{"id":40131,"date":"2024-11-26T11:54:48","date_gmt":"2024-11-26T03:54:48","guid":{"rendered":"https:\/\/fwq.ai\/blog\/40131\/"},"modified":"2024-11-26T11:54:48","modified_gmt":"2024-11-26T03:54:48","slug":"java%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e4%ba%a7%e7%94%9f%e9%9a%8f%e6%9c%ba%e6%95%b0%e6%80%8e%e4%b9%88%e6%89%93","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/40131\/","title":{"rendered":"Java\u4e8c\u7ef4\u6570\u7ec4\u4ea7\u751f\u968f\u673a\u6570\u600e\u4e48\u6253"},"content":{"rendered":"<blockquote><p>\n  \u65b9\u6cd5\uff1a\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u548c math.random() \u751f\u6210\u968f\u673a\u6570\uff0c\u5c06\u5176\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u3002\u6b65\u9aa4\uff1a\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\uff1b\u751f\u6210\u968f\u673a\u6570\uff1b\u5c06\u968f\u673a\u6570\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111720544737836.jpg\" class=\"aligncenter\" title=\"Java\u4e8c\u7ef4\u6570\u7ec4\u4ea7\u751f\u968f\u673a\u6570\u600e\u4e48\u6253\u63d2\u56fe\" alt=\"Java\u4e8c\u7ef4\u6570\u7ec4\u4ea7\u751f\u968f\u673a\u6570\u600e\u4e48\u6253\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u7528 Java \u4e8c\u7ef4\u6570\u7ec4\u751f\u6210\u968f\u673a\u6570\uff1f<\/strong><\/p>\n<p><strong>\u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\u7528\u4e8c\u7ef4\u6570\u7ec4\u751f\u6210\u968f\u673a\u6570\uff1a<\/p>\n<ol>\n<li>\u521b\u5efa\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u6765\u5b58\u50a8\u968f\u673a\u6570\u3002<\/li>\n<li>\u4f7f\u7528 Math.random() \u65b9\u6cd5\u751f\u6210\u6bcf\u4e2a\u968f\u673a\u6570\u3002<\/li>\n<li>\u5c06\u968f\u673a\u6570\u5b58\u50a8\u5728\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u3002<\/li>\n<\/ol>\n<p><strong>\u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>import java.util.Random;\n\npublic class Random2DArray {\n\n    public static void main(String[] args) {\n        \/\/ \u521b\u5efa\u4e00\u4e2a 5x5 \u7684\u4e8c\u7ef4\u6570\u7ec4\u6765\u5b58\u50a8\u968f\u673a\u6570\n        int[][] randomArray = new int[5][5];\n\n        \/\/ \u4f7f\u7528 Math.random() \u751f\u6210\u968f\u673a\u6570\n        Random random = new Random();\n\n        \/\/ \u5c06\u968f\u673a\u6570\u5b58\u50a8\u5728\u4e8c\u7ef4\u6570\u7ec4\u4e2d\n        for (int i = 0; i &lt; randomArray.length; i++) {\n            for (int j = 0; j &lt; randomArray[i].length; j++) {\n                randomArray[i][j] = random.nextInt(100); \/\/ \u751f\u6210 0-99 \u4e4b\u95f4\u7684\u968f\u673a\u6570\n            }\n        }\n\n        \/\/ \u6253\u5370\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u968f\u673a\u6570\n        for (int[] row : randomArray) {\n            for (int number : row) {\n                System.out.print(number + \" \");\n            }\n            System.out.println();\n        }\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u7ed3\u679c\uff1a<\/strong><\/p>\n<p>\u8be5\u4ee3\u7801\u5c06\u751f\u6210\u4e00\u4e2a 5&#215;5 \u7684\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5176\u4e2d\u586b\u5145\u4e86 0-99 \u4e4b\u95f4\u7684\u968f\u673a\u6570\u3002<\/p>\n<p><strong>\u63d0\u793a\uff1a<\/strong><\/p>\n<ul>\n<li>\u60a8\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8c03\u6574\u6570\u7ec4\u7684\u5927\u5c0f\u3002<\/li>\n<li>\u60a8\u53ef\u4ee5\u4f7f\u7528 Math.random() \u65b9\u6cd5\u751f\u6210\u4efb\u4f55\u8303\u56f4\u5185\u7684\u968f\u673a\u6570\u3002<\/li>\n<li>\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 nextInt(int bound) \u65b9\u6cd5\u9650\u5236\u968f\u673a\u6570\u7684\u8303\u56f4\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fJava\u4e8c\u7ef4\u6570\u7ec4\u4ea7\u751f\u968f\u673a\u6570\u600e\u4e48\u6253\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>\u65b9\u6cd5\uff1a\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u548c math.random() \u751f\u6210\u968f\u673a\u6570\uff0c\u5c06\u5176\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u3002\u6b65\u9aa4\uff1a\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\uff1b\u751f\u6210\u968f\u673a\u6570\uff1b\u5c06\u968f\u673a\u6570\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u3002 \u5982\u4f55\u7528 Java \u4e8c\u7ef4\u6570\u7ec4\u751f\u6210\u968f\u673a\u6570\uff1f \u65b9\u6cd5\uff1a \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\u7528\u4e8c\u7ef4\u6570\u7ec4\u751f\u6210\u968f\u673a\u6570\uff1a \u521b\u5efa\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u6765\u5b58\u50a8\u968f\u673a\u6570\u3002 \u4f7f\u7528 Math.random() \u65b9\u6cd5\u751f\u6210\u6bcf\u4e2a\u968f\u673a\u6570\u3002 \u5c06\u968f\u673a\u6570\u5b58\u50a8\u5728\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b import java.util.Random; public class Random2DArray { public static void main(String[] args) { \/\/ \u521b\u5efa\u4e00\u4e2a 5&#215;5 \u7684\u4e8c\u7ef4\u6570\u7ec4\u6765\u5b58\u50a8\u968f\u673a\u6570 int[][] randomArray = new int[5][5]; \/\/ \u4f7f\u7528 Math.random() \u751f\u6210\u968f\u673a\u6570 Random random = new Random(); \/\/ \u5c06\u968f\u673a\u6570\u5b58\u50a8\u5728\u4e8c\u7ef4\u6570\u7ec4\u4e2d for (int i = 0; i [&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-40131","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40131","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=40131"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40131\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=40131"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=40131"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=40131"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}