{"id":66620,"date":"2025-05-03T16:23:27","date_gmt":"2025-05-03T08:23:27","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66620\/"},"modified":"2025-05-03T16:23:27","modified_gmt":"2025-05-03T08:23:27","slug":"java%e6%95%b0%e7%bb%84%e4%b8%ad%e7%9a%84%e6%95%b0%e5%ad%97%e6%80%8e%e4%b9%88%e5%8e%bb%e9%87%8d-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66620\/","title":{"rendered":"java\u6570\u7ec4\u4e2d\u7684\u6570\u5b57\u600e\u4e48\u53bb\u91cd"},"content":{"rendered":"<blockquote><p>\n  java\u6570\u7ec4\u53bb\u91cd\u53ef\u5229\u7528set\u96c6\u5408\u3002\u5177\u4f53\u6b65\u9aa4\uff1a1. \u521b\u5efaset\u96c6\u5408\uff1b2. \u904d\u5386\u6570\u7ec4\u5e76\u6dfb\u52a0\u5230set\u4e2d\uff0cset\u4f1a\u81ea\u52a8\u8fc7\u6ee4\u91cd\u590d\u5143\u7d20\uff1b3. \u4eceset\u4e2d\u83b7\u53d6\u53bb\u91cd\u540e\u7684\u6570\u7ec4\uff0c\u53ef\u901a\u8fc7toarray()\u65b9\u6cd5\u8f6c\u6362\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111610453841708.jpg\" class=\"aligncenter\" title=\"java\u6570\u7ec4\u4e2d\u7684\u6570\u5b57\u600e\u4e48\u53bb\u91cd\u63d2\u56fe\" alt=\"java\u6570\u7ec4\u4e2d\u7684\u6570\u5b57\u600e\u4e48\u53bb\u91cd\u63d2\u56fe\" \/><\/p>\n<p><strong>Java\u6570\u7ec4\u4e2d\u7684\u6570\u5b57\u53bb\u91cd<\/strong><\/p>\n<p>\u5728Java\u4e2d\uff0c\u53ef\u4ee5\u5229\u7528\u96c6\u5408\u7c7bSet\u6765\u8f7b\u677e\u5b9e\u73b0\u6570\u7ec4\u4e2d\u6570\u5b57\u7684\u53bb\u91cd\u64cd\u4f5c\uff0c\u56e0\u4e3aSet\u5177\u5907\u552f\u4e00\u6027\uff0c\u4e0d\u4f1a\u5b58\u50a8\u91cd\u590d\u5143\u7d20\u3002<\/p>\n<p>\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<p><strong>1. \u521b\u5efa\u4e00\u4e2aSet\u96c6\u5408<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528HashSet\u6216TreeSet\u5b9e\u73b0Set\u96c6\u5408\uff0c\u5efa\u8bae\u4f7f\u7528TreeSet\uff0c\u56e0\u4e3a\u5b83\u662f\u6709\u5e8f\u7684\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u53bb\u91cd\u540e\u7684\u6570\u5b57\u662f\u6709\u5e8f\u7684\u3002<\/p>\n<p><strong>2. \u904d\u5386\u6570\u7ec4\u5e76\u6dfb\u52a0\u5230Set\u4e2d<\/strong><\/p>\n<p>\u4f7f\u7528forEach\u6216for\u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u5c06\u5b83\u4eec\u6dfb\u52a0\u5230Set\u4e2d\u3002Set\u4f1a\u81ea\u52a8\u8fc7\u6ee4\u91cd\u590d\u5143\u7d20\u3002<\/p>\n<p><strong>3. \u4eceSet\u4e2d\u83b7\u53d6\u53bb\u91cd\u540e\u7684\u6570\u7ec4<\/strong><\/p>\n<p>Set\u4e2d\u5df2\u5305\u542b\u4e86\u53bb\u91cd\u540e\u7684\u6570\u5b57\uff0c\u53ef\u4ee5\u901a\u8fc7toArray()\u65b9\u6cd5\u5c06\u5176\u8f6c\u6362\u4e3a\u6570\u7ec4\u3002<\/p>\n<p><strong>\u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n<pre>import java.util.Arrays;\nimport java.util.Set;\nimport java.util.TreeSet;\n\npublic class RemoveDuplicates {\n\n    public static void main(String[] args) {\n        int[] arr = {1, 2, 3, 4, 5, 1, 2, 3};\n\n        \/\/ \u521b\u5efaTreeSet\n        Set&lt;Integer&gt; set = new TreeSet&lt;&gt;();\n\n        \/\/ \u5c06\u6570\u7ec4\u5143\u7d20\u6dfb\u52a0\u5230Set\u4e2d\n        for (int num : arr) {\n            set.add(num);\n        }\n\n        \/\/ \u4eceSet\u4e2d\u83b7\u53d6\u53bb\u91cd\u540e\u7684\u6570\u7ec4\n        int[] distinctArr = set.stream().mapToInt(i -&gt; i).toArray();\n\n        \/\/ \u6253\u5370\u53bb\u91cd\u540e\u7684\u6570\u7ec4\n        System.out.println(Arrays.toString(distinctArr));\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8fd0\u884c\u7ed3\u679c\uff1a<\/strong><\/p>\n<pre>[1, 2, 3, 4, 5]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u4e2d\u7684\u6570\u5b57\u600e\u4e48\u53bb\u91cd\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>java\u6570\u7ec4\u53bb\u91cd\u53ef\u5229\u7528set\u96c6\u5408\u3002\u5177\u4f53\u6b65\u9aa4\uff1a1. \u521b\u5efaset\u96c6\u5408\uff1b2. \u904d\u5386\u6570\u7ec4\u5e76\u6dfb\u52a0\u5230set\u4e2d\uff0cset\u4f1a\u81ea\u52a8\u8fc7\u6ee4\u91cd\u590d\u5143\u7d20\uff1b3. \u4eceset\u4e2d\u83b7\u53d6\u53bb\u91cd\u540e\u7684\u6570\u7ec4\uff0c\u53ef\u901a\u8fc7toarray()\u65b9\u6cd5\u8f6c\u6362\u3002 Java\u6570\u7ec4\u4e2d\u7684\u6570\u5b57\u53bb\u91cd \u5728Java\u4e2d\uff0c\u53ef\u4ee5\u5229\u7528\u96c6\u5408\u7c7bSet\u6765\u8f7b\u677e\u5b9e\u73b0\u6570\u7ec4\u4e2d\u6570\u5b57\u7684\u53bb\u91cd\u64cd\u4f5c\uff0c\u56e0\u4e3aSet\u5177\u5907\u552f\u4e00\u6027\uff0c\u4e0d\u4f1a\u5b58\u50a8\u91cd\u590d\u5143\u7d20\u3002 \u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a 1. \u521b\u5efa\u4e00\u4e2aSet\u96c6\u5408 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u53ef\u4ee5\u4f7f\u7528HashSet\u6216TreeSet\u5b9e\u73b0Set\u96c6\u5408\uff0c\u5efa\u8bae\u4f7f\u7528TreeSet\uff0c\u56e0\u4e3a\u5b83\u662f\u6709\u5e8f\u7684\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u53bb\u91cd\u540e\u7684\u6570\u5b57\u662f\u6709\u5e8f\u7684\u3002 2. \u904d\u5386\u6570\u7ec4\u5e76\u6dfb\u52a0\u5230Set\u4e2d \u4f7f\u7528forEach\u6216for\u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u5c06\u5b83\u4eec\u6dfb\u52a0\u5230Set\u4e2d\u3002Set\u4f1a\u81ea\u52a8\u8fc7\u6ee4\u91cd\u590d\u5143\u7d20\u3002 3. \u4eceSet\u4e2d\u83b7\u53d6\u53bb\u91cd\u540e\u7684\u6570\u7ec4 Set\u4e2d\u5df2\u5305\u542b\u4e86\u53bb\u91cd\u540e\u7684\u6570\u5b57\uff0c\u53ef\u4ee5\u901a\u8fc7toArray()\u65b9\u6cd5\u5c06\u5176\u8f6c\u6362\u4e3a\u6570\u7ec4\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a import java.util.Arrays; import java.util.Set; import java.util.TreeSet; public class RemoveDuplicates { public static void main(String[] args) { int[] arr = {1, 2, 3, 4, 5, 1, 2, 3}; \/\/ \u521b\u5efaTreeSet Set&lt;Integer&gt; set = new TreeSet&lt;&gt;(); \/\/ \u5c06\u6570\u7ec4\u5143\u7d20\u6dfb\u52a0\u5230Set\u4e2d for [&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-66620","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66620","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=66620"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66620\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66620"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66620"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66620"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}