043a\u0430\u0437: amount <= 0: -100\n\u0410\u043d\u043d\u0430: 12000\n<\/code><\/pre>\n
    \u0427\u0442\u043e \u0438\u0437\u043c\u0435\u043d\u0438\u043b\u043e\u0441\u044c \u043f\u043e \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044e \u0441 \u0432\u0435\u0440\u0441\u0438\u0435\u0439 \u00ab\u0434\u043e\u00bb:<\/p>\n