{"id":65707,"date":"2025-05-03T13:22:26","date_gmt":"2025-05-03T05:22:26","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65707\/"},"modified":"2025-05-03T13:22:26","modified_gmt":"2025-05-03T05:22:26","slug":"java%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e8%bf%9b%e8%a1%8c%e9%99%8d%e5%ba%8f%e6%8e%92%e5%88%97-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65707\/","title":{"rendered":"java\u6570\u7ec4\u600e\u4e48\u8fdb\u884c\u964d\u5e8f\u6392\u5217"},"content":{"rendered":"

\n \u5728 java \u4e2d\uff0c\u4f7f\u7528 arrays.sort() \u65b9\u6cd5\u4e0e comparator.reverseorder() \u7ec4\u5408\u53ef\u4ee5\u5bf9\u6570\u7ec4\u8fdb\u884c\u964d\u5e8f\u6392\u5217\uff1a\u4f7f\u7528 arrays.sort() \u5bf9\u6570\u7ec4\u6392\u5e8f\u5c06 arrays.sort() \u4e0e comparator.reverseorder() \u7ec4\u5408\uff0c\u5b83\u5c06\u6bd4\u8f83\u7ed3\u679c\u53cd\u8f6c\u4ee5\u5b9e\u73b0\u964d\u5e8f\u6392\u5e8f\n<\/p><\/blockquote>\n

\"java\u6570\u7ec4\u600e\u4e48\u8fdb\u884c\u964d\u5e8f\u6392\u5217\u63d2\u56fe\"<\/p>\n

Java \u6570\u7ec4\u964d\u5e8f <\/h2>\n

\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5bf9\u6570\u7ec4\u8fdb\u884c\u964d\u5e8f\u6392\u5217\uff1a<\/p>\n

    \n
  1. \n

    \u4f7f\u7528 Arrays.sort() \u65b9\u6cd5\u5bf9\u6570\u7ec4\u6392\u5e8f<\/strong><\/p>\n

    int[] arr = {5, 3, 1, 2, 4};\nArrays.sort(arr);<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/li>\n
  2. \n
    \u5c06 Arrays.sort() \u65b9\u6cd5\u4e0e Comparator.reverseOrder() \u7ec4\u5408\u4f7f\u7528<\/strong><\/p>\n
    Arrays.sort(arr, Collections.reverseOrder());<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ol>\n
    Comparator.reverseOrder()<\/strong> \u8fd4\u56de\u4e00\u4e2a\u6bd4\u8f83\u5668\uff0c\u8be5\u6bd4\u8f83\u5668\u5c06\u6bd4\u8f83\u7ed3\u679c\u53cd\u8f6c\uff0c\u4ece\u800c\u5b9e\u73b0\u964d\u5e8f\u6392\u5e8f\u3002<\/p>\n
    \u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
    \u4e3e\u4f8b\uff1a<\/strong><\/p>\n
    int[] arr = {5, 3, 1, 2, 4};\nArrays.sort(arr, Collections.reverseOrder());\n\nSystem.out.println(Arrays.toString(arr)); \/\/ \u8f93\u51fa\uff1a[5, 4, 3, 2, 1]<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u6ce8\u610f\uff1a<\/strong><\/p>\n
      \n
    • \u5982\u679c\u6570\u7ec4\u5143\u7d20\u4e3a\u57fa\u672c\u7c7b\u578b\uff08\u5982 int\u3001double \u7b49\uff09\uff0csort() \u65b9\u6cd5\u4f1a\u5bf9\u5176\u8fdb\u884c\u6392\u5e8f\u3002<\/li>\n
    • \u5982\u679c\u6570\u7ec4\u5143\u7d20\u4e3a\u5bf9\u8c61\uff0csort() \u65b9\u6cd5\u9700\u8981\u63d0\u4f9b\u4e00\u4e2a\u6bd4\u8f83\u5668\u6765\u6bd4\u8f83\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n
      \u5176\u4ed6\u964d\u5e8f\u6392\u5217\u65b9\u6cd5\uff1a<\/strong><\/p>\n
      \u9664\u4e86\u4e0a\u8ff0\u65b9\u6cd5\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u65b9\u6cd5\u5bf9\u6570\u7ec4\u8fdb\u884c\u964d\u5e8f\u6392\u5217\uff0c\u4f8b\u5982\uff1a<\/p>\n
        \n
      • \u901a\u8fc7 Bubble Sort\u3001Selection Sort \u6216 Quick Sort \u7b49\u6392\u5e8f\u7b97\u6cd5**<\/li>\n
      • \u4f7f\u7528\u4e00\u4e2a\u4e34\u65f6\u6570\u7ec4\uff0c\u5c06\u5143\u7d20\u590d\u5236\u5230\u5176\u4e2d\u5e76\u8fdb\u884c\u6392\u5e8f**<\/li>\n
      • \u4f7f\u7528 Lambda \u8868\u8fbe\u5f0f\u548c Stream API**<\/li>\n<\/ul>\n
        \u4f46\u662f\uff0c\u5bf9\u4e8e\u5927\u578b\u6570\u7ec4\uff0c\u4f7f\u7528 Arrays.sort() \u65b9\u6cd5\u4e0e Comparator.reverseOrder() \u7ec4\u5408\u662f\u6700\u7b80\u5355\u3001\u6700\u6709\u6548\u7684\u65b9\u6cd5\u3002<\/p>\n
        \u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u600e\u4e48\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":"
        \u5728 java \u4e2d\uff0c\u4f7f\u7528 arrays.sort() \u65b9\u6cd5\u4e0e comparator.reverseorder() \u7ec4\u5408\u53ef\u4ee5\u5bf9\u6570\u7ec4\u8fdb\u884c\u964d\u5e8f\u6392\u5217\uff1a\u4f7f\u7528 arrays.sort() \u5bf9\u6570\u7ec4\u6392\u5e8f\u5c06 arrays.sort() \u4e0e comparator.reverseorder() \u7ec4\u5408\uff0c\u5b83\u5c06\u6bd4\u8f83\u7ed3\u679c\u53cd\u8f6c\u4ee5\u5b9e\u73b0\u964d\u5e8f\u6392\u5e8f Java \u6570\u7ec4\u964d\u5e8f \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5bf9\u6570\u7ec4\u8fdb\u884c\u964d\u5e8f\u6392\u5217\uff1a \u4f7f\u7528 Arrays.sort() \u65b9\u6cd5\u5bf9\u6570\u7ec4\u6392\u5e8f int[] arr = {5, 3, 1, 2, 4}; Arrays.sort(arr); \u767b\u5f55\u540e\u590d\u5236 \u5c06 Arrays.sort() \u65b9\u6cd5\u4e0e Comparator.reverseOrder() \u7ec4\u5408\u4f7f\u7528 Arrays.sort(arr, Collections.reverseOrder()); \u767b\u5f55\u540e\u590d\u5236 Comparator.reverseOrder() \u8fd4\u56de\u4e00\u4e2a\u6bd4\u8f83\u5668\uff0c\u8be5\u6bd4\u8f83\u5668\u5c06\u6bd4\u8f83\u7ed3\u679c\u53cd\u8f6c\uff0c\u4ece\u800c\u5b9e\u73b0\u964d\u5e8f\u6392\u5e8f\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4e3e\u4f8b\uff1a int[] arr = {5, 3, 1, 2, 4}; Arrays.sort(arr, Collections.reverseOrder()); System.out.println(Arrays.toString(arr)); \/\/ […]<\/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-65707","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65707","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=65707"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65707\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65707"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65707"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65707"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}