{"id":34474,"date":"2024-11-26T15:50:40","date_gmt":"2024-11-26T07:50:40","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34474\/"},"modified":"2024-11-26T15:50:40","modified_gmt":"2024-11-26T07:50:40","slug":"java%e6%95%b0%e7%bb%84%e5%ae%9a%e4%b9%89%e6%97%b6%e8%b6%8a%e7%95%8c%e6%80%8e%e4%b9%88%e5%8a%9e","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34474\/","title":{"rendered":"java\u6570\u7ec4\u5b9a\u4e49\u65f6\u8d8a\u754c\u600e\u4e48\u529e"},"content":{"rendered":"<blockquote><p>\n  \u5f53 java \u6570\u7ec4\u5b9a\u4e49\u65f6\u8d8a\u754c\uff0c\u5c06\u629b\u51fa arrayindexoutofboundsexception\u3002\u4e3a\u4e86\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a\u6307\u5b9a\u6b63\u786e\u7684\u6570\u7ec4\u957f\u5ea6\uff0c\u786e\u4fdd\u5176\u5927\u4e8e\u6216\u7b49\u4e8e\u5143\u7d20\u6570\u91cf\u3002\u4f7f\u7528 try-catch \u5757\u6355\u83b7 arrayindexoutofboundsexception\uff0c\u5e76\u91c7\u53d6\u9002\u5f53\u7684\u63aa\u65bd\u8fdb\u884c\u5904\u7406\u3002\u5904\u7406\u8d8a\u754c\u7684\u903b\u8f91\u5305\u62ec\u5ffd\u7565\u8d8a\u754c\u3001\u629b\u51fa\u5b9a\u5236\u5f02\u5e38\u6216\u8c03\u6574\u6570\u7ec4\u5927\u5c0f\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/02\/2024110214422845933.jpg\" class=\"aligncenter\" title=\"java\u6570\u7ec4\u5b9a\u4e49\u65f6\u8d8a\u754c\u600e\u4e48\u529e\u63d2\u56fe\" alt=\"java\u6570\u7ec4\u5b9a\u4e49\u65f6\u8d8a\u754c\u600e\u4e48\u529e\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u6570\u7ec4\u5b9a\u4e49\u65f6\u8d8a\u754c\u5982\u4f55\u5904\u7406<\/strong><\/p>\n<p>Java \u6570\u7ec4\u662f\u4e00\u4e2a\u56fa\u5b9a\u957f\u5ea6\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u5c5e\u4e8e\u540c\u4e00\u7c7b\u578b\u3002\u5f53\u5728\u5b9a\u4e49 Java \u6570\u7ec4\u65f6\u53d1\u751f\u8d8a\u754c\u9519\u8bef\u65f6\uff0c\u5c06\u629b\u51fa ArrayIndexOutOfBoundsException\u3002<\/p>\n<p><strong>\u907f\u514d\u8d8a\u754c<\/strong><\/p>\n<p>\u8981\u89e3\u51b3\u8d8a\u754c\u95ee\u9898\uff0c\u5728\u5b9a\u4e49\u6570\u7ec4\u65f6\u6307\u5b9a\u6b63\u786e\u7684\u957f\u5ea6\u81f3\u5173\u91cd\u8981\u3002\u6570\u7ec4\u957f\u5ea6\u5fc5\u987b\u5927\u4e8e\u6216\u7b49\u4e8e\u8981\u5b58\u50a8\u7684\u5143\u7d20\u6570\u91cf\u3002\u4f8b\u5982\uff0c\u8981\u5b58\u50a8 5 \u4e2a\u6574\u6570\uff0c\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u957f\u5ea6\u4e3a 5 \u7684\u6570\u7ec4\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] numbers = new int[5];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u5904\u7406\u8d8a\u754c<\/strong><\/p>\n<p>\u5982\u679c\u5728\u8fd0\u884c\u65f6\u53d1\u751f\u8d8a\u754c\u9519\u8bef\uff0c\u7a0b\u5e8f\u5c06\u629b\u51fa ArrayIndexOutOfBoundsException\u3002\u4e3a\u4e86\u9632\u6b62\u7a0b\u5e8f\u5d29\u6e83\uff0c\u53ef\u4ee5\u4f7f\u7528 try-catch \u5757\u6765\u6355\u83b7\u6b64\u5f02\u5e38\u5e76\u91c7\u53d6\u9002\u5f53\u7684\u63aa\u65bd\u3002<\/p>\n<pre>try {\n    \/\/ \u6570\u7ec4\u64cd\u4f5c\n} catch (ArrayIndexOutOfBoundsException e) {\n    \/\/ \u5904\u7406\u8d8a\u754c\u7684\u903b\u8f91\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u5904\u7406\u8d8a\u754c\u7684\u903b\u8f91<\/strong><\/p>\n<p>\u5904\u7406\u8d8a\u754c\u7684\u903b\u8f91\u53d6\u51b3\u4e8e\u5177\u4f53\u60c5\u51b5\u3002\u5e38\u89c1\u7684\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li> <strong>\u5ffd\u7565\u8d8a\u754c\uff1a<\/strong> \u5982\u679c\u8d8a\u754c\u662f\u65e0\u610f\u7684\u5e76\u4e14\u4e0d\u4f1a\u5f71\u54cd\u7a0b\u5e8f\u7684\u6b63\u786e\u6027\uff0c\u5219\u53ef\u4ee5\u7b80\u5355\u5730\u5ffd\u7565\u5f02\u5e38\u3002<\/li>\n<li> <strong>\u629b\u51fa\u5b9a\u5236\u5f02\u5e38\uff1a<\/strong> \u5b9a\u4e49\u4e00\u4e2a\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\u6765\u8868\u793a\u8d8a\u754c\u9519\u8bef\uff0c\u5e76\u5728 try-catch \u5757\u4e2d\u629b\u51fa\u8be5\u5f02\u5e38\u3002<\/li>\n<li> <strong>\u8c03\u6574\u6570\u7ec4\u5927\u5c0f\uff1a<\/strong> \u8c03\u6574\u6570\u7ec4\u5927\u5c0f\u4ee5\u5bb9\u7eb3\u989d\u5916\u7684\u5143\u7d20\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 Arrays.copyOf() \u65b9\u6cd5\u6765\u5b8c\u6210\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u5728 try-catch \u5757\u4e2d\u5904\u7406\u8d8a\u754c\u5f02\u5e38\uff1a<\/p>\n<pre>int[] numbers = new int[5];\ntry {\n    numbers[5] = 10; \/\/ \u5bfc\u81f4\u8d8a\u754c\n} catch (ArrayIndexOutOfBoundsException e) {\n    System.out.println(\"\u8d8a\u754c\u9519\u8bef\uff1a\u5c1d\u8bd5\u8bbf\u95ee\u8d85\u51fa\u6570\u7ec4\u8303\u56f4\u7684\u7d22\u5f15\");\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u5b9a\u4e49\u65f6\u8d8a\u754c\u600e\u4e48\u529e\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>\u5f53 java \u6570\u7ec4\u5b9a\u4e49\u65f6\u8d8a\u754c\uff0c\u5c06\u629b\u51fa arrayindexoutofboundsexception\u3002\u4e3a\u4e86\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a\u6307\u5b9a\u6b63\u786e\u7684\u6570\u7ec4\u957f\u5ea6\uff0c\u786e\u4fdd\u5176\u5927\u4e8e\u6216\u7b49\u4e8e\u5143\u7d20\u6570\u91cf\u3002\u4f7f\u7528 try-catch \u5757\u6355\u83b7 arrayindexoutofboundsexception\uff0c\u5e76\u91c7\u53d6\u9002\u5f53\u7684\u63aa\u65bd\u8fdb\u884c\u5904\u7406\u3002\u5904\u7406\u8d8a\u754c\u7684\u903b\u8f91\u5305\u62ec\u5ffd\u7565\u8d8a\u754c\u3001\u629b\u51fa\u5b9a\u5236\u5f02\u5e38\u6216\u8c03\u6574\u6570\u7ec4\u5927\u5c0f\u3002 Java \u6570\u7ec4\u5b9a\u4e49\u65f6\u8d8a\u754c\u5982\u4f55\u5904\u7406 Java \u6570\u7ec4\u662f\u4e00\u4e2a\u56fa\u5b9a\u957f\u5ea6\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u5c5e\u4e8e\u540c\u4e00\u7c7b\u578b\u3002\u5f53\u5728\u5b9a\u4e49 Java \u6570\u7ec4\u65f6\u53d1\u751f\u8d8a\u754c\u9519\u8bef\u65f6\uff0c\u5c06\u629b\u51fa ArrayIndexOutOfBoundsException\u3002 \u907f\u514d\u8d8a\u754c \u8981\u89e3\u51b3\u8d8a\u754c\u95ee\u9898\uff0c\u5728\u5b9a\u4e49\u6570\u7ec4\u65f6\u6307\u5b9a\u6b63\u786e\u7684\u957f\u5ea6\u81f3\u5173\u91cd\u8981\u3002\u6570\u7ec4\u957f\u5ea6\u5fc5\u987b\u5927\u4e8e\u6216\u7b49\u4e8e\u8981\u5b58\u50a8\u7684\u5143\u7d20\u6570\u91cf\u3002\u4f8b\u5982\uff0c\u8981\u5b58\u50a8 5 \u4e2a\u6574\u6570\uff0c\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u957f\u5ea6\u4e3a 5 \u7684\u6570\u7ec4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = new int[5]; \u767b\u5f55\u540e\u590d\u5236 \u5904\u7406\u8d8a\u754c \u5982\u679c\u5728\u8fd0\u884c\u65f6\u53d1\u751f\u8d8a\u754c\u9519\u8bef\uff0c\u7a0b\u5e8f\u5c06\u629b\u51fa ArrayIndexOutOfBoundsException\u3002\u4e3a\u4e86\u9632\u6b62\u7a0b\u5e8f\u5d29\u6e83\uff0c\u53ef\u4ee5\u4f7f\u7528 try-catch \u5757\u6765\u6355\u83b7\u6b64\u5f02\u5e38\u5e76\u91c7\u53d6\u9002\u5f53\u7684\u63aa\u65bd\u3002 try { \/\/ \u6570\u7ec4\u64cd\u4f5c } catch (ArrayIndexOutOfBoundsException e) { \/\/ \u5904\u7406\u8d8a\u754c\u7684\u903b\u8f91 } \u767b\u5f55\u540e\u590d\u5236 \u5904\u7406\u8d8a\u754c\u7684\u903b\u8f91 \u5904\u7406\u8d8a\u754c\u7684\u903b\u8f91\u53d6\u51b3\u4e8e\u5177\u4f53\u60c5\u51b5\u3002\u5e38\u89c1\u7684\u7b56\u7565\u5305\u62ec\uff1a \u5ffd\u7565\u8d8a\u754c\uff1a \u5982\u679c\u8d8a\u754c\u662f\u65e0\u610f\u7684\u5e76\u4e14\u4e0d\u4f1a\u5f71\u54cd\u7a0b\u5e8f\u7684\u6b63\u786e\u6027\uff0c\u5219\u53ef\u4ee5\u7b80\u5355\u5730\u5ffd\u7565\u5f02\u5e38\u3002 \u629b\u51fa\u5b9a\u5236\u5f02\u5e38\uff1a \u5b9a\u4e49\u4e00\u4e2a\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\u6765\u8868\u793a\u8d8a\u754c\u9519\u8bef\uff0c\u5e76\u5728 try-catch \u5757\u4e2d\u629b\u51fa\u8be5\u5f02\u5e38\u3002 \u8c03\u6574\u6570\u7ec4\u5927\u5c0f\uff1a \u8c03\u6574\u6570\u7ec4\u5927\u5c0f\u4ee5\u5bb9\u7eb3\u989d\u5916\u7684\u5143\u7d20\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 [&hellip;]<\/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-34474","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34474","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=34474"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34474\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=34474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=34474"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=34474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}