{"id":1430,"date":"2024-04-14T00:37:40","date_gmt":"2024-04-13T16:37:40","guid":{"rendered":"http:\/\/zyg.luchers.cn\/?p=1430"},"modified":"2024-04-14T00:37:40","modified_gmt":"2024-04-13T16:37:40","slug":"%e5%bc%82%e5%b8%b8","status":"publish","type":"post","link":"http:\/\/zyg.luchers.cn\/index.php\/2024\/04\/14\/%e5%bc%82%e5%b8%b8\/","title":{"rendered":"\u5f02\u5e38"},"content":{"rendered":"

\u7b2c\u5341\u7ae0\u3001\u5f02\u5e38<\/h1>\n

\u4f5c\u7528\uff1a\u7a0b\u5e8f\u51fa\u95ee\u9898\uff0c\u5f02\u5e38\u5305\u7740\u53ef\u4ee5\u7ee7\u7eed\u6267\u884c\uff0c\u4e0d\u4f1a\u505c\u6b62\u8fd0\u884c<\/p>\n

1\u3001\u5f02\u5e38\u4ecb\u7ecd<\/h2>\n

1.1\u3001\u57fa\u672c\u6982\u5ff5<\/h3>\n

java\u8bed\u6cd5\u4e2d\uff0c\u5c06\u7a0b\u5e8f\u6267\u884c\u4e2d\u53d1\u751f\u7684\u4e0d\u6b63\u786e\u60c5\u51b5\u79f0\u4e3a\u201c\u5f02\u5e38\u201d\u3002\uff08\u8bed\u6cd5\u548c\u903b\u8f91\u9519\u8bef\u4e0d\u662f\u5f02\u5e38\uff09<\/p>\n

1.2\u3001\u5f02\u5e38\u5206\u4e3a\u4e24\u7c7b<\/h3>\n

1\u3001Error\uff08\u9519\u8bef\uff09\uff1ajava\u865a\u62df\u673a\u65e0\u6cd5\u89e3\u51b3\u7684\u4e25\u91cd\u95ee\u9898\uff08\u7a0b\u5e8f\u4f1a\u5954\u6e83\uff09<\/p>\n

\uff081\uff09eg\uff1aJVM\u7cfb\u7edf\u5185\u90e8\u9519\u8bef\uff0c\u8d44\u4ea7\u8017\u5c3d\uff0c\u6808\u6ea2\u51fa<\/p>\n

2\u3001Exception\uff1a\u5176\u4ed6\u56e0\u7f16\u7a0b\u9519\u8bef\u6216\u5076\u7136\u7684\u5916\u5728\u56e0\u7d20\u5bfc\u81f4\u4e00\u822c\u6027\u95ee\u9898\uff0c\u53ef\u4ee5\u9488\u5bf9\u6027\u7684\u4ee3\u7801\u8fdb\u884c\u5904\u7406\uff08\u4f8b\u5982\u7a7a\u6307\u9488\u5f02\u5e38\uff0c\u7f51\u7edc\u8fde\u63a5\uff09
\n\uff081\uff09Exception\u5206\u4e3a\u4e24\u5927\u7c7b
\n\u2460\u8fd0\u884c\u65f6\u5f02\u5e38<\/p>\n

\u200b \u2461\u7f16\u8bd1\u65f6\u5f02\u5e38<\/p>\n

1.3\u3001\u5f02\u5e38\u4f53\u7cfb\u56fe<\/h3>\n

\"\"<\/div><\/p>\n

\"\"<\/div><\/p>\n

1\u3001\u5e38\u89c1\u7684\u8fd0\u884c\u65f6\u5f02\u5e38<\/h4>\n

1\u3001NullPointerException\uff1a\u7a7a\u6307\u9488\u5f02\u5e38<\/p>\n

\uff081\uff09\u5f53\u5e94\u7528\u7a0b\u5e8f\u8bd5\u56fe\u5728\u9700\u8981\u5bf9\u8c61\u7684\u5730\u65b9\u4f7f\u7528null\u65f6\uff0c\u629b\u5f02\u5e38<\/p>\n

2\u3001ArithmeticException\uff1a\u6570\u5b66\u8fd0\u7b97\u5f02\u5e38 <\/p>\n

\uff081\uff09\u5f02\u5e38\u7684\u8fd0\u7b97\u6761\u4ef6\u3002eg\uff1a\u9664\u6570\u4e3a0<\/p>\n

3\u3001ArrayIndexOutOfBoundsException\uff1a\u6570\u7ec4\u4e0b\u6807\u8d8a\u754c\u5f02\u5e38<\/p>\n

\uff081\uff09\u975e\u6cd5\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\uff0c\u7d22\u5f15\u4e0b\u6807\u8d85\u8fc7\u8303\u56f4\u3002<\/p>\n

4\u3001ClassCastException\uff1a\u7c7b\u578b\u8f6c\u6362\u5f02\u5e38 <\/p>\n

\uff081\uff09\u8bd5\u56fe\u5c06\u5bf9\u8c61\u5f3a\u5236\u8f6c\u6362\u4e3a\u4e0d\u662f\u5b9e\u4f8b\u7684\u5b50\u7c7b<\/p>\n

5\u3001NumberFormatException\uff1a\u6570\u5b57\u683c\u5f0f\u4e0d\u6b63\u786e\u5f02\u5e38<\/p>\n

\uff081\uff09\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6570\u5b57\u7c7b\u578b\uff0c\u4f46\u662f\u5b57\u7b26\u4e32\u4e0d\u80fd\u8f6c\u6362\u4e3a\u5408\u9002\u7684\u6570\u5b57\uff0c\u629b\u51fa\u5f02\u5e38\u3002<\/p>\n

2\u3001\u7f16\u8bd1\u5f02\u5e38<\/h4>\n

1\u3001\u4ecb\u7ecd<\/p>\n

\uff081\uff09\u7406\u89e3\uff1a\u7f16\u8bd1\u671f\u95f4\uff0c\u5fc5\u987b\u5904\u7406\u7684\u5f02\u5e38\uff0c\u5426\u5219\u4e0d\u901a\u8fc7<\/p>\n

2\u3001\u5e38\u89c1\u7684\u7f16\u8bd1\u5f02\u5e38<\/p>\n

\uff081\uff09SQLException\uff1a\u64cd\u4f5c\u6570\u636e\u5e93\u65f6\uff0c\u67e5\u8be2\u8868\u53ef\u80fd\u53d1\u751f\u5f02\u5e38<\/p>\n

\uff082\uff09IOException\uff1a\u6587\u4ef6\u64cd\u4f5c\u65f6\uff0c\u53d1\u751f\u7684\u5f02\u5e38<\/p>\n

\uff083\uff09FileNotFoundException\uff1a\u6587\u4ef6\u4e0d\u5b58\u5728\u53d1\u751f\u5f02\u5e38<\/p>\n

\uff084\uff09ClassNotFoundException\uff1a\u52a0\u8f7d\u7c7b\uff0c\u7c7b\u4e0d\u5b58\u5728\u65f6\uff0c\u5f02\u5e38<\/p>\n

\uff085\uff09EoFException\uff1a\u64cd\u4f5c\u6587\u4ef6\uff0c\u5230\u6587\u4ef6\u672b\u5c3e\uff0c\u53d1\u751f\u5f02\u5e38<\/p>\n

\uff086\uff09IIIegalArguementException\uff1a\u53c2\u6570\u5f02\u5e38<\/p>\n

1.4\u3001\u5f02\u5e38\u5904\u7406<\/h3>\n

1\u3001\u57fa\u672c\u4ecb\u7ecd<\/h4>\n

1\u3001\u5f02\u5e38\u5904\u7406\u7684\u65b9\u5f0f<\/p>\n

2\u3001\u5f02\u5e38\u5904\u7406\u7684\u65b9\u5f0f<\/h4>\n

3\u3001try-catch-finally<\/h4>\n

1\u3001\u7a0b\u5e8f\u5458\u5728\u4ee3\u7801\u4e2d\u6355\u83b7\u53d1\u751f\u7684\u5f02\u5e38\uff0c\u81ea\u884c\u5904\u7406<\/p>\n

2\u3001\u793a\u610f\u56fe\uff1a
\n

\"\"<\/div><\/p>\n

3\u3001\u57fa\u672c\u8bed\u6cd5<\/p>\n

4\u3001\u2623\u2694try-catch\u5f02\u5e38\u5904\u7406\u6ce8\u610f\u4e8b\u9879<\/h4>\n

\uff081\uff09\u5982\u679c\u53d1\u751f\u5f02\u5e38\uff0c\u5f02\u5e38\u540e\u7684\uff08try\u5185\uff09\u7684\u4ee3\u7801\u4e0d\u4f1a\u6267\u884c\uff0c\u76f4\u63a5\u8fdb\u5165\u6253catch\u4e2d<\/p>\n

\uff082\uff09\u5982\u679c\u6ca1\u6709\u5f02\u5e38\uff0c\u5219\u6267\u884ctry\u5185\u4ee3\u7801\uff0c\u4e0d\u6267\u884ccatch<\/p>\n

\uff083\uff09\u5982\u679c\u4e0d\u7ba1\u6709\u6ca1\u6709\u5f02\u5e38\u90fd\u8981\u6267\u884c\u7684\u4ee3\u7801\uff0c\u53ef\u4ee5\u653e\u5230-finally\u4e2d\u3002<\/p>\n

\uff084\uff09\u2757try\u4ee3\u7801\u5757\u6709\u591a\u4e2a\u5f02\u5e38\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u4e2acatch\u6355\u83b7\u4e0d\u540c\u5f02\u5e38\u8fdb\u884c\u5904\u7406\uff0c\u8981\u6c42\u5b50\u7c7b\u5f02\u5e38\u5199\u5728\u524d\u9762\uff0c\u7236\u7c7b\u5f02\u5e38\u5199\u5728\u540e\u9762<\/strong><\/p>\n

\uff085\uff09\u5141\u8bb8\u6709try-finally\u914d\u5408\uff0c\u53ef\u4ee5\u4e0d\u4f7f\u7528catch\uff0c\u76f8\u5f53\u4e8e\u6ca1\u6709\u6355\u83b7\u5f02\u5e38\uff0c\u7a0b\u5e8f\u4f1a\u6302\u6389<\/strong><\/p>\n

\u200b \u2460\u5e94\u7528\u573a\u666f\u6709\uff1a\u6267\u884c\u4e00\u6bb5\u4ee3\u7801\uff0c\u4e0d\u7ba1\u662f\u5426\u53d1\u751f\u5f02\u5e38\uff0c\u90fd\u5fc5\u987b\u6267\u884c\u67d0\u4e2a\u4e1a\u52a1\u903b\u8f91<\/p>\n

5\u3001throws<\/h4>\n

1\u3001\u5c06\u53d1\u751f\u7684\u5f02\u5e38\u629b\u51fa\uff0c\u4ea4\u7ed9\u8c03\u7528\u8005\uff08\u65b9\u6cd5\uff09\u5904\u7406<\/strong>\uff0c\u6700\u9ad8\u7ea7\u7684\u5904\u7406\u7740\u5c31\u662fJVM<\/p>\n

2\u3001\u793a\u610f\u56fe\uff1a<\/p>\n

\"\"<\/div><\/p>\n

6\u3001\u2622throws\u5f02\u5e38\u5904\u7406\uff0c\u6ce8\u610f\u4e8b\u9879<\/h4>\n

\uff081\uff09\u8fd0\u884c\u65f6\u7684\u5f02\u5e38\uff0c\u7a0b\u5e8f\u6ca1\u6709\u660e\u786e\u5904\u7406\uff0c\u9ed8\u8ba4\u5c31\u662fthrows\u7684\u65b9\u5f0f\u5904\u7406 <\/p>\n

\uff082\uff09\u5b50\u7c7b\u91cd\u5199\u7236\u7c7b\u7684\u65b9\u6cd5\u65f6\uff0c\u5bf9\u629b\u51fa\u5f02\u5e38\u7684\u89c4\u5b9a<\/p>\n

\u200b \u2460\u5b50\u7c7b\u7684\u91cd\u5199\u629b\u51fa\u7684\u5f02\u5e38\u8981\u548c\u7236\u7c7b\u5f02\u5e38\u4e00\u81f4<\/p>\n

\u200b \u2461\u6216\u8005\u5b50\u7c7b\u91cd\u5199\u629b\u51fa\u7684\u5f02\u5e38\u8981\u5c0f\u4e8e\u7236\u7c7b\u629b\u51fa\u7684\u5f02\u5e38<\/p>\n

\uff083\uff09try-cathch\u548cthrows\u4e0d\u80fd\u540c\u4e00\u65f6\u523b\u51fa\u73b0\u3002<\/p>\n

2\u3001\u81ea\u5b9a\u4e49\u5f02\u5e38<\/h2>\n

1\u3001\u57fa\u672c\u6982\u5ff5\uff1a\u7a0b\u5e8f\u4e2d\u51fa\u9519\uff0c\u4f46\u662f\u9519\u8bef\u4fe1\u606f\u5e76\u6ca1\u6709\u5728Throwable\u5b50\u7c7b\u4f55\u603b\u63cf\u8ff0\u5904\u7406\uff0c\u81ea\u5df1\u8bbe\u8ba1\uff0c\u7528\u4e8e\u63cf\u8ff0\u9519\u8bef<\/p>\n

2.1\u3001\u81ea\u5b9a\u4e49\u5f02\u5e38\u7684\u6b65\u9aa4<\/h3>\n

1\u3001\u5b9a\u4e49\u7c7b\uff1a\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\u540d\uff08\u7a0b\u5e8f\u5458\u5199\uff09\u7ee7\u627fException\u6216\u8005RuntimeException<\/p>\n

2\u3001\u5982\u679c\u7ee7\u627f\u4e86Exception\uff0c\u5c5e\u4e8e\u7f16\u8bd1\u5f02\u5e38<\/p>\n

3\u3001\u7ee7\u627fRuntimeException\uff0c\u5c5e\u4e8e\u8fd0\u884c\u5f02\u5e38<\/p>\n

2.2\u3001throws \u548cthrow\u533a\u522b<\/h3>\n

1\u3001\u6bd4\u8f83\u8868<\/p>\n

\"\"<\/div><\/p>\n

2\u3001\u4f8b\u9898
\n

\"\"<\/div><\/p>\n

\u7b2c\u5341\u4e09\u7ae0\u3001\u5e38\u7528\u7c7b<\/h1>\n","protected":false},"excerpt":{"rendered":"

\u7b2c\u5341\u7ae0\u3001\u5f02\u5e38 \u4f5c\u7528\uff1a\u7a0b\u5e8f\u51fa\u95ee\u9898\uff0c\u5f02\u5e38\u5305\u7740\u53ef\u4ee5\u7ee7\u7eed\u6267\u884c\uff0c\u4e0d\u4f1a\u505c\u6b62\u8fd0\u884c 1\u3001\u5f02\u5e38\u4ecb\u7ecd 1.1\u3001\u57fa\u672c\u6982\u5ff5 java\u8bed […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-1430","post","type-post","status-publish","format-standard","hentry","category-java"],"_links":{"self":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts\/1430","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1430"}],"version-history":[{"count":1,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts\/1430\/revisions"}],"predecessor-version":[{"id":1437,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts\/1430\/revisions\/1437"}],"wp:attachment":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1430"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1430"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1430"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}