{"id":66848,"date":"2025-05-03T14:09:04","date_gmt":"2025-05-03T06:09:04","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66848\/"},"modified":"2025-05-03T14:09:04","modified_gmt":"2025-05-03T06:09:04","slug":"java%e4%b8%ad%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e4%b8%8b%e6%a0%87%e6%80%8e%e4%b9%88%e8%a1%a8%e7%a4%ba-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66848\/","title":{"rendered":"java\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807\u600e\u4e48\u8868\u793a"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807\u8868\u793a\uff1a\u884c\u53f7\u548c\u5217\u53f7\u5206\u522b\u7528\u7b2c\u4e00\u4e2a\u548c\u7b2c\u4e8c\u4e2a\u6574\u6570\u4e0b\u6807\u8868\u793a\u3002\u4e0b\u6807\u4ece 0 \u5f00\u59cb\u3002\u6709\u6548\u4e0b\u6807\u8303\u56f4\u4e3a [0, m-1]\uff08\u884c\uff09\u548c [0, n-1]\uff08\u5217\uff09\uff0c\u5176\u4e2d m \u548c n \u5206\u522b\u662f\u884c\u6570\u548c\u5217\u6570\u3002\u901a\u8fc7 arrayrowindex \u8bbf\u95ee\u5143\u7d20\uff0c\u5176\u4e2d rowindex \u548c columnindex \u5206\u522b\u662f\u884c\u53f7\u548c\u5217\u53f7\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111712214259794.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807\u600e\u4e48\u8868\u793a\u63d2\u56fe\" alt=\"java\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807\u600e\u4e48\u8868\u793a\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807\u8868\u793a<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807\u4f7f\u7528\u4e24\u4e2a\u6574\u6570\u6765\u8868\u793a\uff1a\u7b2c\u4e00\u4e2a\u6574\u6570\u8868\u793a\u884c\u53f7\uff0c\u7b2c\u4e8c\u4e2a\u6574\u6570\u8868\u793a\u5217\u53f7\u3002\u4e0b\u6807\u4ece 0 \u5f00\u59cb\uff0c\u56e0\u6b64\u4e00\u4e2a m \u884c n \u5217\u7684\u4e8c\u7ef4\u6570\u7ec4\u7684\u6709\u6548\u4e0b\u6807\u8303\u56f4\u4e3a [0, m-1] \u548c [0, 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\u8bbf\u95ee\u7b2c\u4e09\u884c\u7b2c\u56db\u5217\u7684\u5143\u7d20\u3002<\/li>\n<\/ul>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u5982\u679c\u4f7f\u7528\u8d85\u51fa\u8303\u56f4\u7684\u4e0b\u6807\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5c06\u5bfc\u81f4 ArrayIndexOutOfBoundsException \u5f02\u5e38\u3002<\/li>\n<li>\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u6bcf\u4e00\u884c\u548c\u6bcf\u4e00\u5217\u7684\u5143\u7d20\u6570\u91cf\u53ef\u4ee5\u4e0d\u540c\uff0c\u4f46\u901a\u5e38\u8981\u6c42\u6240\u6709\u884c\u548c\u5217\u7684\u5143\u7d20\u6570\u91cf\u76f8\u540c\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807\u600e\u4e48\u8868\u793a\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java \u4e2d\u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807\u8868\u793a\uff1a\u884c\u53f7\u548c\u5217\u53f7\u5206\u522b\u7528\u7b2c\u4e00\u4e2a\u548c\u7b2c\u4e8c\u4e2a\u6574\u6570\u4e0b\u6807\u8868\u793a\u3002\u4e0b\u6807\u4ece 0 \u5f00\u59cb\u3002\u6709\u6548\u4e0b\u6807\u8303\u56f4\u4e3a [0, m-1]\uff08\u884c\uff09\u548c [0, n-1]\uff08\u5217\uff09\uff0c\u5176\u4e2d m \u548c n \u5206\u522b\u662f\u884c\u6570\u548c\u5217\u6570\u3002\u901a\u8fc7 arrayrowindex \u8bbf\u95ee\u5143\u7d20\uff0c\u5176\u4e2d rowindex \u548c columnindex \u5206\u522b\u662f\u884c\u53f7\u548c\u5217\u53f7\u3002 Java \u4e2d\u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807\u8868\u793a \u5728 Java \u4e2d\uff0c\u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807\u4f7f\u7528\u4e24\u4e2a\u6574\u6570\u6765\u8868\u793a\uff1a\u7b2c\u4e00\u4e2a\u6574\u6570\u8868\u793a\u884c\u53f7\uff0c\u7b2c\u4e8c\u4e2a\u6574\u6570\u8868\u793a\u5217\u53f7\u3002\u4e0b\u6807\u4ece 0 \u5f00\u59cb\uff0c\u56e0\u6b64\u4e00\u4e2a m \u884c n \u5217\u7684\u4e8c\u7ef4\u6570\u7ec4\u7684\u6709\u6548\u4e0b\u6807\u8303\u56f4\u4e3a [0, m-1] \u548c [0, n-1]\u3002 \u4e0b\u6807\u8bbf\u95ee \u8981\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u8bed\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b array[rowIndex][columnIndex] \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a array \u662f\u4e8c\u7ef4\u6570\u7ec4\u7684\u540d\u79f0\u3002 rowIndex \u662f\u8981\u8bbf\u95ee\u7684\u884c\u53f7\u3002 columnIndex \u662f\u8981\u8bbf\u95ee\u7684\u5217\u53f7\u3002 \u4f8b\u5982\uff0c\u8981\u8bbf\u95ee\u4e00\u4e2a 3&#215;4 \u4e8c\u7ef4\u6570\u7ec4 arr \u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4e0b\u6807\uff1a arr[0][0] \u8bbf\u95ee\u7b2c\u4e00\u884c\u7b2c\u4e00\u5217\u7684\u5143\u7d20\u3002 arr[2][3] \u8bbf\u95ee\u7b2c\u4e09\u884c\u7b2c\u56db\u5217\u7684\u5143\u7d20\u3002 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