{"id":39273,"date":"2024-11-26T08:10:11","date_gmt":"2024-11-26T00:10:11","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39273\/"},"modified":"2024-11-26T08:10:11","modified_gmt":"2024-11-26T00:10:11","slug":"java%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e7%9c%8b","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39273\/","title":{"rendered":"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u770b"},"content":{"rendered":"<blockquote><p>\n  \u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u79cd\u5d4c\u5957\u6570\u7ec4\uff0c\u53ef\u4f7f\u7528 array[row][column] \u8bbf\u95ee\u5143\u7d20\u3002\u904d\u5386\u6570\u7ec4\u65f6\uff0c\u4f7f\u7528\u5d4c\u5957\u5faa\u73af (for (int i = 0; i <\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111605575796217.jpg\" class=\"aligncenter\" title=\"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u770b\u63d2\u56fe\" alt=\"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u770b\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n<p>\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u4e00\u4e2a\u77e9\u9635\u6216\u8868\u683c\u4e2d\u7684\u5143\u7d20\u3002\u5b83\u672c\u8d28\u4e0a\u662f\u5305\u542b\u4e00\u7cfb\u5217\u4e00\u7ef4\u6570\u7ec4\uff08\u884c\uff09\u7684\u6570\u7ec4\u3002<\/p>\n<p><strong>\u8bbf\u95ee\u5143\u7d20<\/strong><\/p>\n<p>\u8981\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u4e00\u4e2a\u5143\u7d20\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>array[row][column]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>array \u662f\u4e8c\u7ef4\u6570\u7ec4\u7684\u540d\u79f0<\/li>\n<li>row \u662f\u5143\u7d20\u6240\u5728\u7684\u884c\u7d22\u5f15<\/li>\n<li>column \u662f\u5143\u7d20\u6240\u5728\u7684\u5217\u7d22\u5f15<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4 numbers \u5982\u4e0b\uff1a<\/p>\n<pre>int[][] numbers = {\n    {1, 2, 3},\n    {4, 5, 6},\n    {7, 8, 9}\n};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8981\u8bbf\u95ee\u7b2c 2 \u884c\u7b2c 3 \u5217\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre>int element = numbers[1][2];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u8fd4\u56de\u5143\u7d20 6\u3002<\/p>\n<p><strong>\u904d\u5386\u6570\u7ec4<\/strong><\/p>\n<p>\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u53ef\u4ee5\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\uff1a<\/p>\n<pre>for (int i = 0; i &lt; rows; i++) {\n    for (int j = 0; j &lt; columns; j++) {\n        \/\/ \u8bbf\u95ee\u5143\u7d20 numbers[i][j]\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>rows \u662f\u6570\u7ec4\u7684\u884c\u6570<\/li>\n<li>columns \u662f\u6570\u7ec4\u7684\u5217\u6570<\/li>\n<\/ul>\n<p><strong>\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n<ul>\n<li>\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u65f6\uff0c\u7d22\u5f15\u5fc5\u987b\u6709\u6548\u3002\u8fd9\u610f\u5473\u7740\u884c\u7d22\u5f15\u5fc5\u987b\u5728 0 \u5230 rows-1 \u4e4b\u95f4\uff0c\u800c\u5217\u7d22\u5f15\u5fc5\u987b\u5728 0 \u5230 columns-1 \u4e4b\u95f4\u3002<\/li>\n<li>\u5982\u679c\u7d22\u5f15\u65e0\u6548\uff0c\u4f1a\u5f15\u53d1 ArrayIndexOutOfBoundsException\u3002<\/li>\n<li>\u4e8c\u7ef4\u6570\u7ec4\u53ef\u4ee5\u662f\u4e0d\u540c\u7c7b\u578b\u7684\u5143\u7d20\uff0c\u4f8b\u5982\u6574\u6570\u3001\u5b57\u7b26\u4e32\u6216\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<\/blockquote>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u770b\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>\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u79cd\u5d4c\u5957\u6570\u7ec4\uff0c\u53ef\u4f7f\u7528 array[row][column] \u8bbf\u95ee\u5143\u7d20\u3002\u904d\u5386\u6570\u7ec4\u65f6\uff0c\u4f7f\u7528\u5d4c\u5957\u5faa\u73af (for (int i = 0; i \u5982\u4f55\u5728 Java \u4e2d\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4 \u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u4e00\u4e2a\u77e9\u9635\u6216\u8868\u683c\u4e2d\u7684\u5143\u7d20\u3002\u5b83\u672c\u8d28\u4e0a\u662f\u5305\u542b\u4e00\u7cfb\u5217\u4e00\u7ef4\u6570\u7ec4\uff08\u884c\uff09\u7684\u6570\u7ec4\u3002 \u8bbf\u95ee\u5143\u7d20 \u8981\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u4e00\u4e2a\u5143\u7d20\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b array[row][column] \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a array \u662f\u4e8c\u7ef4\u6570\u7ec4\u7684\u540d\u79f0 row \u662f\u5143\u7d20\u6240\u5728\u7684\u884c\u7d22\u5f15 column \u662f\u5143\u7d20\u6240\u5728\u7684\u5217\u7d22\u5f15 \u793a\u4f8b \u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4 numbers \u5982\u4e0b\uff1a int[][] numbers = { {1, 2, 3}, {4, 5, 6}, {7, 8, 9} }; \u767b\u5f55\u540e\u590d\u5236 \u8981\u8bbf\u95ee\u7b2c 2 \u884c\u7b2c 3 \u5217\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a int element = numbers[1][2]; \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u8fd4\u56de\u5143\u7d20 [&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-39273","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39273","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=39273"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39273\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39273"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39273"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39273"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}