{"id":39269,"date":"2024-11-26T15:09:08","date_gmt":"2024-11-26T07:09:08","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39269\/"},"modified":"2024-11-26T15:09:08","modified_gmt":"2024-11-26T07:09:08","slug":"%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e6%b1%82%e9%95%bf%e5%ba%a6-java","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39269\/","title":{"rendered":"\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u6c42\u957f\u5ea6 java"},"content":{"rendered":"<blockquote><p>\n  \u4e8c\u7ef4\u6570\u7ec4\u6c42\u957f\u5ea6 melibatkan penentuan jumlah baris dan kolomnya. jumlah baris dapat diperoleh dengan properti length, sedangkan jumlah kolom dapat diperoleh dengan mengambil panjang baris pertama, dengan asumsi setiap baris memiliki panjang yang sama.\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111605544450159.jpg\" class=\"aligncenter\" title=\"\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u6c42\u957f\u5ea6 java\u63d2\u56fe\" alt=\"\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u6c42\u957f\u5ea6 java\u63d2\u56fe\" \/><\/p>\n<p><strong>\u4e8c\u7ef4\u6570\u7ec4\u6c42\u957f\u5ea6<\/strong><\/p>\n<p>\u4e8c\u7ef4\u6570\u7ec4\u662f\u6570\u7ec4\u7684\u6570\u7ec4\uff0c\u5c31\u50cf\u4e00\u4e2a\u8868\u683c\uff0c\u7531\u884c\u548c\u5217\u7ec4\u6210\u3002\u6c42\u4e8c\u7ef4\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u9700\u8981\u77e5\u9053\u5b83\u7684\u884c\u6570\u548c\u5217\u6570\u3002<\/p>\n<p><strong>\u5982\u4f55\u6c42\u884c\u6570<\/strong><\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7 length \u5c5e\u6027\u83b7\u53d6\u4e8c\u7ef4\u6570\u7ec4\u7684\u884c\u6570\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int rowCount = array.length;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u5982\u4f55\u6c42\u5217\u6570<\/strong><\/p>\n<p>\u82e5\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e00\u884c\u90fd\u6709\u76f8\u540c\u957f\u5ea6\uff0c\u53ef\u4ee5\u901a\u8fc7\u83b7\u53d6\u7b2c\u4e00\u884c\u7684\u957f\u5ea6\u6765\u5f97\u5230\u5217\u6570\uff1a<\/p>\n<pre>int colCount = array[0].length;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u5047\u8bbe\u6709\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4 array\uff0c\u5b83\u6709 3 \u884c 4 \u5217\uff1a<\/p>\n<pre>int[][] array = new int[3][4];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u6c42\u51fa\u5b83\u7684\u884c\u6570\u548c\u5217\u6570\uff1a<\/p>\n<pre>int rowCount = array.length; \/\/ \u884c\u6570\u4e3a 3\nint colCount = array[0].length; \/\/ \u5217\u6570\u4e3a 4<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u6c42\u957f\u5ea6 java\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\u6c42\u957f\u5ea6 melibatkan penentuan jumlah baris dan kolomnya. jumlah baris dapat diperoleh dengan properti length, sedangkan jumlah kolom dapat diperoleh dengan mengambil panjang baris pertama, dengan asumsi setiap baris memiliki panjang yang sama. \u4e8c\u7ef4\u6570\u7ec4\u6c42\u957f\u5ea6 \u4e8c\u7ef4\u6570\u7ec4\u662f\u6570\u7ec4\u7684\u6570\u7ec4\uff0c\u5c31\u50cf\u4e00\u4e2a\u8868\u683c\uff0c\u7531\u884c\u548c\u5217\u7ec4\u6210\u3002\u6c42\u4e8c\u7ef4\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u9700\u8981\u77e5\u9053\u5b83\u7684\u884c\u6570\u548c\u5217\u6570\u3002 \u5982\u4f55\u6c42\u884c\u6570 \u53ef\u4ee5\u901a\u8fc7 length \u5c5e\u6027\u83b7\u53d6\u4e8c\u7ef4\u6570\u7ec4\u7684\u884c\u6570\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int rowCount = array.length; \u767b\u5f55\u540e\u590d\u5236 \u5982\u4f55\u6c42\u5217\u6570 \u82e5\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e00\u884c\u90fd\u6709\u76f8\u540c\u957f\u5ea6\uff0c\u53ef\u4ee5\u901a\u8fc7\u83b7\u53d6\u7b2c\u4e00\u884c\u7684\u957f\u5ea6\u6765\u5f97\u5230\u5217\u6570\uff1a int colCount = array[0].length; \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b \u5047\u8bbe\u6709\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4 array\uff0c\u5b83\u6709 3 [&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-39269","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39269","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=39269"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39269\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}