{"id":34985,"date":"2024-11-26T13:41:10","date_gmt":"2024-11-26T05:41:10","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34985\/"},"modified":"2024-11-26T13:41:10","modified_gmt":"2024-11-26T05:41:10","slug":"%e6%80%8e%e4%b9%88%e7%90%86%e8%a7%a3java%e4%b8%ad%e7%9a%84%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34985\/","title":{"rendered":"\u600e\u4e48\u7406\u89e3java\u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\u662f\u5b58\u50a8\u6309\u884c\u548c\u5217\u7ec4\u7ec7\u7684\u6570\u636e\u7ed3\u6784\uff0c\u672c\u8d28\u662f\u4e00\u4e2a\u5305\u542b\u591a\u4e2a\u4e00\u7ef4\u6570\u7ec4\u7684\u6570\u7ec4\u3002\u5b83\u5141\u8bb8\u6309\u884c\u548c\u5217\u8bbf\u95ee\u5143\u7d20\uff0c\u7b80\u5316\u591a\u7ef4\u6570\u636e\u5b58\u50a8\u548c\u7b97\u6cd5\u3002\u867d\u7136\u4e8c\u7ef4\u6570\u7ec4\u6613\u4e8e\u67e5\u627e\u6570\u636e\uff0c\u4f46\u5bf9\u4e8e\u4e0d\u89c4\u5219\u5927\u5c0f\u6216\u7a00\u758f\u6570\u636e\u53ef\u80fd\u6548\u7387\u4f4e\u4e0b\uff0c\u5e76\u4e14\u53ef\u80fd\u4f1a\u6d6a\u8d39\u7a7a\u95f4\u3002\u7406\u89e3\u4e8c\u7ef4\u6570\u7ec4\u53ef\u53c2\u8003\u4ee5\u4e0b\u793a\u4f8b\uff1a\u4e00\u4e2a\u5b58\u50a8\u6587\u672c\u7f51\u683c\u7684 3 \u884c 4 \u5217\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5176\u4e2d\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u884c\u548c\u5217\u7d22\u5f15\u8bbf\u95ee\u6bcf\u4e2a\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/03\/2024110307392754229.jpg\" class=\"aligncenter\" title=\"\u600e\u4e48\u7406\u89e3java\u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\u63d2\u56fe\" alt=\"\u600e\u4e48\u7406\u89e3java\u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n<p>\u4e8c\u7ef4\u6570\u7ec4\u662f\u5b58\u50a8\u4ee5\u884c\u548c\u5217\u7ec4\u7ec7\u7684\u6570\u636e\u7ed3\u6784\u3002\u5b83\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u62e5\u6709\u591a\u4e2a\u5b50\u6570\u7ec4\uff08\u4e00\u7ef4\u6570\u7ec4\uff09\u7684\u6570\u7ec4\u3002<\/p>\n<p><strong>\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[][] myArray = new int[numRows][numColumns];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d numRows \u662f\u884c\u6570\uff0cnumColumns \u662f\u5217\u6570\u3002<\/p>\n<p><strong>\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n<p>\u901a\u8fc7\u6307\u5b9a\u884c\u548c\u5217\u7d22\u5f15\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a<\/p>\n<pre>myArray[rowIndex][columnIndex]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4e8c\u7ef4\u6570\u7ec4\u7684\u4f18\u52bf<\/strong><\/p>\n<ul>\n<li>\u6309\u884c\u548c\u5217\u7ec4\u7ec7\u6570\u636e\uff0c\u4fbf\u4e8e\u67e5\u627e\u548c\u68c0\u7d22\u3002<\/li>\n<li>\u53ef\u4ee5\u8f7b\u677e\u5730\u5b58\u50a8\u591a\u7ef4\u6570\u636e\uff0c\u4f8b\u5982\u77e9\u9635\u6216\u8868\u683c\u3002<\/li>\n<li>\u7b80\u5316\u7b97\u6cd5\uff0c\u56e0\u4e3a\u6570\u636e\u53ef\u4ee5\u4ee5\u6709\u7ec4\u7ec7\u7684\u65b9\u5f0f\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n<p><strong>\u4e8c\u7ef4\u6570\u7ec4\u7684\u7f3a\u70b9<\/strong><\/p>\n<ul>\n<li>\u5bf9\u4e8e\u4e0d\u89c4\u5219\u5927\u5c0f\u6216\u7a00\u758f\u6570\u636e\uff0c\u53ef\u80fd\u6548\u7387\u4f4e\u4e0b\u3002<\/li>\n<li>\u53ef\u80fd\u4f1a\u6d6a\u8d39\u7a7a\u95f4\uff0c\u56e0\u4e3a\u6570\u7ec4\u7684\u5927\u5c0f\u662f\u56fa\u5b9a\u7684\uff0c\u5373\u4f7f\u6709\u4e9b\u5143\u7d20\u6ca1\u6709\u88ab\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<p><strong>\u4e8c\u7ef4\u6570\u7ec4\u4e0e\u4e00\u7ef4\u6570\u7ec4\u7684\u6bd4\u8f83<\/strong><\/p>\n<ul>\n<li> <strong>\u4e00\u7ef4\u6570\u7ec4\uff1a<\/strong>\u5b58\u50a8\u7ebf\u6027\u7684\u6570\u636e\uff0c\u7531\u5355\u4e2a\u7d22\u5f15\u8bbf\u95ee\u3002<\/li>\n<li> <strong>\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/strong>\u5b58\u50a8\u4ee5\u884c\u548c\u5217\u7ec4\u7ec7\u7684\u6570\u636e\uff0c\u7531\u4e24\u4e2a\u7d22\u5f15\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n<p><strong>\u7406\u89e3\u4e8c\u7ef4\u6570\u7ec4\u7684\u793a\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4e00\u4e2a\u5b58\u50a8\u6587\u672c\u7f51\u683c\u7684\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/p>\n<pre>String[][] grid = new String[3][4];\n\ngrid[0][0] = \"A\";\ngrid[0][1] = \"B\";\ngrid[0][2] = \"C\";\ngrid[0][3] = \"D\";\ngrid[1][0] = \"E\";\ngrid[1][1] = \"F\";\ngrid[1][2] = \"G\";\ngrid[1][3] = \"H\";\ngrid[2][0] = \"I\";\ngrid[2][1] = \"J\";\ngrid[2][2] = \"K\";\ngrid[2][3] = \"L\";<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u5305\u542b\u4e00\u4e2a 3 \u884c 4 \u5217\u7684\u6587\u672c\u7f51\u683c\u3002\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u884c\u548c\u5217\u7d22\u5f15\u8bbf\u95ee\u6bcf\u4e2a\u5143\u7d20\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>System.out.println(grid[1][2]); \/\/ \u8f93\u51fa \"G\"<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u7406\u89e3java\u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\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 \u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\u662f\u5b58\u50a8\u6309\u884c\u548c\u5217\u7ec4\u7ec7\u7684\u6570\u636e\u7ed3\u6784\uff0c\u672c\u8d28\u662f\u4e00\u4e2a\u5305\u542b\u591a\u4e2a\u4e00\u7ef4\u6570\u7ec4\u7684\u6570\u7ec4\u3002\u5b83\u5141\u8bb8\u6309\u884c\u548c\u5217\u8bbf\u95ee\u5143\u7d20\uff0c\u7b80\u5316\u591a\u7ef4\u6570\u636e\u5b58\u50a8\u548c\u7b97\u6cd5\u3002\u867d\u7136\u4e8c\u7ef4\u6570\u7ec4\u6613\u4e8e\u67e5\u627e\u6570\u636e\uff0c\u4f46\u5bf9\u4e8e\u4e0d\u89c4\u5219\u5927\u5c0f\u6216\u7a00\u758f\u6570\u636e\u53ef\u80fd\u6548\u7387\u4f4e\u4e0b\uff0c\u5e76\u4e14\u53ef\u80fd\u4f1a\u6d6a\u8d39\u7a7a\u95f4\u3002\u7406\u89e3\u4e8c\u7ef4\u6570\u7ec4\u53ef\u53c2\u8003\u4ee5\u4e0b\u793a\u4f8b\uff1a\u4e00\u4e2a\u5b58\u50a8\u6587\u672c\u7f51\u683c\u7684 3 \u884c 4 \u5217\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5176\u4e2d\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u884c\u548c\u5217\u7d22\u5f15\u8bbf\u95ee\u6bcf\u4e2a\u5143\u7d20\u3002 Java \u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4 \u4e8c\u7ef4\u6570\u7ec4\u662f\u5b58\u50a8\u4ee5\u884c\u548c\u5217\u7ec4\u7ec7\u7684\u6570\u636e\u7ed3\u6784\u3002\u5b83\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u62e5\u6709\u591a\u4e2a\u5b50\u6570\u7ec4\uff08\u4e00\u7ef4\u6570\u7ec4\uff09\u7684\u6570\u7ec4\u3002 \u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4 \u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[][] myArray = new int[numRows][numColumns]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d numRows \u662f\u884c\u6570\uff0cnumColumns \u662f\u5217\u6570\u3002 \u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4 \u901a\u8fc7\u6307\u5b9a\u884c\u548c\u5217\u7d22\u5f15\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a myArray[rowIndex][columnIndex] \u767b\u5f55\u540e\u590d\u5236 \u4e8c\u7ef4\u6570\u7ec4\u7684\u4f18\u52bf \u6309\u884c\u548c\u5217\u7ec4\u7ec7\u6570\u636e\uff0c\u4fbf\u4e8e\u67e5\u627e\u548c\u68c0\u7d22\u3002 \u53ef\u4ee5\u8f7b\u677e\u5730\u5b58\u50a8\u591a\u7ef4\u6570\u636e\uff0c\u4f8b\u5982\u77e9\u9635\u6216\u8868\u683c\u3002 \u7b80\u5316\u7b97\u6cd5\uff0c\u56e0\u4e3a\u6570\u636e\u53ef\u4ee5\u4ee5\u6709\u7ec4\u7ec7\u7684\u65b9\u5f0f\u8bbf\u95ee\u3002 \u4e8c\u7ef4\u6570\u7ec4\u7684\u7f3a\u70b9 \u5bf9\u4e8e\u4e0d\u89c4\u5219\u5927\u5c0f\u6216\u7a00\u758f\u6570\u636e\uff0c\u53ef\u80fd\u6548\u7387\u4f4e\u4e0b\u3002 \u53ef\u80fd\u4f1a\u6d6a\u8d39\u7a7a\u95f4\uff0c\u56e0\u4e3a\u6570\u7ec4\u7684\u5927\u5c0f\u662f\u56fa\u5b9a\u7684\uff0c\u5373\u4f7f\u6709\u4e9b\u5143\u7d20\u6ca1\u6709\u88ab\u4f7f\u7528\u3002 \u4e8c\u7ef4\u6570\u7ec4\u4e0e\u4e00\u7ef4\u6570\u7ec4\u7684\u6bd4\u8f83 \u4e00\u7ef4\u6570\u7ec4\uff1a\u5b58\u50a8\u7ebf\u6027\u7684\u6570\u636e\uff0c\u7531\u5355\u4e2a\u7d22\u5f15\u8bbf\u95ee\u3002 \u4e8c\u7ef4\u6570\u7ec4\uff1a\u5b58\u50a8\u4ee5\u884c\u548c\u5217\u7ec4\u7ec7\u7684\u6570\u636e\uff0c\u7531\u4e24\u4e2a\u7d22\u5f15\u8bbf\u95ee\u3002 \u7406\u89e3\u4e8c\u7ef4\u6570\u7ec4\u7684\u793a\u4f8b \u8003\u8651\u4e00\u4e2a\u5b58\u50a8\u6587\u672c\u7f51\u683c\u7684\u4e8c\u7ef4\u6570\u7ec4\uff1a String[][] grid = new String[3][4]; grid[0][0] = &#8220;A&#8221;; grid[0][1] = &#8220;B&#8221;; grid[0][2] = &#8220;C&#8221;; grid[0][3] = &#8220;D&#8221;; [&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-34985","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34985","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=34985"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34985\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=34985"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=34985"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=34985"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}