{"id":203641,"date":"2025-05-22T09:39:20","date_gmt":"2025-05-22T01:39:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203641\/"},"modified":"2025-05-22T09:39:20","modified_gmt":"2025-05-22T01:39:20","slug":"java-%e4%b8%ad%e7%9a%84-system-exit2-%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%8c%e5%ae%83%e4%b8%8e-c-%e4%b8%ad%e7%9a%84-return-0-%e6%9c%89%e4%bb%80%e4%b9%88%e5%8c%ba%e5%88%ab%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203641\/","title":{"rendered":"Java \u4e2d\u7684 System.exit(2) \u662f\u4ec0\u4e48\uff0c\u5b83\u4e0e C++ \u4e2d\u7684 return 0; \u6709\u4ec0\u4e48\u533a\u522b\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java \u4e2d\u7684 System.exit(2) \u662f\u4ec0\u4e48\uff0c\u5b83\u4e0e C++ \u4e2d\u7684 return 0; \u6709\u4ec0\u4e48\u533a\u522b\uff1f <\/h1>\n<p>\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300aJava \u4e2d\u7684 System.exit(2) \u662f\u4ec0\u4e48\uff0c\u5b83\u4e0e C++ \u4e2d\u7684 return 0; \u6709\u4ec0\u4e48\u533a\u522b\uff1f \u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241115\/17316596266737076ab8a9c.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Java\u4e2d\u7684System.exit(2)\uff1a\u6d41\u7a0b\u7ec8\u6b62\u6807\u5fd7<\/strong><\/p>\n<p>\u4e0eC++\u4e2d\u7684return 0;\u7c7b\u4f3c\uff0cJava\u4e2d\u7684System.exit(2);\u7528\u4e8e\u8868\u793a\u8fdb\u7a0b\u7684\u7ed3\u675f\u3002\u5b83\u662f\u4e00\u4e2a\u7528\u6765\u9000\u51faJVM\uff08Java\u865a\u62df\u673a\uff09\u7684\u547d\u4ee4\uff0c\u5176\u4e2d\u62ec\u53f7\u5185\u7684\u6570\u5b57\u4ee3\u8868\u4e00\u4e2a\u9000\u51fa\u4ee3\u7801\u3002<\/p>\n<p><strong>\u9000\u51fa\u4ee3\u7801\u7684\u542b\u4e49<\/strong><\/p>\n<ul>\n<li>0\uff1a\u6b63\u5e38\u9000\u51fa\uff0c\u6ca1\u6709\u53d1\u751f\u4efb\u4f55\u9519\u8bef\u6216\u5f02\u5e38\u3002<\/li>\n<li>\u6b63\u6570\uff1a\u7279\u5b9a\u9519\u8bef\u6216\u5f02\u5e38\u7684\u6307\u793a\u7b26\u3002\u4f8b\u5982\uff0c2\u53ef\u80fd\u8868\u793a\u5e94\u7528\u7a0b\u5e8f\u9047\u5230\u5f02\u5e38\u60c5\u51b5\u3002<\/li>\n<li>\u8d1f\u6570\uff1a\u7531\u64cd\u4f5c\u7cfb\u7edf\u4fdd\u7559\uff0c\u8868\u793a\u7cfb\u7edf\u9519\u8bef\u3002<\/li>\n<\/ul>\n<p><strong>\u4f7f\u7528\u65b9\u6cd5<\/strong><\/p>\n<p>System.exit(2);\u8bed\u53e5\u5c06\u7acb\u5373\u7ec8\u6b62\u6b63\u5728\u8fd0\u884c\u7684\u7a0b\u5e8f\u3002\u5b83\u53ef\u4ee5\u653e\u7f6e\u5728\u4ee3\u7801\u7684\u4efb\u4f55\u4f4d\u7f6e\uff0c\u4f46\u901a\u5e38\u5728\u4e3b\u65b9\u6cd5\u7684\u672b\u5c3e\uff0c\u4ee5\u5728\u5904\u7406\u5b8c\u6240\u6709\u4efb\u52a1\u540e\u5173\u95ed\u7a0b\u5e8f\u3002<\/p>\n<p><strong>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff1a<\/strong><\/p>\n<ul>\n<li>System.exit\u65b9\u6cd5\u4e0d\u4f1a\u6267\u884c\u4efb\u4f55\u6e05\u7406\u5de5\u4f5c\uff0c\u4f8b\u5982\u5173\u95ed\u6587\u4ef6\u6216\u91ca\u653e\u8d44\u6e90\u3002<\/li>\n<li>\u672a\u6355\u83b7\u7684\u5f02\u5e38\u4e0d\u4f1a\u5bfc\u81f4System.exit\u88ab\u81ea\u52a8\u8c03\u7528\uff0c\u56e0\u6b64\u5fc5\u987b\u660e\u786e\u5730\u8c03\u7528\u5b83\u4ee5\u9000\u51fa\u5e94\u7528\u7a0b\u5e8f\u3002<\/li>\n<li>System.exit\u629b\u51faSecurityException\u53ea\u8bfb\u6587\u4ef6\u88ab\u66f4\u6539\u4e3a\u53ef\u5199\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<p>\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aJava \u4e2d\u7684 System.exit(2) \u662f\u4ec0\u4e48\uff0c\u5b83\u4e0e C++ \u4e2d\u7684 return 0; \u6709\u4ec0\u4e48\u533a\u522b\uff1f \u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6587\u7ae0\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java \u4e2d\u7684 System.e&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-203641","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203641","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=203641"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203641\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203641"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203641"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}