{"id":66482,"date":"2025-05-03T09:40:53","date_gmt":"2025-05-03T01:40:53","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66482\/"},"modified":"2025-05-03T09:40:53","modified_gmt":"2025-05-03T01:40:53","slug":"java%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%ae%9a%e8%a1%8c%e5%88%97-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66482\/","title":{"rendered":"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u5b9a\u884c\u5217"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4\u7684\u884c\u5217\u987a\u5e8f\u4e3a\uff1aint[][] \u8bed\u6cd5\uff0c\u5176\u4e2d\u7b2c\u4e00\u4e2a [] \u8868\u793a\u884c\u6570\uff0c\u7b2c\u4e8c\u4e2a [] \u8868\u793a\u5217\u6570\u3002\u4f8b\u5982\uff0cint[][] myarray = new int3 \u5b9a\u4e49\u4e86 3 \u884c 4 \u5217\u7684\u4e8c\u7ef4\u6570\u7ec4\u3002\u5143\u7d20\u8bbf\u95ee\u8bed\u6cd5\u4e3a\uff1aarraynamerow\uff0c\u5176\u4e2d row \u548c column \u5206\u522b\u8868\u793a\u884c\u7684\u7d22\u5f15\u548c\u5217\u7684\u7d22\u5f15\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u8ba1\u6570\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111604423910510.jpg\" class=\"aligncenter\" title=\"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u5b9a\u884c\u5217\u63d2\u56fe\" alt=\"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u5b9a\u884c\u5217\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e8c\u7ef4\u6570\u7ec4\u884c\u5217\u5b9a\u4e49<\/strong><\/p>\n<p><strong>\u95ee\u9898\uff1a<\/strong>\u5982\u4f55\u5b9a\u4e49 Java \u4e2d\u4e8c\u7ef4\u6570\u7ec4\u7684\u884c\u5217\uff1f<\/p>\n<p><strong>\u7b54\u6848\uff1a<\/strong>\u4f7f\u7528 int[][] \u8bed\u6cd5\uff0c\u5176\u4e2d\u7b2c\u4e00\u4e2a [] \u8868\u793a\u884c\u6570\uff0c\u7b2c\u4e8c\u4e2a [] \u8868\u793a\u5217\u6570\u3002<\/p>\n<p><strong>\u8be6\u7ec6\u8bf4\u660e\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4\u65f6\uff0c\u9700\u8981\u6307\u5b9a\u884c\u6570\u548c\u5217\u6570\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>int[][] arrayName = new int[rowCount][columnCount];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>arrayName \u662f\u6570\u7ec4\u540d\u79f0\u3002<\/li>\n<li>rowCount \u662f\u6570\u7ec4\u7684\u884c\u6570\u3002<\/li>\n<li>columnCount \u662f\u6570\u7ec4\u7684\u5217\u6570\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u8981\u521b\u5efa\u4e00\u4e2a 3 \u884c 4 \u5217\u7684\u4e8c\u7ef4\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>int[][] myArray = new int[3][4];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u4e2a\u6570\u7ec4\u5c06\u5305\u542b 3 \u884c\uff0c\u6bcf\u884c\u5305\u542b 4 \u5217\uff0c\u603b\u5171\u6709 12 \u4e2a\u5143\u7d20\u3002<\/p>\n<p><strong>\u5143\u7d20\u8bbf\u95ee\uff1a<\/strong><\/p>\n<p>\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u8bed\u6cd5\u8bbf\u95ee\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>row \u662f\u884c\u7684\u7d22\u5f15\uff0c\u4ece 0 \u5f00\u59cb\u8ba1\u6570\u3002<\/li>\n<li>column \u662f\u5217\u7684\u7d22\u5f15\uff0c\u4e5f\u4ece 0 \u5f00\u59cb\u8ba1\u6570\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u8981\u8bbf\u95ee myArray \u6570\u7ec4\u4e2d\u7b2c\u4e00\u884c\u7b2c\u4e09\u5217\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>myArray[0][2]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u5b9a\u884c\u5217\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\u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4\u7684\u884c\u5217\u987a\u5e8f\u4e3a\uff1aint[][] \u8bed\u6cd5\uff0c\u5176\u4e2d\u7b2c\u4e00\u4e2a [] \u8868\u793a\u884c\u6570\uff0c\u7b2c\u4e8c\u4e2a [] \u8868\u793a\u5217\u6570\u3002\u4f8b\u5982\uff0cint[][] myarray = new int3 \u5b9a\u4e49\u4e86 3 \u884c 4 \u5217\u7684\u4e8c\u7ef4\u6570\u7ec4\u3002\u5143\u7d20\u8bbf\u95ee\u8bed\u6cd5\u4e3a\uff1aarraynamerow\uff0c\u5176\u4e2d row \u548c column \u5206\u522b\u8868\u793a\u884c\u7684\u7d22\u5f15\u548c\u5217\u7684\u7d22\u5f15\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u8ba1\u6570\u3002 Java \u4e8c\u7ef4\u6570\u7ec4\u884c\u5217\u5b9a\u4e49 \u95ee\u9898\uff1a\u5982\u4f55\u5b9a\u4e49 Java \u4e2d\u4e8c\u7ef4\u6570\u7ec4\u7684\u884c\u5217\uff1f \u7b54\u6848\uff1a\u4f7f\u7528 int[][] \u8bed\u6cd5\uff0c\u5176\u4e2d\u7b2c\u4e00\u4e2a [] \u8868\u793a\u884c\u6570\uff0c\u7b2c\u4e8c\u4e2a [] \u8868\u793a\u5217\u6570\u3002 \u8be6\u7ec6\u8bf4\u660e\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4\u65f6\uff0c\u9700\u8981\u6307\u5b9a\u884c\u6570\u548c\u5217\u6570\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a int[][] arrayName = new int[rowCount][columnCount]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a arrayName \u662f\u6570\u7ec4\u540d\u79f0\u3002 rowCount \u662f\u6570\u7ec4\u7684\u884c\u6570\u3002 columnCount \u662f\u6570\u7ec4\u7684\u5217\u6570\u3002 \u4f8b\u5982\uff0c\u8981\u521b\u5efa\u4e00\u4e2a 3 \u884c 4 \u5217\u7684\u4e8c\u7ef4\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a [&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-66482","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66482","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=66482"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66482\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66482"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66482"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}