{"id":203433,"date":"2025-05-22T13:50:56","date_gmt":"2025-05-22T05:50:56","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203433\/"},"modified":"2025-05-22T13:50:56","modified_gmt":"2025-05-22T05:50:56","slug":"java%e4%b8%ad%e7%9a%84system-exit2%ef%bc%9a%e5%a6%82%e4%bd%95%e7%90%86%e8%a7%a3%e5%85%b6%e5%90%ab%e4%b9%89%e5%8f%8a%e5%ba%94%e7%94%a8%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203433\/","title":{"rendered":"Java\u4e2d\u7684System.exit(2)\uff1a\u5982\u4f55\u7406\u89e3\u5176\u542b\u4e49\u53ca\u5e94\u7528\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java\u4e2d\u7684System.exit(2)\uff1a\u5982\u4f55\u7406\u89e3\u5176\u542b\u4e49\u53ca\u5e94\u7528\uff1f<\/h1>\n<p>\u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aJava\u4e2d\u7684System.exit(2)\uff1a\u5982\u4f55\u7406\u89e3\u5176\u542b\u4e49\u53ca\u5e94\u7528\uff1f\u300b<\/span>\u7684\u5185\u5bb9\u4e2d\u5c06\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u3002\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u77e5\u8bc6\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\uff0c\u4ee5\u540e\u4f1a\u7ed9\u5927\u5bb6\u5e26\u6765\u66f4\u591a<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u6587\u7ae0\uff0c\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u8fdb\u6b65\uff01\u4e0b\u9762\u5c31\u5f00\u59cb\u672c\u6587\u7684\u6b63\u5f0f\u5185\u5bb9~<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241108\/1731038628672d8da48a3f4.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>java\u4e2dsystem.exit(2)\u7684\u542b\u4e49<\/strong><\/p>\n<p>\u5728java\u4e2d\uff0csystem.exit(2)\u662f\u4e00\u4e2a\u7ec8\u6b62jvm\u5e76\u9000\u51fa\u5f53\u524d\u6b63\u5728\u8fd0\u884c\u7684java\u7a0b\u5e8f\u7684\u547d\u4ee4\u3002\u5b83\u7684\u6570\u5b57\u53c2\u6570\u6307\u5b9a\u9000\u51fa\u72b6\u6001\u4ee3\u7801\u3002<\/p>\n<p><strong>\u9000\u51fa\u72b6\u6001\u4ee3\u7801<\/strong><\/p>\n<p>\u9000\u51fa\u72b6\u6001\u4ee3\u7801\u662f\u4e00\u4e2a\u6574\u6570\uff0c\u7528\u4e8e\u6307\u793a\u7a0b\u5e8f\u9000\u51fa\u65f6\u7684\u72b6\u6001\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u8868\u793a\u7a0b\u5e8f\u662f\u5426\u6b63\u5e38\u9000\u51fa\uff0c\u6216\u8005\u662f\u5426\u53d1\u751f\u4e86\u9519\u8bef\u3002<\/p>\n<ul>\n<li><strong>0\uff1a<\/strong>\u6b63\u5e38\u9000\u51fa<\/li>\n<li><strong>1\uff1a<\/strong>\u4e2d\u65ad\u9000\u51fa<\/li>\n<li><strong>2\uff1a<\/strong>\u5f02\u5e38\u9000\u51fa<\/li>\n<\/ul>\n<p><strong>\u4e0ec++\u7684\u7c7b\u4f3c\u6027<\/strong><\/p>\n<p>\u5bf9\u4e8e\u719f\u6089c++\u7f16\u7a0b\u7684\u7528\u6237\uff0csystem.exit(2)\u7c7b\u4f3c\u4e8ec++\u4e2d\u7684return 0;\u3002\u5b83\u4eec\u90fd\u662f\u7528\u4e8e\u6307\u793a\u7a0b\u5e8f\u9000\u51fa\u65f6\u7684\u72b6\u6001\u3002<\/p>\n<p><strong>\u4e0eshell\u811a\u672c\u7684\u5173\u8054<\/strong><\/p>\n<p>\u5728shell\u811a\u672c\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528$?\u53d8\u91cf\u83b7\u53d6\u4e0a\u4e00\u6761\u547d\u4ee4\u6267\u884c\u540e\u7684\u9000\u51fa\u72b6\u6001\u4ee3\u7801\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\u4e0a\u4e00\u6761\u547d\u4ee4\u662f\u5426\u6b63\u5e38\u9000\u51fa\uff1a<\/p>\n<pre>if [ $? -eq 0 ]; then\n  echo \"\u547d\u4ee4\u6b63\u5e38\u9000\u51fa\"\nelse\n  echo \"\u547d\u4ee4\u5f02\u5e38\u9000\u51fa\"\nfi<\/pre>\n<p>\u5728java\u4e2d\uff0csystem.exit(2)\u7684\u9000\u51fa\u72b6\u6001\u4ee3\u7801\u4e5f\u53ef\u4ee5\u901a\u8fc7$?\u53d8\u91cf\u83b7\u53d6\uff0c\u8fd9\u4f7f\u5f97java\u7a0b\u5e8f\u80fd\u591f\u4e0eshell\u811a\u672c\u4ea4\u4e92\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u4e2d\u7684System.exi&#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-203433","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203433","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=203433"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203433\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203433"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}