{"id":35557,"date":"2024-11-26T15:24:15","date_gmt":"2024-11-26T07:24:15","guid":{"rendered":"https:\/\/fwq.ai\/blog\/35557\/"},"modified":"2024-11-26T15:24:15","modified_gmt":"2024-11-26T07:24:15","slug":"java%e7%9a%84%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e8%af%a5%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/35557\/","title":{"rendered":"java\u7684\u4e8c\u7ef4\u6570\u7ec4\u8be5\u600e\u4e48\u5b9a\u4e49"},"content":{"rendered":"<blockquote><p>\n  \u4e8c\u7ef4\u6570\u7ec4\u662f\u5305\u542b\u4e00\u7ef4\u6570\u7ec4\u7684\u6570\u7ec4\u3002\u8981\u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4\uff0c\u4f7f\u7528\u8bed\u6cd5 datatype[][] arrayname = new datatyperows\uff0c\u5176\u4e2d datatype \u662f\u6570\u636e\u7c7b\u578b\uff0carrayname \u662f\u6570\u7ec4\u540d\u79f0\uff0crows \u662f\u884c\u6570\uff0ccolumns \u662f\u5217\u6570\u3002\u5143\u7d20\u8bbf\u95ee\u8bed\u6cd5\u4e3a arraynamerow\uff0c\u4e5f\u53ef\u901a\u8fc7\u5d4c\u5957\u5faa\u73af\u904d\u5386\u6240\u6709\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/04\/2024110405514295997.jpg\" class=\"aligncenter\" title=\"java\u7684\u4e8c\u7ef4\u6570\u7ec4\u8be5\u600e\u4e48\u5b9a\u4e49\u63d2\u56fe\" alt=\"java\u7684\u4e8c\u7ef4\u6570\u7ec4\u8be5\u600e\u4e48\u5b9a\u4e49\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u4e2a\u5305\u542b\u4e00\u4e2a\u6216\u591a\u4e2a\u4e00\u7ef4\u6570\u7ec4\u7684\u6570\u7ec4\u3002\u8981\u5b9a\u4e49\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>dataType[][] arrayName = new dataType[rows][columns];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>dataType \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b\u3002<\/li>\n<li>arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n<li>rows \u662f\u6570\u7ec4\u4e2d\u884c\u7684\u6570\u91cf\u3002<\/li>\n<li>columns \u662f\u6570\u7ec4\u4e2d\u5217\u7684\u6570\u91cf\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u4ee5\u4e0b\u4ee3\u7801\u5b9a\u4e49\u4e86\u4e00\u4e2a 3 \u884c 4 \u5217\u7684 int \u578b\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/p>\n<pre>int[][] numbers = new int[3][4];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8981\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>arrayName[row][column]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n<li>row \u662f\u8981\u8bbf\u95ee\u7684\u884c\u53f7\uff08\u4ece 0 \u5f00\u59cb\uff09\u3002<\/li>\n<li>column \u662f\u8981\u8bbf\u95ee\u7684\u5217\u53f7\uff08\u4ece 0 \u5f00\u59cb\uff09\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u4ee5\u4e0b\u4ee3\u7801\u8bbf\u95ee numbers \u6570\u7ec4\u4e2d\u7b2c\u4e09\u884c\u7b2c\u4e8c\u5217\u7684\u5143\u7d20\uff1a<\/p>\n<pre>int number = numbers[2][1];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u4ee5\u4e0b\u4ee3\u7801\u904d\u5386 numbers \u6570\u7ec4\u5e76\u6253\u5370\u5176\u6240\u6709\u5143\u7d20\uff1a<\/p>\n<pre>for (int row = 0; row &lt; numbers.length; row++) {\n    for (int column = 0; column &lt; numbers[row].length; column++) {\n        System.out.println(numbers[row][column]);\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u7684\u4e8c\u7ef4\u6570\u7ec4\u8be5\u600e\u4e48\u5b9a\u4e49\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\u5305\u542b\u4e00\u7ef4\u6570\u7ec4\u7684\u6570\u7ec4\u3002\u8981\u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4\uff0c\u4f7f\u7528\u8bed\u6cd5 datatype[][] arrayname = new datatyperows\uff0c\u5176\u4e2d datatype \u662f\u6570\u636e\u7c7b\u578b\uff0carrayname \u662f\u6570\u7ec4\u540d\u79f0\uff0crows \u662f\u884c\u6570\uff0ccolumns \u662f\u5217\u6570\u3002\u5143\u7d20\u8bbf\u95ee\u8bed\u6cd5\u4e3a arraynamerow\uff0c\u4e5f\u53ef\u901a\u8fc7\u5d4c\u5957\u5faa\u73af\u904d\u5386\u6240\u6709\u5143\u7d20\u3002 Java \u4e2d\u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u4e2a\u5305\u542b\u4e00\u4e2a\u6216\u591a\u4e2a\u4e00\u7ef4\u6570\u7ec4\u7684\u6570\u7ec4\u3002\u8981\u5b9a\u4e49\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a dataType[][] arrayName = new dataType[rows][columns]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a dataType \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b\u3002 arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002 rows \u662f\u6570\u7ec4\u4e2d\u884c\u7684\u6570\u91cf\u3002 columns \u662f\u6570\u7ec4\u4e2d\u5217\u7684\u6570\u91cf\u3002 \u793a\u4f8b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4ee5\u4e0b\u4ee3\u7801\u5b9a\u4e49\u4e86\u4e00\u4e2a 3 \u884c 4 \u5217\u7684 int \u578b\u4e8c\u7ef4\u6570\u7ec4\uff1a int[][] numbers = new int[3][4]; \u767b\u5f55\u540e\u590d\u5236 \u8981\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a arrayName[row][column] \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002 row \u662f\u8981\u8bbf\u95ee\u7684\u884c\u53f7\uff08\u4ece [&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-35557","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35557","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=35557"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35557\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=35557"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=35557"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=35557"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}