{"id":701,"date":"2021-02-09T17:55:17","date_gmt":"2021-02-09T09:55:17","guid":{"rendered":"https:\/\/www.52dixiaowo.com\/java\/?p=701"},"modified":"2021-02-09T20:23:49","modified_gmt":"2021-02-09T12:23:49","slug":"finally-%e5%85%b3%e9%94%ae%e5%ad%97","status":"publish","type":"post","link":"https:\/\/www.52dixiaowo.com\/java\/post-701.html","title":{"rendered":"finally \u5173\u952e\u5b57"},"content":{"rendered":"\n<p>\u5bf9\u4e8e try &#8212; catch \u8bed\u53e5\uff0c\u4e00\u65e6\u51fa\u73b0\u5f02\u5e38\uff0c\u540e\u4e8e\u7684\u8bed\u53e5\u65e0\u6cd5\u6267\u884c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public static void main(String&#91;] args) {\n\ttry{\n\t    int&#91;] a = new int&#91;3];\n\t    System.out.println(a&#91;4]);  \/\/\u51fa\u73b0\u5f02\u5e38\u7684\u8bed\u53e5\n\t    System.out.println(\"\u540e\u7eed\u4ee3\u7801\");\n\t}catch(Exception e) {\n\t\tSystem.out.println(e);\n\t}\n}<\/code><\/pre>\n\n\n\n<p>\u7a0b\u5e8f\u8fd0\u884c\u8f93\u51fa\u7684\u7ed3\u679c\uff0c\u53ef\u89c1\u540e\u7eed\u4ee3\u7801\u5e76\u6ca1\u6709\u88ab\u6267\u884c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>java.lang.ArrayIndexOutOfBoundsException: 4<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u9700\u8981\u5728\u51fa\u73b0\u5f02\u5e38\u540e\uff0c\u4ecd\u6267\u884c\u67d0\u4e9b\u5fc5\u987b\u7684\u540e\u7eed\u4ee3\u7801\uff0c\u90a3\u4e48\u9700\u8981 finally<\/p>\n\n\n\n<h5>1.finally \u8bed\u6cd5<\/h5>\n\n\n\n<p>finally \u5fc5\u987b\u914d\u5408 try &#8212; catch \u4f7f\u7528<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>try{\n  \/\/\u53ef\u80fd\u51fa\u73b0\u5f02\u5e38\u7684\u4ee3\u7801\n}catch(\u5f02\u5e38\u5bf9\u8c61){\n  \/\/\u5904\u7406\u5f02\u5e38\u5bf9\u8c61\n}finally{\n  \/\/\u65e0\u8bba\u662f\u5426\u51fa\u73b0\u5f02\u5e38\uff0c\u90fd\u8981\u6267\u884c\u7684\u4ee3\u7801\u5757;\n}<\/code><\/pre>\n\n\n\n<p>finally \u4e2d\u7684\u4ee3\u7801\u6c38\u8fdc\u88ab\u6267\u884c\uff0c\u5982\u679c\u6709 return \uff0c\u90a3\u4e48\u6c38\u8fdc return \u8be5\u5185\u5bb9<\/p>\n\n\n\n<h5>2.\u4f8b\u5b50<\/h5>\n\n\n\n<p>\u5bf9\u4e8e finally \u4e2d\u7684\u4ee3\u7801\u5757\uff0c\u65e0\u8bba\u662f\u5426\u51fa\u73b0\u5f02\u5e38\uff0c\u90fd\u4f1a\u6267\u884c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public static void main(String&#91;] args) {\n\ttry{\n\t    int&#91;] a = new int&#91;3];\n\t    System.out.println(a&#91;4]);  \/\/\u51fa\u73b0\u5f02\u5e38\u7684\u8bed\u53e5\n\t    System.out.println(\"\u540e\u7eed\u4ee3\u7801\");\n\t}catch(Exception e) {\n\t\tSystem.out.println(e);\n\t}finally {\n\t\tSystem.out.println(\"finally \u4e2d\u7684\u540e\u7eed\u4ee3\u7801\");\n\t}\n}<\/code><\/pre>\n\n\n\n<p>\u7a0b\u5e8f\u6267\u884c\u8f93\u51fa\u7684\u7ed3\u679c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>java.lang.ArrayIndexOutOfBoundsException: 4\nfinally \u4e2d\u7684\u540e\u7eed\u4ee3\u7801\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5bf9\u4e8e try &#8212; catch \u8bed\u53e5\uff0c\u4e00\u65e6\u51fa\u73b0\u5f02\u5e38\uff0c\u540e\u4e8e\u7684\u8bed\u53e5\u65e0\u6cd5\u6267\u884c \u7a0b\u5e8f\u8fd0\u884c\u8f93\u51fa\u7684\u7ed3\u679c\uff0c\u53ef\u89c1\u540e\u7eed&hellip; <a href=\"https:\/\/www.52dixiaowo.com\/java\/post-701.html\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">finally \u5173\u952e\u5b57<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[24],"tags":[],"_links":{"self":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/701"}],"collection":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/comments?post=701"}],"version-history":[{"count":0,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/701\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/media?parent=701"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/categories?post=701"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/tags?post=701"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}