{"id":64721,"date":"2025-05-03T10:04:59","date_gmt":"2025-05-03T02:04:59","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64721\/"},"modified":"2025-05-03T10:04:59","modified_gmt":"2025-05-03T02:04:59","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-3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64721\/","title":{"rendered":"Java\u4e2d\u7684System.exit(2)\uff1a\u5982\u4f55\u7406\u89e3\u5176\u542b\u4e49\u53ca\u5e94\u7528\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173069298359736.jpg\" class=\"aligncenter\" title=\"Java\u4e2d\u7684System.exit(2)\uff1a\u5982\u4f55\u7406\u89e3\u5176\u542b\u4e49\u53ca\u5e94\u7528\uff1f\u63d2\u56fe\" alt=\"Java\u4e2d\u7684System.exit(2)\uff1a\u5982\u4f55\u7406\u89e3\u5176\u542b\u4e49\u53ca\u5e94\u7528\uff1f\u63d2\u56fe\" \/><\/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<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/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>\u4e0e++\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>\u4e0e\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 [ $? -eq 0 ]; then\n  echo \"\u547d\u4ee4\u6b63\u5e38\u9000\u51fa\"\nelse\n  echo \"\u547d\u4ee4\u5f02\u5e38\u9000\u51fa\"\nfi<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728java\u4e2d\uff0csystem.exit(2)\u7684\u9000\u51fa\u72b6\u6001\u4ee3\u7801\u4e5f\u53ef\u4ee5\u901a\u8fc7$?\u53d8\u91cf\u83b7\u53d6\uff0c\u8fd9\u4f7f\u5f97java\u7a0b\u5e8f\u80fd\u591f\u4e0eshell\u811a\u672c\u4ea4\u4e92\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJava\u4e2d\u7684System.exit(2)\uff1a\u5982\u4f55\u7406\u89e3\u5176\u542b\u4e49\u53ca\u5e94\u7528\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java\u4e2dsystem.exit(2)\u7684\u542b\u4e49 \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 \u9000\u51fa\u72b6\u6001\u4ee3\u7801 \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 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b 0\uff1a\u6b63\u5e38\u9000\u51fa 1\uff1a\u4e2d\u65ad\u9000\u51fa 2\uff1a\u5f02\u5e38\u9000\u51fa \u4e0e++\u7684\u7c7b\u4f3c\u6027 \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 \u4e0e\u7684\u5173\u8054 \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 if [ $? -eq 0 ]; then echo &#8220;\u547d\u4ee4\u6b63\u5e38\u9000\u51fa&#8221; else echo &#8220;\u547d\u4ee4\u5f02\u5e38\u9000\u51fa&#8221; fi \u767b\u5f55\u540e\u590d\u5236 \u5728java\u4e2d\uff0csystem.exit(2)\u7684\u9000\u51fa\u72b6\u6001\u4ee3\u7801\u4e5f\u53ef\u4ee5\u901a\u8fc7$?\u53d8\u91cf\u83b7\u53d6\uff0c\u8fd9\u4f7f\u5f97java\u7a0b\u5e8f\u80fd\u591f\u4e0eshell\u811a\u672c\u4ea4\u4e92\u3002 \u4ee5\u4e0a\u5c31\u662fJava\u4e2d\u7684System.exit(2)\uff1a\u5982\u4f55\u7406\u89e3\u5176\u542b\u4e49\u53ca\u5e94\u7528\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-64721","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64721","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=64721"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64721\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64721"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64721"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64721"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}