{"id":34861,"date":"2024-11-26T11:12:01","date_gmt":"2024-11-26T03:12:01","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34861\/"},"modified":"2024-11-26T11:12:01","modified_gmt":"2024-11-26T03:12:01","slug":"java%e6%80%8e%e4%b9%88%e5%8e%bb%e9%99%a4%e6%95%b0%e7%bb%84%e7%9a%84%e9%87%8d%e5%a4%8d%e5%85%83%e7%b4%a0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34861\/","title":{"rendered":"JAVA\u600e\u4e48\u53bb\u9664\u6570\u7ec4\u7684\u91cd\u590d\u5143\u7d20"},"content":{"rendered":"

\n \u53bb\u9664 java \u6570\u7ec4\u4e2d\u91cd\u590d\u5143\u7d20\u7684\u65b9\u6cd5\u662f\uff1a\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u96c6\u5408\uff1b\u521b\u5efa\u4e00\u4e2a\u4e0d\u5141\u8bb8\u91cd\u590d\u5143\u7d20\u7684\u65b0\u96c6\u5408\uff1b\u5c06\u6570\u7ec4\u5143\u7d20\u6dfb\u52a0\u5230\u65b0\u96c6\u5408\u4e2d\uff1b\u5c06\u65b0\u96c6\u5408\u8f6c\u6362\u4e3a\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n

\"JAVA\u600e\u4e48\u53bb\u9664\u6570\u7ec4\u7684\u91cd\u590d\u5143\u7d20\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u53bb\u9664 Java \u6570\u7ec4\u4e2d\u7684\u91cd\u590d\u5143\u7d20<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u53bb\u9664\u6570\u7ec4\u4e2d\u91cd\u590d\u5143\u7d20\u7684\u5e38\u7528\u65b9\u6cd5\u662f\u4f7f\u7528\u96c6\u5408\u3002\u96c6\u5408\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u4e0d\u5141\u8bb8\u91cd\u590d\u5143\u7d20\u3002<\/p>\n

\u65b9\u6cd5\uff1a<\/strong><\/p>\n

    \n
  1. \u5c06\u6570\u7ec4\u5143\u7d20\u8f6c\u6362\u4e3a\u96c6\u5408\uff1a<\/strong>\u4f7f\u7528 Arrays.asList() \u65b9\u6cd5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a List\u3002<\/li>\n
  2. \u521b\u5efa\u65b0\u96c6\u5408\uff1a<\/strong>\u521b\u5efa HashSet \u6216 TreeSet \u7b49\u96c6\u5408\uff0c\u8be5\u96c6\u5408\u4e0d\u5141\u8bb8\u91cd\u590d\u5143\u7d20\u3002<\/li>\n
  3. \u5c06 List \u5143\u7d20\u6dfb\u52a0\u81f3\u65b0\u96c6\u5408\uff1a<\/strong>\u4f7f\u7528 addAll() \u65b9\u6cd5\u5c06 List \u5143\u7d20\u6dfb\u52a0\u5230\u65b0\u96c6\u5408\u4e2d\u3002<\/li>\n
  4. \u5c06\u65b0\u96c6\u5408\u8f6c\u6362\u4e3a\u6570\u7ec4\uff1a<\/strong>\u4f7f\u7528 toArray() \u65b9\u6cd5\u5c06\u65b0\u96c6\u5408\u8f6c\u6362\u4e3a\u6570\u7ec4\u3002<\/li>\n<\/ol>\n

    \u793a\u4f8b\uff1a<\/strong><\/p>\n

    \u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

    int[] arr = {1, 2, 3, 4, 1, 2};\n\n\/\/ \u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a List\nList<Integer> list = Arrays.asList(arr);\n\n\/\/ \u521b\u5efa HashSet\nSet<Integer> set = new HashSet<>();\n\n\/\/ \u5c06 List \u5143\u7d20\u6dfb\u52a0\u5230 HashSet\nset.addAll(list);\n\n\/\/ \u5c06 HashSet \u8f6c\u6362\u4e3a\u6570\u7ec4\nint[] newArr = new int[set.size()];\nint i = 0;\nfor (Integer num : set) {\n    newArr[i++] = num;\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8f93\u51fa\uff1a<\/strong><\/p>\n
    [1, 2, 3, 4]<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u6ce8\u610f\uff1a<\/strong><\/p>\n
      \n
    • HashSet \u4e0d\u7ef4\u62a4\u63d2\u5165\u987a\u5e8f\uff0c\u56e0\u6b64\u65b0\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u987a\u5e8f\u53ef\u80fd\u4e0e\u539f\u59cb\u6570\u7ec4\u4e0d\u540c\u3002<\/li>\n
    • TreeSet \u4f1a\u6309\u81ea\u7136\u987a\u5e8f\u6216\u81ea\u5b9a\u4e49\u6bd4\u8f83\u5668\uff08\u5982\u679c\u63d0\u4f9b\u7684\u8bdd\uff09\u7ef4\u62a4\u5143\u7d20\u987a\u5e8f\u3002<\/li>\n<\/ul>\n
      \u4ee5\u4e0a\u5c31\u662fJAVA\u600e\u4e48\u53bb\u9664\u6570\u7ec4\u7684\u91cd\u590d\u5143\u7d20\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":"
      \u53bb\u9664 java \u6570\u7ec4\u4e2d\u91cd\u590d\u5143\u7d20\u7684\u65b9\u6cd5\u662f\uff1a\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u96c6\u5408\uff1b\u521b\u5efa\u4e00\u4e2a\u4e0d\u5141\u8bb8\u91cd\u590d\u5143\u7d20\u7684\u65b0\u96c6\u5408\uff1b\u5c06\u6570\u7ec4\u5143\u7d20\u6dfb\u52a0\u5230\u65b0\u96c6\u5408\u4e2d\uff1b\u5c06\u65b0\u96c6\u5408\u8f6c\u6362\u4e3a\u6570\u7ec4\u3002 \u5982\u4f55\u53bb\u9664 Java \u6570\u7ec4\u4e2d\u7684\u91cd\u590d\u5143\u7d20 \u5728 Java \u4e2d\uff0c\u53bb\u9664\u6570\u7ec4\u4e2d\u91cd\u590d\u5143\u7d20\u7684\u5e38\u7528\u65b9\u6cd5\u662f\u4f7f\u7528\u96c6\u5408\u3002\u96c6\u5408\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u4e0d\u5141\u8bb8\u91cd\u590d\u5143\u7d20\u3002 \u65b9\u6cd5\uff1a \u5c06\u6570\u7ec4\u5143\u7d20\u8f6c\u6362\u4e3a\u96c6\u5408\uff1a\u4f7f\u7528 Arrays.asList() \u65b9\u6cd5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a List\u3002 \u521b\u5efa\u65b0\u96c6\u5408\uff1a\u521b\u5efa HashSet \u6216 TreeSet \u7b49\u96c6\u5408\uff0c\u8be5\u96c6\u5408\u4e0d\u5141\u8bb8\u91cd\u590d\u5143\u7d20\u3002 \u5c06 List \u5143\u7d20\u6dfb\u52a0\u81f3\u65b0\u96c6\u5408\uff1a\u4f7f\u7528 addAll() \u65b9\u6cd5\u5c06 List \u5143\u7d20\u6dfb\u52a0\u5230\u65b0\u96c6\u5408\u4e2d\u3002 \u5c06\u65b0\u96c6\u5408\u8f6c\u6362\u4e3a\u6570\u7ec4\uff1a\u4f7f\u7528 toArray() \u65b9\u6cd5\u5c06\u65b0\u96c6\u5408\u8f6c\u6362\u4e3a\u6570\u7ec4\u3002 \u793a\u4f8b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] arr = {1, 2, 3, 4, 1, 2}; \/\/ \u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a List List<Integer> list = Arrays.asList(arr); \/\/ \u521b\u5efa HashSet Set<Integer> set = new HashSet<>(); […]<\/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-34861","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34861","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=34861"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34861\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=34861"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=34861"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=34861"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}