{"id":38187,"date":"2024-11-26T08:09:16","date_gmt":"2024-11-26T00:09:16","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38187\/"},"modified":"2024-11-26T08:09:16","modified_gmt":"2024-11-26T00:09:16","slug":"java%e4%b8%ad%e9%9a%8f%e6%9c%ba%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38187\/","title":{"rendered":"java\u4e2d\u968f\u673a\u6570\u7ec4\u600e\u4e48\u5b9a\u4e49"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u6709\u4e09\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5b9a\u4e49\u968f\u673a\u6570\u7ec4\uff1a\u4f7f\u7528 math.random() \u6765\u751f\u6210\u5e76\u586b\u5145\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002\u4f7f\u7528 random \u7c7b\u6765\u751f\u6210\u5e76\u586b\u5145\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002\u4f7f\u7528 java 8 \u7684 stream api \u6765\u751f\u6210\u5e76\u586b\u5145\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/14\/2024111410242923098.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u968f\u673a\u6570\u7ec4\u600e\u4e48\u5b9a\u4e49\u63d2\u56fe\" alt=\"java\u4e2d\u968f\u673a\u6570\u7ec4\u600e\u4e48\u5b9a\u4e49\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u5b9a\u4e49\u968f\u673a\u6570\u7ec4<\/strong><\/p>\n<p><strong>\u65b9\u6cd5 1\uff1a\u4f7f\u7528 Math.random()<\/strong><\/p>\n<pre>int[] randomArray = new int[size];\nfor (int i = 0; i &lt; randomArray.length; i++) {\n    randomArray[i] = (int) (Math.random() * (max - min + 1)) + min;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>size\uff1a\u6570\u7ec4\u5927\u5c0f<\/li>\n<li>max\uff1a\u968f\u673a\u6570\u6700\u5927\u503c<\/li>\n<li>min\uff1a\u968f\u673a\u6570\u6700\u5c0f\u503c<\/li>\n<\/ul>\n<p><strong>\u65b9\u6cd5 2\uff1a\u4f7f\u7528 Random \u7c7b<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>Random random = new Random();\nint[] randomArray = new int[size];\nfor (int i = 0; i &lt; randomArray.length; i++) {\n    randomArray[i] = random.nextInt(max - min + 1) + min;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u65b9\u6cd5 3\uff1a\u4f7f\u7528 Java 8 \u7684 Stream API<\/strong><\/p>\n<pre>int[] randomArray = IntStream.range(0, size)\n        .map(i -&gt; (int) (Math.random() * (max - min + 1)) + min)\n        .toArray();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u968f\u673a\u6570\u7ec4\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>\u5728 java \u4e2d\uff0c\u6709\u4e09\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5b9a\u4e49\u968f\u673a\u6570\u7ec4\uff1a\u4f7f\u7528 math.random() \u6765\u751f\u6210\u5e76\u586b\u5145\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002\u4f7f\u7528 random \u7c7b\u6765\u751f\u6210\u5e76\u586b\u5145\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002\u4f7f\u7528 java 8 \u7684 stream api \u6765\u751f\u6210\u5e76\u586b\u5145\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002 \u5982\u4f55\u5728 Java \u4e2d\u5b9a\u4e49\u968f\u673a\u6570\u7ec4 \u65b9\u6cd5 1\uff1a\u4f7f\u7528 Math.random() int[] randomArray = new int[size]; for (int i = 0; i &lt; randomArray.length; i++) { randomArray[i] = (int) (Math.random() * (max &#8211; min + 1)) + min; } \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a size\uff1a\u6570\u7ec4\u5927\u5c0f max\uff1a\u968f\u673a\u6570\u6700\u5927\u503c min\uff1a\u968f\u673a\u6570\u6700\u5c0f\u503c \u65b9\u6cd5 2\uff1a\u4f7f\u7528 Random [&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-38187","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38187","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=38187"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38187\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38187"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38187"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38187"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}