{"id":66415,"date":"2023-12-19T03:40:11","date_gmt":"2023-12-18T19:40:11","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=66415"},"modified":"2023-12-19T03:40:28","modified_gmt":"2023-12-18T19:40:28","slug":"java%e8%87%aa%e5%ae%9a%e4%b9%89%e5%bc%82%e5%b8%b8%e5%ba%94%e7%bb%a7%e6%89%bfexception%e8%bf%98%e6%98%afruntime-exception%ef%bc%8c%e4%b8%ba%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/66415.html","title":{"rendered":"Java\u81ea\u5b9a\u4e49\u5f02\u5e38\u5e94\u7ee7\u627fException\u8fd8\u662fRuntime Exception\uff0c\u4e3a\u4ec0\u4e48"},"content":{"rendered":"\n
\n

Java\u81ea\u5b9a\u4e49\u5f02\u5e38\uff0c\u5e94\u8be5\u7ee7\u627fException\u3002\u539f\u56e0\uff1a1. \u5f02\u5e38\u5c42\u6b21\u7ed3\u6784\u7684\u89c4\u8303\u6027\uff1b2. \u7f16\u8bd1\u65f6\u5f02\u5e38\u7684\u5f3a\u5236\u5904\u7406\uff1b3. \u660e\u786e\u5f02\u5e38\u5904\u7406\u8d23\u4efb\uff1b4. \u5f02\u5e38\u6587\u6863\u5316\u548c\u53ef\u8bfb\u6027\uff1b5. \u56e2\u961f\u534f\u4f5c\u548c\u89c4\u8303\uff1b6. \u5f02\u5e38\u5206\u7c7b\u548c\u4f18\u5316\u3002Java\u7684\u5f02\u5e38\u7c7b\u4f53\u7cfb\u4e2d\uff0cException<\/code>\u662f\u6240\u6709\u53d7\u68c0\u67e5\u5f02\u5e38\u7684\u6839\u7c7b\u3002<\/p>\n<\/blockquote>\n\n\n\n

\u4e00\u3001Java\u81ea\u5b9a\u4e49\u5f02\u5e38\uff0c\u5e94\u8be5\u7ee7\u627f\u4ec0\u4e48 <\/h2>\n\n\n\n

\u5728Java\u4e2d\uff0c\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\u901a\u5e38\u5e94\u8be5\u7ee7\u627f\u81eaException<\/code>\u7c7b\u6216\u5176\u5b50\u7c7b\uff0c\u800c\u4e0d\u662f\u7ee7\u627f\u81eaRuntimeException<\/code>\u7c7b\u3002\u8fd9\u662f\u56e0\u4e3aException<\/code>\u53ca\u5176\u5b50\u7c7b\u5c5e\u4e8e\u53d7\u68c0\u67e5\u5f02\u5e38\uff08Checked Exception\uff09\uff0c\u800cRuntimeException<\/code>\u53ca\u5176\u5b50\u7c7b\u5c5e\u4e8e\u975e\u53d7\u68c0\u67e5\u5f02\u5e38\uff08Unchecked Exception\uff09\u3002<\/p>\n\n\n\n

\u4e8c\u3001\u539f\u56e0<\/h2>\n\n\n\n

1. \u5f02\u5e38\u5c42\u6b21\u7ed3\u6784\u7684\u89c4\u8303\u6027<\/h3>\n\n\n\n

Java\u7684\u5f02\u5e38\u7c7b\u4f53\u7cfb\u4e2d\uff0cException<\/code>\u662f\u6240\u6709\u53d7\u68c0\u67e5\u5f02\u5e38\u7684\u6839\u7c7b\u3002\u901a\u8fc7\u7ee7\u627fException<\/code>\uff0c\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\u7b26\u5408Java\u5f02\u5e38\u5c42\u6b21\u7ed3\u6784\u7684\u89c4\u8303\u3002\u89c4\u8303\u6027\u7684\u5c42\u6b21\u7ed3\u6784\u4f7f\u5f97\u5f02\u5e38\u7684\u7ec4\u7ec7\u548c\u7ba1\u7406\u66f4\u52a0\u6709\u5e8f\uff0c\u6709\u52a9\u4e8e\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u5728Java\u4e2d\uff0c\u53d7\u68c0\u67e5\u5f02\u5e38\u662f\u4e00\u79cd\u6709\u660e\u786e\u8bed\u6cd5\u89c4\u5b9a\u7684\u5f02\u5e38\uff0c\u5b83\u8981\u6c42\u5728\u65b9\u6cd5\u58f0\u660e\u4e2d\u663e\u5f0f\u5904\u7406\u6216\u58f0\u660e\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n

2. \u7f16\u8bd1\u65f6\u5f02\u5e38\u7684\u5f3a\u5236\u5904\u7406<\/h3>\n\n\n\n

Exception<\/code>\u53ca\u5176\u5b50\u7c7b\u5c5e\u4e8e\u53d7\u68c0\u67e5\u5f02\u5e38\uff0c\u8fd9\u610f\u5473\u7740\u5728\u7f16\u5199\u4ee3\u7801\u65f6\uff0c\u7f16\u8bd1\u5668\u4f1a\u5f3a\u5236\u8981\u6c42\u5904\u7406\u8fd9\u4e9b\u5f02\u5e38\u3002\u8fd9\u79cd\u5f3a\u5236\u5904\u7406\u673a\u5236\u6709\u52a9\u4e8e\u7a0b\u5e8f\u5458\u5728\u7f16\u7801\u65f6\u8003\u8651\u5f02\u5e38\u60c5\u51b5\uff0c\u53ca\u65f6\u505a\u51fa\u9002\u5f53\u7684\u5904\u7406\u3002\u901a\u8fc7\u7ee7\u627fException<\/code>\uff0c\u81ea\u5b9a\u4e49\u5f02\u5e38\u4e5f\u80fd\u591f\u53d7\u5230\u8fd9\u79cd\u5f3a\u5236\u5904\u7406\u673a\u5236\u7684\u7ea6\u675f\uff0c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u5065\u58ee\u6027\u3002<\/p>\n\n\n\n

3. \u660e\u786e\u5f02\u5e38\u5904\u7406\u8d23\u4efb<\/h3>\n\n\n\n

\u7ee7\u627fException<\/code>\u7684\u81ea\u5b9a\u4e49\u5f02\u5e38\u5f3a\u8c03\u4e86\u5f02\u5e38\u5904\u7406\u7684\u660e\u786e\u8d23\u4efb\u3002\u5728Java\u4e2d\uff0c\u53d7\u68c0\u67e5\u5f02\u5e38\u901a\u5e38\u662f\u7531\u7a0b\u5e8f\u5458\u80fd\u591f\u9884\u6d4b\u5e76\u901a\u8fc7\u7f16\u7801\u8fdb\u884c\u5904\u7406\u7684\u5f02\u5e38\u60c5\u51b5\u3002\u901a\u8fc7\u7ee7\u627fException<\/code>\uff0c\u81ea\u5b9a\u4e49\u5f02\u5e38\u7684\u8bbe\u8ba1\u5c31\u66f4\u7b26\u5408\u5f02\u5e38\u5904\u7406\u7684\u8d23\u4efb\u5212\u5206\u539f\u5219\uff0c\u4f7f\u5f97\u7a0b\u5e8f\u5458\u80fd\u591f\u66f4\u6e05\u6670\u5730\u4e86\u89e3\u4f55\u65f6\u4ee5\u53ca\u5982\u4f55\u5904\u7406\u5f02\u5e38\u3002<\/p>\n\n\n\n

4. \u5f02\u5e38\u6587\u6863\u5316\u548c\u53ef\u8bfb\u6027<\/h3>\n\n\n\n

\u53d7\u68c0\u67e5\u5f02\u5e38\u901a\u5e38\u662fAPI\u7684\u4e00\u90e8\u5206\uff0c\u800cAPI\u662f\u5bf9\u5916\u63d0\u4f9b\u7684\u63a5\u53e3\u3002\u7ee7\u627fException<\/code>\u7684\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\u5728API\u4e2d\u66f4\u5177\u6587\u6863\u5316\u7684\u7279\u6027\uff0c\u56e0\u4e3a\u8fd9\u6837\u7684\u5f02\u5e38\u4f1a\u5728\u65b9\u6cd5\u7b7e\u540d\u4e2d\u663e\u5f0f\u5730\u5217\u51fa\u3002\u8fd9\u6709\u52a9\u4e8e\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff0c\u4f7f\u5f97\u4f7f\u7528\u8005\u80fd\u591f\u66f4\u5bb9\u6613\u7406\u89e3\u4f55\u65f6\u9700\u8981\u5904\u7406\u5f02\u5e38\uff0c\u4ece\u800c\u63d0\u5347\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n\n\n\n

5. \u56e2\u961f\u534f\u4f5c\u548c\u89c4\u8303<\/h3>\n\n\n\n

\u5728\u5927\u578b\u9879\u76ee\u4e2d\uff0c\u591a\u4eba\u534f\u4f5c\u662f\u5e38\u6001\u3002\u91c7\u7528\u4e00\u81f4\u7684\u5f02\u5e38\u5904\u7406\u89c4\u8303\u53ef\u4ee5\u51cf\u5c11\u56e2\u961f\u6210\u5458\u4e4b\u95f4\u7684\u6df7\u6dc6\u548c\u8bef\u89e3\u3002\u7ee7\u627fException<\/code>\u7684\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\u7b26\u5408Java\u5f02\u5e38\u5904\u7406\u7684\u4e00\u822c\u89c4\u8303\uff0c\u6709\u52a9\u4e8e\u56e2\u961f\u5185\u90e8\u5728\u5f02\u5e38\u5904\u7406\u65b9\u9762\u8fbe\u6210\u5171\u8bc6\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u4e00\u81f4\u6027\u3002<\/p>\n\n\n\n

6. \u5f02\u5e38\u5206\u7c7b\u548c\u4f18\u5316<\/h3>\n\n\n\n

Exception<\/code>\u7c7b\u53ca\u5176\u6d3e\u751f\u7c7b\u63d0\u4f9b\u4e86\u591a\u79cd\u7ec6\u5206\u7684\u5f02\u5e38\u7c7b\u578b\uff0c\u4f8b\u5982IOException<\/code>\u3001SQLException<\/code>\u7b49\u3002\u901a\u8fc7\u7ee7\u627fException<\/code>\uff0c\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\u53ef\u4ee5\u66f4\u5177\u4f53\u5730\u5206\u7c7b\u5f02\u5e38\uff0c\u4f7f\u5f97\u5f02\u5e38\u5904\u7406\u66f4\u52a0\u6709\u9488\u5bf9\u6027\u3002\u8fd9\u6837\u7684\u5206\u7c7b\u548c\u4f18\u5316\u6709\u52a9\u4e8e\u66f4\u7cbe\u51c6\u5730\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u7684\u5f02\u5e38\u60c5\u51b5\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u5bb9\u9519\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n

\"Java\u81ea\u5b9a\u4e49\u5f02\u5e38\u5e94\u7ee7\u627fException\u8fd8\u662fRuntime<\/p>\n\n\n\n

\u5e38\u89c1\u95ee\u7b54\uff1a<\/strong><\/p>\n\n\n\n

    \n
  • \u95ee\uff1a\u4ec0\u4e48\u662fJava\u81ea\u5b9a\u4e49\u5f02\u5e38\uff1f<\/li>\n\n\n\n
  • \u7b54\uff1aJava\u81ea\u5b9a\u4e49\u5f02\u5e38\u662f\u6307\u5728Java\u4e2d\uff0c\u7a0b\u5e8f\u5458\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u8981\u521b\u5efa\u7684\u5f02\u5e38\u7c7b\u578b\u3002\u4e0eJava\u5185\u7f6e\u7684\u5f02\u5e38\u4e0d\u540c\uff0c\u81ea\u5b9a\u4e49\u5f02\u5e38\u5141\u8bb8\u5f00\u53d1\u8005\u6839\u636e\u5177\u4f53\u4e1a\u52a1\u9700\u6c42\u6216\u7a0b\u5e8f\u903b\u8f91\u5b9a\u4e49\u66f4\u52a0\u5177\u4f53\u3001\u6709\u9488\u5bf9\u6027\u7684\u5f02\u5e38\u4fe1\u606f\u3002<\/li>\n<\/ul>\n\n\n\n
      \n
    • \u95ee\uff1a\u5982\u4f55\u521b\u5efaJava\u81ea\u5b9a\u4e49\u5f02\u5e38\uff1f<\/li>\n\n\n\n
    • \u7b54\uff1a\u521b\u5efaJava\u81ea\u5b9a\u4e49\u5f02\u5e38\u901a\u5e38\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u7c7b\uff0c\u8be5\u7c7b\u7ee7\u627f\u81eaException<\/code>\u7c7b\u6216\u5176\u5b50\u7c7b\u3002\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\u901a\u5e38\u5305\u542b\u6784\u9020\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u63d0\u4f9b\u4e0d\u540c\u7684\u6784\u9020\u65b9\u6cd5\uff0c\u4ee5\u4fbf\u5728\u629b\u51fa\u5f02\u5e38\u65f6\u63d0\u4f9b\u66f4\u591a\u4fe1\u606f\u3002<\/li>\n<\/ul>\n\n\n\n
        \n
      • \u95ee\uff1a\u5728\u7a0b\u5e8f\u4e2d\u5982\u4f55\u4f7f\u7528Java\u81ea\u5b9a\u4e49\u5f02\u5e38\uff1f<\/li>\n\n\n\n
      • \u7b54\uff1a\u5728\u7a0b\u5e8f\u4e2d\u4f7f\u7528Java\u81ea\u5b9a\u4e49\u5f02\u5e38\u65f6\uff0c\u53ef\u4ee5\u5728\u53ef\u80fd\u5f15\u53d1\u5f02\u5e38\u7684\u5730\u65b9\u4f7f\u7528throw<\/code>\u8bed\u53e5\u629b\u51fa\u81ea\u5b9a\u4e49\u5f02\u5e38\u7684\u5b9e\u4f8b\u3002\u6355\u83b7\u65b9\u53ef\u4ee5\u901a\u8fc7try-catch<\/code>\u5757\u6765\u5904\u7406\u81ea\u5b9a\u4e49\u5f02\u5e38\uff0c\u4ee5\u4fbf\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\u6216\u8bb0\u5f55\u5f02\u5e38\u4fe1\u606f\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"Java\u81ea\u5b9a\u4e49\u5f02\u5e38\uff0c\u5e94\u8be5\u7ee7\u627fException\u3002\u539f\u56e0\uff1a1. \u5f02\u5e38\u5c42\u6b21\u7ed3\u6784\u7684\u89c4\u8303\u6027\uff1b2. \u7f16\u8bd1\u65f6\u5f02\u5e38\u7684\u5f3a\u5236\u5904\u7406\uff1b […]","protected":false},"author":4,"featured_media":66418,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[3940,3941,367],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/66415"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=66415"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/66415\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/66418"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=66415"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=66415"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=66415"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}