{"id":37825,"date":"2024-11-26T08:19:29","date_gmt":"2024-11-26T00:19:29","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37825\/"},"modified":"2024-11-26T08:19:29","modified_gmt":"2024-11-26T00:19:29","slug":"java%e6%95%b0%e7%bb%84%e7%9a%84%e4%b8%8b%e6%a0%87%e6%80%8e%e4%b9%88%e8%a1%a8%e7%a4%ba","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37825\/","title":{"rendered":"java\u6570\u7ec4\u7684\u4e0b\u6807\u600e\u4e48\u8868\u793a"},"content":{"rendered":"<blockquote><p>\n  java\u6570\u7ec4\u4e0b\u6807\u4ece0\u5f00\u59cb\uff0c\u8303\u56f4\u4ece0\u5230\u6570\u7ec4\u957f\u5ea6-1\u3002\u8bbf\u95ee\u8d85\u51fa\u6b64\u8303\u56f4\u7684\u4e0b\u6807\u4f1a\u5bfc\u81f4arrayindexoutofboundsexception\u5f02\u5e38\u3002\u8d1f\u4e0b\u6807\u4e0d\u53d7\u652f\u6301\uff0c\u4e5f\u4f1a\u5f15\u53d1\u8be5\u5f02\u5e38\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111311214755251.jpg\" class=\"aligncenter\" title=\"java\u6570\u7ec4\u7684\u4e0b\u6807\u600e\u4e48\u8868\u793a\u63d2\u56fe\" alt=\"java\u6570\u7ec4\u7684\u4e0b\u6807\u600e\u4e48\u8868\u793a\u63d2\u56fe\" \/><\/p>\n<p><strong>Java\u6570\u7ec4\u4e0b\u6807\u7684\u8868\u793a<\/strong><\/p>\n<p>Java\u6570\u7ec4\u7684\u4e0b\u6807\u4ece0\u5f00\u59cb\uff0c\u8fd9\u610f\u5473\u7740\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u4e0b\u6807\u662f0\uff0c\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u4e0b\u6807\u662f\u6570\u7ec4\u957f\u5ea6\u51cf1\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4e00\u4e2a\u6570\u7ec4\u67095\u4e2a\u5143\u7d20\uff0c\u5b83\u7684\u4e0b\u6807\u8303\u56f4\u4e3a0\u52304\u3002<\/p>\n<p><strong>\u6570\u7ec4\u4e0b\u6807\u8868\u793a\u6cd5<\/strong><\/p>\n<p>\u6570\u7ec4\u4e0b\u6807\u53ef\u4ee5\u901a\u8fc7\u65b9\u62ec\u53f7[]\u8868\u793a\uff0c\u5176\u4e2d\u4e0b\u6807\u503c\u653e\u5728\u65b9\u62ec\u53f7\u5185\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u8bbf\u95ee\u7684\u6570\u7ec4arr\u4e2d\u7b2c\u4e00\u4e2a\u5143\u7d20\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int arr[] = new int[5];\nint firstElement = arr[0];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6709\u6548\u4e0b\u6807\u8303\u56f4<\/strong><\/p>\n<p>\u6570\u7ec4\u4e0b\u6807\u5fc5\u987b\u57280\u5230\u6570\u7ec4\u957f\u5ea6-1\u7684\u8303\u56f4\u5185\u3002\u8bbf\u95ee\u8d85\u51fa\u6b64\u8303\u56f4\u7684\u4e0b\u6807\u4f1a\u5f15\u53d1ArrayIndexOutOfBoundsException\u5f02\u5e38\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u4f1a\u5bfc\u81f4\u5f02\u5e38\uff0c\u56e0\u4e3a\u4e0b\u68075\u8d85\u51fa\u4e86\u6570\u7ec4arr\u7684\u8303\u56f4\uff1a<\/p>\n<pre>int arr[] = new int[5];\nint invalidElement = arr[5]; \/\/ \u6570\u7ec4\u8d8a\u754c\u5f02\u5e38<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8d1f\u4e0b\u6807<\/strong><\/p>\n<p>Java\u4e0d\u652f\u6301\u8d1f\u4e0b\u6807\u3002\u56e0\u6b64\uff0c\u8bbf\u95ee\u8d1f\u4e0b\u6807\u4e5f\u4f1a\u5bfc\u81f4ArrayIndexOutOfBoundsException\u5f02\u5e38\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u7684\u4e0b\u6807\u600e\u4e48\u8868\u793a\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java\u6570\u7ec4\u4e0b\u6807\u4ece0\u5f00\u59cb\uff0c\u8303\u56f4\u4ece0\u5230\u6570\u7ec4\u957f\u5ea6-1\u3002\u8bbf\u95ee\u8d85\u51fa\u6b64\u8303\u56f4\u7684\u4e0b\u6807\u4f1a\u5bfc\u81f4arrayindexoutofboundsexception\u5f02\u5e38\u3002\u8d1f\u4e0b\u6807\u4e0d\u53d7\u652f\u6301\uff0c\u4e5f\u4f1a\u5f15\u53d1\u8be5\u5f02\u5e38\u3002 Java\u6570\u7ec4\u4e0b\u6807\u7684\u8868\u793a Java\u6570\u7ec4\u7684\u4e0b\u6807\u4ece0\u5f00\u59cb\uff0c\u8fd9\u610f\u5473\u7740\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u4e0b\u6807\u662f0\uff0c\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u4e0b\u6807\u662f\u6570\u7ec4\u957f\u5ea6\u51cf1\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4e00\u4e2a\u6570\u7ec4\u67095\u4e2a\u5143\u7d20\uff0c\u5b83\u7684\u4e0b\u6807\u8303\u56f4\u4e3a0\u52304\u3002 \u6570\u7ec4\u4e0b\u6807\u8868\u793a\u6cd5 \u6570\u7ec4\u4e0b\u6807\u53ef\u4ee5\u901a\u8fc7\u65b9\u62ec\u53f7[]\u8868\u793a\uff0c\u5176\u4e2d\u4e0b\u6807\u503c\u653e\u5728\u65b9\u62ec\u53f7\u5185\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u8bbf\u95ee\u7684\u6570\u7ec4arr\u4e2d\u7b2c\u4e00\u4e2a\u5143\u7d20\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int arr[] = new int[5]; int firstElement = arr[0]; \u767b\u5f55\u540e\u590d\u5236 \u6709\u6548\u4e0b\u6807\u8303\u56f4 \u6570\u7ec4\u4e0b\u6807\u5fc5\u987b\u57280\u5230\u6570\u7ec4\u957f\u5ea6-1\u7684\u8303\u56f4\u5185\u3002\u8bbf\u95ee\u8d85\u51fa\u6b64\u8303\u56f4\u7684\u4e0b\u6807\u4f1a\u5f15\u53d1ArrayIndexOutOfBoundsException\u5f02\u5e38\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u4f1a\u5bfc\u81f4\u5f02\u5e38\uff0c\u56e0\u4e3a\u4e0b\u68075\u8d85\u51fa\u4e86\u6570\u7ec4arr\u7684\u8303\u56f4\uff1a int arr[] = new int[5]; int invalidElement = arr[5]; \/\/ \u6570\u7ec4\u8d8a\u754c\u5f02\u5e38 \u767b\u5f55\u540e\u590d\u5236 \u8d1f\u4e0b\u6807 Java\u4e0d\u652f\u6301\u8d1f\u4e0b\u6807\u3002\u56e0\u6b64\uff0c\u8bbf\u95ee\u8d1f\u4e0b\u6807\u4e5f\u4f1a\u5bfc\u81f4ArrayIndexOutOfBoundsException\u5f02\u5e38\u3002 \u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u7684\u4e0b\u6807\u600e\u4e48\u8868\u793a\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\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-37825","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37825","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=37825"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37825\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37825"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37825"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37825"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}