{"id":64401,"date":"2025-05-03T17:20:18","date_gmt":"2025-05-03T09:20:18","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64401\/"},"modified":"2025-05-03T17:20:18","modified_gmt":"2025-05-03T09:20:18","slug":"java%e9%87%8c%e7%9a%84%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e4%bd%bf%e7%94%a8-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64401\/","title":{"rendered":"java\u91cc\u7684\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u4f7f\u7528"},"content":{"rendered":"<blockquote><p>\n  \u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u79cd\u5b58\u50a8\u5143\u7d20\u7684\u7ed3\u6784\uff0c\u7531\u591a\u4e2a\u4e00\u7ef4\u6570\u7ec4\uff08\u884c\uff09\u7ec4\u6210\uff0c\u6bcf\u884c\u53c8\u5305\u542b\u4e00\u7cfb\u5217\u5143\u7d20\uff08\u5217\uff09\u3002\u5728 java \u4e2d\uff0c\u4f7f\u7528 int[][] myarray = new intnumrows; \u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5176\u4e2d numrows \u662f\u884c\u6570\uff0cnumcols \u662f\u5217\u6570\u3002\u901a\u8fc7 myarrayrowindex \u8bbf\u95ee\u5143\u7d20\uff0c\u5176\u4e2d rowindex \u548c colindex \u5206\u522b\u662f\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u3002\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u884c\u53ef\u4ee5\u5355\u72ec\u64cd\u4f5c\uff0c\u4e14\u6570\u7ec4\u662f\u4ece 0 \u5f00\u59cb\u7d22\u5f15\u7684\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/03\/2024110308482052299.jpg\" class=\"aligncenter\" title=\"java\u91cc\u7684\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u4f7f\u7528\u63d2\u56fe\" alt=\"java\u91cc\u7684\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u4f7f\u7528\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u4e8c\u7ef4\u6570\u7ec4\u7684\u4f7f\u7528<\/strong><\/p>\n<p><strong>\u4e00\u3001\u6982\u8ff0<\/strong><\/p>\n<p>\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u79cd\u5b58\u50a8\u5143\u7d20\u7684\u7279\u6b8a\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u7531\u591a\u4e2a\u4e00\u7ef4\u6570\u7ec4\u7ec4\u6210\uff0c\u6bcf\u4e2a\u4e00\u7ef4\u6570\u7ec4\u79f0\u4e3a\u884c\uff0c\u800c\u6bcf\u4e00\u884c\u53c8\u5305\u542b\u4e00\u7cfb\u5217\u5143\u7d20\uff0c\u79f0\u4e3a\u5217\u3002<\/p>\n<p><strong>\u4e8c\u3001\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/p>\n<pre>int[][] myArray = new int[numRows][numCols];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff0cnumRows \u6307\u5b9a\u884c\u6570\uff0cnumCols \u6307\u5b9a\u5217\u6570\u3002<\/p>\n<p><strong>\u4e09\u3001\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n<p>\u8981\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>myArray[rowIndex][colIndex]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff0crowIndex \u6307\u5b9a\u884c\u7d22\u5f15\uff0ccolIndex \u6307\u5b9a\u5217\u7d22\u5f15\u3002<\/p>\n<p><strong>\u56db\u3001\u793a\u4f8b<\/strong><\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u521b\u5efa\u548c\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>int[][] myArray = new int[3][4];\n\nmyArray[0][0] = 1;\nmyArray[0][1] = 2;\nmyArray[0][2] = 3;\nmyArray[0][3] = 4;\n\nmyArray[1][0] = 5;\nmyArray[1][1] = 6;\nmyArray[1][2] = 7;\nmyArray[1][3] = 8;\n\nmyArray[2][0] = 9;\nmyArray[2][1] = 10;\nmyArray[2][2] = 11;\nmyArray[2][3] = 12;\n\nfor (int i = 0; i &lt; myArray.length; i++) {\n    for (int j = 0; j &lt; myArray[i].length; j++) {\n        System.out.print(myArray[i][j] + \" \");\n    }\n    System.out.println();\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>1 2 3 4\n5 6 7 8\n9 10 11 12<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4e94\u3001\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n<ul>\n<li>Java \u4e2d\u7684\u6570\u7ec4\u662f\u4ece 0 \u5f00\u59cb\u7d22\u5f15\u7684\u3002<\/li>\n<li>\u8bbf\u95ee\u8d8a\u754c\u5143\u7d20\u4f1a\u5bfc\u81f4\u6570\u7ec4\u4e0b\u6807\u8d8a\u754c\u5f02\u5e38\u3002<\/li>\n<li>\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e00\u884c\u90fd\u662f\u4e00\u4e2a\u5355\u72ec\u7684\u4e00\u7ef4\u6570\u7ec4\uff0c\u56e0\u6b64\u53ef\u4ee5\u5bf9\u5176\u8fdb\u884c\u5355\u72ec\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u91cc\u7684\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u4f7f\u7528\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>\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u79cd\u5b58\u50a8\u5143\u7d20\u7684\u7ed3\u6784\uff0c\u7531\u591a\u4e2a\u4e00\u7ef4\u6570\u7ec4\uff08\u884c\uff09\u7ec4\u6210\uff0c\u6bcf\u884c\u53c8\u5305\u542b\u4e00\u7cfb\u5217\u5143\u7d20\uff08\u5217\uff09\u3002\u5728 java \u4e2d\uff0c\u4f7f\u7528 int[][] myarray = new intnumrows; \u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5176\u4e2d numrows \u662f\u884c\u6570\uff0cnumcols \u662f\u5217\u6570\u3002\u901a\u8fc7 myarrayrowindex \u8bbf\u95ee\u5143\u7d20\uff0c\u5176\u4e2d rowindex \u548c colindex \u5206\u522b\u662f\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u3002\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u884c\u53ef\u4ee5\u5355\u72ec\u64cd\u4f5c\uff0c\u4e14\u6570\u7ec4\u662f\u4ece 0 \u5f00\u59cb\u7d22\u5f15\u7684\u3002 Java \u4e2d\u4e8c\u7ef4\u6570\u7ec4\u7684\u4f7f\u7528 \u4e00\u3001\u6982\u8ff0 \u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u79cd\u5b58\u50a8\u5143\u7d20\u7684\u7279\u6b8a\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u7531\u591a\u4e2a\u4e00\u7ef4\u6570\u7ec4\u7ec4\u6210\uff0c\u6bcf\u4e2a\u4e00\u7ef4\u6570\u7ec4\u79f0\u4e3a\u884c\uff0c\u800c\u6bcf\u4e00\u884c\u53c8\u5305\u542b\u4e00\u7cfb\u5217\u5143\u7d20\uff0c\u79f0\u4e3a\u5217\u3002 \u4e8c\u3001\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\uff1a int[][] myArray = new int[numRows][numCols]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0cnumRows \u6307\u5b9a\u884c\u6570\uff0cnumCols \u6307\u5b9a\u5217\u6570\u3002 \u4e09\u3001\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20 \u8981\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a myArray[rowIndex][colIndex] \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0crowIndex \u6307\u5b9a\u884c\u7d22\u5f15\uff0ccolIndex \u6307\u5b9a\u5217\u7d22\u5f15\u3002 \u56db\u3001\u793a\u4f8b \u4e0b\u9762\u662f\u4e00\u4e2a\u521b\u5efa\u548c\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u7684\u793a\u4f8b\uff1a int[][] myArray = new int[3][4]; myArray[0][0] = 1; [&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-64401","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64401","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=64401"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64401\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64401"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64401"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}