{"id":65549,"date":"2025-05-03T14:22:21","date_gmt":"2025-05-03T06:22:21","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65549\/"},"modified":"2025-05-03T14:22:21","modified_gmt":"2025-05-03T06:22:21","slug":"java%e6%80%8e%e4%b9%88%e5%af%b9%e6%95%b0%e7%bb%84%e8%bf%9b%e8%a1%8c%e9%99%8d%e5%ba%8f-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65549\/","title":{"rendered":"java\u600e\u4e48\u5bf9\u6570\u7ec4\u8fdb\u884c\u964d\u5e8f"},"content":{"rendered":"

\n \u5982\u4f55\u5728 java \u4e2d\u5bf9\u6570\u7ec4\u8fdb\u884c\u964d\u5e8f\u6392\u5e8f\uff1f\u5bfc\u5165\u6392\u5e8f\u7b97\u6cd5\u5e93\uff1aimport java.util.arrays;\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\uff1b\u4f7f\u7528 arrays.sort() \u65b9\u6cd5\uff0c\u6307\u5b9a\u6bd4\u8f83\u5668 collections.reverseorder() \u8fdb\u884c\u964d\u5e8f\u6392\u5e8f\uff1b\u6253\u5370\u6392\u5e8f\u540e\u7684\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u5bf9\u6570\u7ec4\u8fdb\u884c\u964d\u5e8f\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5bf9 Java \u6570\u7ec4\u8fdb\u884c\u964d\u5e8f\u6392\u5e8f<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u5bf9\u6570\u7ec4\u8fdb\u884c\u964d\u5e8f\u6392\u5e8f\u7684\u8fc7\u7a0b\u975e\u5e38\u7b80\u5355\u3002\u4ee5\u4e0b\u662f\u7528 Java \u5bf9\u6570\u7ec4\u8fdb\u884c\u964d\u5e8f\u6392\u5e8f\u7684\u6b65\u9aa4\uff1a<\/p>\n

1. \u5bfc\u5165\u6392\u5e8f\u7b97\u6cd5\u5e93<\/strong><\/p>\n

import java.util.Arrays;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2. \u521b\u5efa\u4e00\u4e2a\u6570\u7ec4<\/strong><\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
int[] arr = {5, 2, 8, 3, 1};<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
3. \u4f7f\u7528 Arrays.sort() \u65b9\u6cd5<\/strong><\/p>\n
\u8be5\u65b9\u6cd5\u63a5\u6536\u4e00\u4e2a\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\uff0c\u5e76\u5bf9\u5176\u8fdb\u884c\u5c31\u5730\u6392\u5e8f\u3002\u8981\u8fdb\u884c\u964d\u5e8f\u6392\u5e8f\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n
Arrays.sort(arr, Collections.reverseOrder());<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u91cc\uff0cCollections.reverseOrder() \u662f\u4e00\u4e2a\u6bd4\u8f83\u5668\uff0c\u7528\u4e8e\u6307\u5b9a\u6392\u5e8f\u987a\u5e8f\u4e3a\u964d\u5e8f\u3002<\/p>\n
4. \u6253\u5370\u6392\u5e8f\u540e\u7684\u6570\u7ec4<\/strong><\/p>\n
System.out.println(Arrays.toString(arr));<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8f93\u51fa\uff1a<\/strong><\/p>\n
[8, 5, 3, 2, 1]<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6570\u7ec4\u5df2\u6210\u529f\u6309\u964d\u5e8f\u6392\u5e8f\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5bf9\u6570\u7ec4\u8fdb\u884c\u964d\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":"
\u5982\u4f55\u5728 java \u4e2d\u5bf9\u6570\u7ec4\u8fdb\u884c\u964d\u5e8f\u6392\u5e8f\uff1f\u5bfc\u5165\u6392\u5e8f\u7b97\u6cd5\u5e93\uff1aimport java.util.arrays;\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\uff1b\u4f7f\u7528 arrays.sort() \u65b9\u6cd5\uff0c\u6307\u5b9a\u6bd4\u8f83\u5668 collections.reverseorder() \u8fdb\u884c\u964d\u5e8f\u6392\u5e8f\uff1b\u6253\u5370\u6392\u5e8f\u540e\u7684\u6570\u7ec4\u3002 \u5982\u4f55\u5bf9 Java \u6570\u7ec4\u8fdb\u884c\u964d\u5e8f\u6392\u5e8f \u5728 Java \u4e2d\uff0c\u5bf9\u6570\u7ec4\u8fdb\u884c\u964d\u5e8f\u6392\u5e8f\u7684\u8fc7\u7a0b\u975e\u5e38\u7b80\u5355\u3002\u4ee5\u4e0b\u662f\u7528 Java \u5bf9\u6570\u7ec4\u8fdb\u884c\u964d\u5e8f\u6392\u5e8f\u7684\u6b65\u9aa4\uff1a 1. \u5bfc\u5165\u6392\u5e8f\u7b97\u6cd5\u5e93 import java.util.Arrays; \u767b\u5f55\u540e\u590d\u5236 2. \u521b\u5efa\u4e00\u4e2a\u6570\u7ec4 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] arr = {5, 2, 8, 3, 1}; \u767b\u5f55\u540e\u590d\u5236 3. \u4f7f\u7528 Arrays.sort() \u65b9\u6cd5 \u8be5\u65b9\u6cd5\u63a5\u6536\u4e00\u4e2a\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\uff0c\u5e76\u5bf9\u5176\u8fdb\u884c\u5c31\u5730\u6392\u5e8f\u3002\u8981\u8fdb\u884c\u964d\u5e8f\u6392\u5e8f\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a Arrays.sort(arr, Collections.reverseOrder()); \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u91cc\uff0cCollections.reverseOrder() \u662f\u4e00\u4e2a\u6bd4\u8f83\u5668\uff0c\u7528\u4e8e\u6307\u5b9a\u6392\u5e8f\u987a\u5e8f\u4e3a\u964d\u5e8f\u3002 4. \u6253\u5370\u6392\u5e8f\u540e\u7684\u6570\u7ec4 System.out.println(Arrays.toString(arr)); \u767b\u5f55\u540e\u590d\u5236 \u8f93\u51fa\uff1a [8, 5, 3, 2, 1] \u767b\u5f55\u540e\u590d\u5236 \u6570\u7ec4\u5df2\u6210\u529f\u6309\u964d\u5e8f\u6392\u5e8f\u3002 […]<\/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-65549","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65549","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=65549"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65549\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65549"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65549"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65549"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}