{"id":1966,"date":"2020-08-08T13:40:10","date_gmt":"2020-08-08T05:40:10","guid":{"rendered":"http:\/\/admin.evshou.com\/?p=1966"},"modified":"2020-08-08T13:40:10","modified_gmt":"2020-08-08T05:40:10","slug":"2020java%e6%95%99%e7%a8%8b%ef%bc%9a%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/www.9713job.com\/?p=1966","title":{"rendered":"2020java\u6559\u7a0b\uff1a\u4e8c\u7ef4\u6570\u7ec4"},"content":{"rendered":"<h3>\u4e8c\u7ef4\u6570\u7ec4<\/h3>\n<pre>\u4e8c\u7ef4\u6570\u7ec4\r\n\u6982\u5ff5\uff1a\r\n\u4e00\u7ef4\u6570\u7ec4\u4e2d\u7684\u4e00\u7ef4\u6570\u7ec4\uff1b\r\n\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u8fd8\u662f\u6570\u7ec4\r\n\u4e8c\u7ef4\u6570\u7ec4\u76f8\u5f53\u4e8e\u4e00\u4e2a\u591a\u884c\u591a\u5217\u7684\u8868\u683c\r\n      A      B      C\r\n1   cary    25     man\r\n2   hanni   20    woman\r\n3   jeri    18     man\r\n4   koy     15     man\r\n5   hai     22    woman\r\n\u67e5\u627eA3\u5355\u5143\u683c\r\n\u4e8c\u7ef4\u6570\u7ec4\u7684\u8bed\u6cd5\u4e3a\uff1aarr[3][A]\r\n\u884c\u4e0b\u6807\u5728\u524d\uff0c\u5217\u4e0b\u6807\u5728\u540e<\/pre>\n<p><!--more--><\/p>\n<p>\u4e8c\u7ef4\u6570\u7ec4\u7684\u521b\u5efa<\/p>\n<pre>int[][] arr=new int[3][5];\r\n\/\/\u521b\u5efa\u4e00\u4e2a3\u884c5\u5217\u7684\u4e8c\u7ef4\u6570\u7ec4\r\narr[0][2]=5;\r\narr[0][3]=7;\r\narr[1][3]=11;\r\narr[1][4]=12;\r\narr[2][4]=21;\r\n\/*\r\n0       0   0   5   7   0\r\n1       0   0   0  11   12\r\n2       0   0   0   0   21\r\n\r\n        0   1   2   3   4\r\n *\/\r\n\r\n\u4e8c\u7ef4\u6570\u7ec4\u7684\u904d\u5386<\/pre>\n<pre>for(int i=0;i&lt;arr.length;i++){\r\n    \/\/\u5faa\u73afarr\u6570\u7ec4\uff0c\u8ddf\u4e5d\u4e5d\u4e58\u6cd5\u8868\u7c7b\u4f3c\r\n    for(int j=0;j&lt;arr[i].length;j++){\r\n        System.out.print(arr[i][j]+\"\\t\");\r\n    }\r\n    System.out.println();\r\n}\r\n\r\n\u4e8c\u7ef4\u6570\u7ec4\u7684\u521b\u5efa\u8bed\u6cd5\r\n        \r\n\u4e0d\u89c4\u5219\u6570\u7ec4\uff0c\u81ea\u884cnew\u4f4e\u7ef4\u6570\u7ec4\r\nint[][] arr=new int[\u9ad8\u7ef4\u6570\u7ec4][];\r\n\u521b\u5efa\u9ad8\u7ef4\u548c\u4f4e\u7ef4\u6570\u7ec4\u5e76\u5206\u914d\u7a7a\u95f4\r\nint[][] arr=new int[\u9ad8\u7ef4][\u4f4e\u7ef4];\r\n\u58f0\u660e\u5e76\u8d4b\u503c,\u663e\u793a\u521d\u59cb\u5316\r\nint[][] arr={{1,2,3},{1,2},{1,2,3,4,5,6}};<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4e8c\u7ef4\u6570\u7ec4 \u4e8c\u7ef4\u6570\u7ec4 \u6982\u5ff5\uff1a \u4e00\u7ef4\u6570\u7ec4\u4e2d\u7684\u4e00\u7ef4\u6570\u7ec4\uff1b \u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u8fd8\u662f\u6570\u7ec4 \u4e8c\u7ef4\u6570\u7ec4\u76f8\u5f53\u4e8e\u4e00\u4e2a\u591a\u884c\u591a\u5217\u7684\u8868\u683c  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-1966","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts\/1966","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1966"}],"version-history":[{"count":5,"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts\/1966\/revisions"}],"predecessor-version":[{"id":1971,"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts\/1966\/revisions\/1971"}],"wp:attachment":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1966"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1966"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1966"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}