{"id":202658,"date":"2025-05-22T08:41:05","date_gmt":"2025-05-22T00:41:05","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202658\/"},"modified":"2025-05-22T08:41:05","modified_gmt":"2025-05-22T00:41:05","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-java-%e4%b8%ad%e4%bb%8e%e5%bc%82%e5%b8%b8%e5%a0%86%e6%a0%88%e8%b7%9f%e8%b8%aa%e4%b8%ad%e8%8e%b7%e5%8f%96%e6%9c%89%e6%84%8f%e4%b9%89%e7%9a%84%e4%bf%a1%e6%81%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202658\/","title":{"rendered":"\u5982\u4f55\u5728 Java \u4e2d\u4ece\u5f02\u5e38\u5806\u6808\u8ddf\u8e2a\u4e2d\u83b7\u53d6\u6709\u610f\u4e49\u7684\u4fe1\u606f\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u5982\u4f55\u5728 Java \u4e2d\u4ece\u5f02\u5e38\u5806\u6808\u8ddf\u8e2a\u4e2d\u83b7\u53d6\u6709\u610f\u4e49\u7684\u4fe1\u606f\uff1f<\/h1>\n

\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404\u79cd\u7ecf\u5386\u548c\u5b9e\u6218\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u89e3\u51b3\u7ecf\u9a8c\u6574\u7406\u7684\uff0c\u5e0c\u671b\u8fd9\u7bc7\u300a\u5982\u4f55\u5728 Java \u4e2d\u4ece\u5f02\u5e38\u5806\u6808\u8ddf\u8e2a\u4e2d\u83b7\u53d6\u6709\u610f\u4e49\u7684\u4fe1\u606f\uff1f\u300b\u5bf9\u4f60\u6709\u5f88\u5927\u5e2e\u52a9\uff01\u6b22\u8fce\u6536\u85cf\uff0c\u5206\u4eab\u7ed9\u66f4\u591a\u7684\u9700\u8981\u7684\u670b\u53cb\u5b66\u4e60~<\/p>\n

\u8981\u4ece Java \u5f02\u5e38\u5806\u6808\u8ddf\u8e2a\u4e2d\u83b7\u53d6\u6709\u610f\u4e49\u7684\u4fe1\u606f\uff0c\u53ef\u4ee5\uff1a\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\u5e76\u8986\u76d6 printStackTrace() \u65b9\u6cd5\uff1b\u4f7f\u7528 Throwable.getStackTrace() \u65b9\u6cd5\u68c0\u7d22\u5806\u6808\u8ddf\u8e2a\u5143\u7d20\u5e76\u521b\u5efa\u81ea\u5b9a\u4e49\u8f93\u51fa\u3002<\/p>\n

<\/p>\n

\u5982\u4f55\u5728 Java \u4e2d\u4ece\u5f02\u5e38\u5806\u6808\u8ddf\u8e2a\u4e2d\u83b7\u53d6\u6709\u610f\u4e49\u7684\u4fe1\u606f<\/strong><\/p>\n

\u5f02\u5e38\u5806\u6808\u8ddf\u8e2a\u662f Java \u5f02\u5e38\u5904\u7406\u4e2d\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u5b83\u663e\u793a\u4e86\u5f02\u5e38\u53d1\u751f\u65f6\u7684\u8c03\u7528\u5806\u6808\u3002\u4f46\u662f\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5806\u6808\u8ddf\u8e2a\u96be\u4ee5\u9605\u8bfb\u548c\u7406\u89e3\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u81ea\u5b9a\u4e49\u5806\u6808\u8ddf\u8e2a\u4ee5\u83b7\u53d6\u66f4\u6613\u4e8e\u5206\u6790\u7684\u4fe1\u606f\u3002<\/p>\n

\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b<\/strong><\/p>\n

\u4e3a\u4e86\u81ea\u5b9a\u4e49\u5806\u6808\u8ddf\u8e2a\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6269\u5c55 Throwable<\/code> \u7c7b\u6216\u5176\u5b50\u7c7b\uff08\u4f8b\u5982 Exception<\/code>\uff09\u6765\u5b9e\u73b0\u6b64\u76ee\u7684\u3002\u5728\u81ea\u5b9a\u4e49\u7c7b\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u8986\u76d6 printStackTrace()<\/code> \u65b9\u6cd5\u5e76\u6309\u7167\u6211\u4eec\u7684\u9700\u8981\u81ea\u5b9a\u4e49\u8f93\u51fa\u3002<\/p>\n

public class CustomException extends Exception {\n\n    @Override\n    public void printStackTrace() {\n        \/\/ \u81ea\u5b9a\u4e49\u6253\u5370\u5806\u6808\u8ddf\u8e2a\n        System.out.println(\"\u81ea\u5b9a\u4e49\u5f02\u5e38\u4fe1\u606f...\");\n        super.printStackTrace();\n    }\n}<\/pre>\n
\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a divide()<\/code> \u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u5728\u9664\u6570\u4e3a 0 \u65f6\u4f1a\u629b\u51fa ArithmeticException<\/code>\u3002<\/p>\n
public int divide(int a, int b) {\n    if (b == 0) {\n        throw new ArithmeticException(\"\u9664\u6570\u4e0d\u80fd\u4e3a 0\");\n    }\n    return a \/ b;\n}<\/pre>\n
\u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u4f7f\u7528\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\u6765\u66ff\u6362 ArithmeticException<\/code>\u3002<\/p>\n
public class DivisionException extends ArithmeticException {\n\n    @Override\n    public void printStackTrace() {\n        System.out.println(\"\u9664\u6570\u4e0d\u80fd\u4e3a 0\");\n        super.printStackTrace();\n    }\n}<\/pre>\n
\u5728 divide()<\/code> \u65b9\u6cd5\u4e2d\uff0c\u6211\u4eec\u5c06\u629b\u51fa DivisionException<\/code>\u3002<\/p>\n
public int divide(int a, int b) {\n    if (b == 0) {\n        throw new DivisionException();\n    }\n    return a \/ b;\n}<\/pre>\n
\u5f53\u6211\u4eec\u8c03\u7528 divide()<\/code> \u65b9\u6cd5\u65f6\uff0c\u5982\u679c\u9664\u6570\u4e3a 0\uff0c\u5c31\u4f1a\u6253\u5370\u81ea\u5b9a\u4e49\u5f02\u5e38\u6d88\u606f\uff0c\u5373\u4f7f\u5728\u5806\u6808\u8ddf\u8e2a\u4e2d\u4e5f\u662f\u5982\u6b64\u3002<\/p>\n
Exception in thread \"main\" DivisionException: \u9664\u6570\u4e0d\u80fd\u4e3a 0\nat <clinit>(Main.java:12)\nat Main.divide(Main.java:4)\nat Main.main(Main.java:17)<\/pre>\n
\u4f7f\u7528 Throwable.getStackTrace()<\/code><\/strong><\/p>\n
\u9664\u4e86\u4f7f\u7528\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\u4e4b\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528 Throwable.getStackTrace()<\/code> \u65b9\u6cd5\u6765\u68c0\u7d22\u5806\u6808\u8ddf\u8e2a\u5143\u7d20\u7684\u6570\u7ec4\u3002\u8fd9\u4e9b\u5143\u7d20\u5305\u542b\u6709\u5173\u8c03\u7528\u65b9\u6cd5\u7684\u4fe1\u606f\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6b64\u4fe1\u606f\u6765\u521b\u5efa\u81ea\u5b9a\u4e49\u5806\u6808\u8ddf\u8e2a\u8f93\u51fa\u3002<\/p>\n
\/\/ \u4ece\u5f02\u5e38\u4e2d\u63d0\u53d6\u5806\u6808\u8ddf\u8e2a\nStackTraceElement[] stackTrace = exception.getStackTrace();\n\n\/\/ \u904d\u5386\u5806\u6808\u8ddf\u8e2a\u5143\u7d20\u5e76\u6253\u5370\u81ea\u5b9a\u4e49\u4fe1\u606f\nfor (StackTraceElement element : stackTrace) {\n    System.out.println(element.toString());\n}<\/pre>\n
\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9b\u6280\u5de7\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u4ece\u5f02\u5e38\u5806\u6808\u8ddf\u8e2a\u4e2d\u63d0\u53d6\u6709\u610f\u4e49\u7684\u4fe1\u606f\uff0c\u4ece\u800c\u4f7f\u5f02\u5e38\u5904\u7406\u66f4\u52a0\u5bb9\u6613\u548c\u9ad8\u6548\u3002<\/p>\n
\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300a\u5982\u4f55\u5728 Java \u4e2d\u4ece\u5f02\u5e38\u5806\u6808\u8ddf\u8e2a\u4e2d\u83b7\u53d6\u6709\u610f\u4e49\u7684\u4fe1\u606f\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8ejava,\u5f02\u5e38\u5904\u7406\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u5728 Java \u4e2d\u4ece\u5f02\u5e38\u5806\u6808\u8ddf...<\/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-202658","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202658","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=202658"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202658\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202658"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202658"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}