{"id":65328,"date":"2025-05-03T17:24:39","date_gmt":"2025-05-03T09:24:39","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65328\/"},"modified":"2025-05-03T17:24:39","modified_gmt":"2025-05-03T09:24:39","slug":"java-%e6%95%b0%e7%bb%84%e5%af%b9%e8%b1%a1%e6%80%8e%e4%b9%88%e4%b9%b1%e5%ba%8f-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65328\/","title":{"rendered":"java \u6570\u7ec4\u5bf9\u8c61\u600e\u4e48\u4e71\u5e8f"},"content":{"rendered":"<blockquote><p>\n  \u6709\u4e24\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5bf9 java \u6570\u7ec4\u5bf9\u8c61\u8fdb\u884c\u4e71\u5e8f\uff1a\u4f7f\u7528 collections.shuffle() \u65b9\u6cd5\u5c06\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u6253\u4e71\u3002\u4f7f\u7528\u81ea\u5b9a\u4e49\u7684\u6392\u5e8f\u7b97\u6cd5\uff0c\u5982 fisher-yates \u6d17\u724c\u7b97\u6cd5\uff0c\u6765\u5bf9\u6570\u7ec4\u8fdb\u884c\u4e71\u5e8f\uff0c\u8be5\u7b97\u6cd5\u901a\u8fc7\u968f\u673a\u4ea4\u6362\u5143\u7d20\u6765\u6253\u4e71\u6570\u7ec4\u987a\u5e8f\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/12\/2024111220422250245.jpg\" class=\"aligncenter\" title=\"java \u6570\u7ec4\u5bf9\u8c61\u600e\u4e48\u4e71\u5e8f\u63d2\u56fe\" alt=\"java \u6570\u7ec4\u5bf9\u8c61\u600e\u4e48\u4e71\u5e8f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5bf9 Java \u6570\u7ec4\u5bf9\u8c61\u8fdb\u884c\u4e71\u5e8f<\/strong><\/p>\n<p><strong>\u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528 Collections.shuffle()<\/strong><\/p>\n<p>Collections.shuffle() \u65b9\u6cd5\u53ef\u4ee5\u5c06\u6307\u5b9a\u7684\u5217\u8868\uff08\u6570\u7ec4\u4e5f\u662f\u4e00\u79cd\u5217\u8868\uff09\u4e2d\u7684\u5143\u7d20\u6253\u4e71\u3002<\/p>\n<pre>import java.util.Arrays;\nimport java.util.Collections;\n\npublic class ArrayShuffle {\n\n    public static void main(String[] args) {\n        int[] arr = {1, 2, 3, 4, 5};\n        Collections.shuffle(Arrays.asList(arr));\n        System.out.println(Arrays.toString(arr));  \/\/ \u8f93\u51fa\u4e71\u5e8f\u540e\u7684\u6570\u7ec4\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u65b9\u6cd5\u4e8c\uff1a\u81ea\u5b9a\u4e49\u6392\u5e8f<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u81ea\u5b9a\u4e49\u7684\u6392\u5e8f\u7b97\u6cd5\u6765\u5bf9\u6570\u7ec4\u8fdb\u884c\u4e71\u5e8f\u3002\u4f8b\u5982\uff0cFisher-Yates \u6d17\u724c\u7b97\u6cd5\uff1a<\/p>\n<pre>public class ArrayShuffle {\n\n    public static void main(String[] args) {\n        int[] arr = {1, 2, 3, 4, 5};\n        shuffle(arr);\n        System.out.println(Arrays.toString(arr));  \/\/ \u8f93\u51fa\u4e71\u5e8f\u540e\u7684\u6570\u7ec4\n    }\n\n    public static void shuffle(int[] arr) {\n        for (int i = 0; i &lt; arr.length; i++) {\n            int randomIndex = i + (int) (Math.random() * (arr.length - i));\n            int temp = arr[i];\n            arr[i] = arr[randomIndex];\n            arr[randomIndex] = temp;\n        }\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava \u6570\u7ec4\u5bf9\u8c61\u600e\u4e48\u4e71\u5e8f\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>\u6709\u4e24\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5bf9 java \u6570\u7ec4\u5bf9\u8c61\u8fdb\u884c\u4e71\u5e8f\uff1a\u4f7f\u7528 collections.shuffle() \u65b9\u6cd5\u5c06\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u6253\u4e71\u3002\u4f7f\u7528\u81ea\u5b9a\u4e49\u7684\u6392\u5e8f\u7b97\u6cd5\uff0c\u5982 fisher-yates \u6d17\u724c\u7b97\u6cd5\uff0c\u6765\u5bf9\u6570\u7ec4\u8fdb\u884c\u4e71\u5e8f\uff0c\u8be5\u7b97\u6cd5\u901a\u8fc7\u968f\u673a\u4ea4\u6362\u5143\u7d20\u6765\u6253\u4e71\u6570\u7ec4\u987a\u5e8f\u3002 \u5982\u4f55\u5bf9 Java \u6570\u7ec4\u5bf9\u8c61\u8fdb\u884c\u4e71\u5e8f \u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528 Collections.shuffle() Collections.shuffle() \u65b9\u6cd5\u53ef\u4ee5\u5c06\u6307\u5b9a\u7684\u5217\u8868\uff08\u6570\u7ec4\u4e5f\u662f\u4e00\u79cd\u5217\u8868\uff09\u4e2d\u7684\u5143\u7d20\u6253\u4e71\u3002 import java.util.Arrays; import java.util.Collections; public class ArrayShuffle { public static void main(String[] args) { int[] arr = {1, 2, 3, 4, 5}; Collections.shuffle(Arrays.asList(arr)); System.out.println(Arrays.toString(arr)); \/\/ \u8f93\u51fa\u4e71\u5e8f\u540e\u7684\u6570\u7ec4 } } \u767b\u5f55\u540e\u590d\u5236 \u65b9\u6cd5\u4e8c\uff1a\u81ea\u5b9a\u4e49\u6392\u5e8f \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u53ef\u4ee5\u4f7f\u7528\u81ea\u5b9a\u4e49\u7684\u6392\u5e8f\u7b97\u6cd5\u6765\u5bf9\u6570\u7ec4\u8fdb\u884c\u4e71\u5e8f\u3002\u4f8b\u5982\uff0cFisher-Yates \u6d17\u724c\u7b97\u6cd5\uff1a public class ArrayShuffle { public static void main(String[] [&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-65328","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65328","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=65328"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65328\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65328"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65328"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65328"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}