{"id":37995,"date":"2024-11-26T15:16:15","date_gmt":"2024-11-26T07:16:15","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37995\/"},"modified":"2024-11-26T15:16:15","modified_gmt":"2024-11-26T07:16:15","slug":"java%e6%95%b0%e7%bb%84%e5%92%8c%e5%88%97%e8%a1%a8%e6%80%8e%e4%b9%88%e5%8e%bb%e9%87%8d","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37995\/","title":{"rendered":"java\u6570\u7ec4\u548c\u5217\u8868\u600e\u4e48\u53bb\u91cd"},"content":{"rendered":"<blockquote><p>\n  \u6570\u7ec4\u548c\u5217\u8868\u53bb\u91cd\u65b9\u6cd5\uff1a\u6570\u7ec4\u53bb\u91cd\uff1a\u4f7f\u7528 set \u8f6c\u6362\u6216 arraylist \u8f6c set \u518d\u8f6c\u6570\u7ec4\u3002\u5217\u8868\u53bb\u91cd\uff1a\u4f7f\u7528 linkedhashset \u4fdd\u7559\u63d2\u5165\u987a\u5e8f\u6216\u4f7f\u7528 set \u8f6c\u6362\u6216 arraylist \u8f6c set \u518d\u8f6c arraylist\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111314481889346.jpg\" class=\"aligncenter\" title=\"java\u6570\u7ec4\u548c\u5217\u8868\u600e\u4e48\u53bb\u91cd\u63d2\u56fe\" alt=\"java\u6570\u7ec4\u548c\u5217\u8868\u600e\u4e48\u53bb\u91cd\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u6570\u7ec4\u548c\u5217\u8868\u53bb\u91cd<\/strong><\/p>\n<p><strong>\u6570\u7ec4\u53bb\u91cd<\/strong><\/p>\n<ul>\n<li> <strong>\u4f7f\u7528 Set \u8f6c\u6362\uff1a<\/strong>\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a Set \u96c6\u5408\uff0c\u5b83\u81ea\u52a8\u8fc7\u6ee4\u91cd\u590d\u5143\u7d20\u3002<\/li>\n<\/ul>\n<pre>int[] arr = {1, 2, 3, 4, 5, 1, 2};\nSet&lt;Integer&gt; uniqueSet = new HashSet&lt;&gt;(Arrays.asList(arr));<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li> <strong>\u4f7f\u7528 ArrayList \u8f6c Set \u518d\u8f6c\u6570\u7ec4\uff1a<\/strong>\u4e0e Set \u8f6c\u6362\u7c7b\u4f3c\uff0c\u4f7f\u7528 ArrayList \u4f5c\u4e3a\u4e2d\u95f4\u6b65\u9aa4\u3002<\/li>\n<\/ul>\n<pre>int[] arr = {1, 2, 3, 4, 5, 1, 2};\nList&lt;Integer&gt; uniqueList = new ArrayList&lt;&gt;(Arrays.asList(arr));\nint[] uniqueArray = uniqueList.stream().distinct().toArray();<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>\u5217\u8868\u53bb\u91cd<\/strong><\/p>\n<ul>\n<li> <strong>\u4f7f\u7528 LinkedHashSet\uff1a<\/strong>\u5c06\u5217\u8868\u8f6c\u5316\u4e3a LinkedHashSet \u4fdd\u7559\u63d2\u5165\u987a\u5e8f\uff0c\u7136\u540e\u8f6c\u56de ArrayList\u3002<\/li>\n<\/ul>\n<pre>List&lt;Integer&gt; list = Arrays.asList(1, 2, 3, 4, 5, 1, 2);\nLinkedHashSet&lt;Integer&gt; uniqueSet = new LinkedHashSet&lt;&gt;(list);\nList&lt;Integer&gt; uniqueList = new ArrayList&lt;&gt;(uniqueSet);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li> <strong>\u4f7f\u7528 Set \u8f6c\u6362\uff1a<\/strong>\u4e0e\u6570\u7ec4\u53bb\u91cd\u7c7b\u4f3c\uff0c\u5c06\u5217\u8868\u8f6c\u6362\u4e3a Set\u3002<\/li>\n<\/ul>\n<pre>List&lt;Integer&gt; list = Arrays.asList(1, 2, 3, 4, 5, 1, 2);\nSet&lt;Integer&gt; uniqueSet = new HashSet&lt;&gt;(list);\nList&lt;Integer&gt; uniqueList = new ArrayList&lt;&gt;(uniqueSet);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li> <strong>\u4f7f\u7528 ArrayList \u8f6c Set \u518d\u8f6c ArrayList\uff1a<\/strong>\u4e0e\u6570\u7ec4\u53bb\u91cd\u7c7b\u4f3c\uff0c\u4f7f\u7528 ArrayList \u4f5c\u4e3a\u4e2d\u95f4\u6b65\u9aa4\u3002<\/li>\n<\/ul>\n<pre>List&lt;Integer&gt; list = Arrays.asList(1, 2, 3, 4, 5, 1, 2);\nList&lt;Integer&gt; uniqueList = new ArrayList&lt;&gt;();\nfor (Integer num : list) {\n    if (!uniqueList.contains(num)) {\n        uniqueList.add(num);\n    }\n}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u548c\u5217\u8868\u600e\u4e48\u53bb\u91cd\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":"<p>\u6570\u7ec4\u548c\u5217\u8868\u53bb\u91cd\u65b9\u6cd5\uff1a\u6570\u7ec4\u53bb\u91cd\uff1a\u4f7f\u7528 set \u8f6c\u6362\u6216 arraylist \u8f6c set \u518d\u8f6c\u6570\u7ec4\u3002\u5217\u8868\u53bb\u91cd\uff1a\u4f7f\u7528 linkedhashset \u4fdd\u7559\u63d2\u5165\u987a\u5e8f\u6216\u4f7f\u7528 set \u8f6c\u6362\u6216 arraylist \u8f6c set \u518d\u8f6c arraylist\u3002 Java \u6570\u7ec4\u548c\u5217\u8868\u53bb\u91cd \u6570\u7ec4\u53bb\u91cd \u4f7f\u7528 Set \u8f6c\u6362\uff1a\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a Set \u96c6\u5408\uff0c\u5b83\u81ea\u52a8\u8fc7\u6ee4\u91cd\u590d\u5143\u7d20\u3002 int[] arr = {1, 2, 3, 4, 5, 1, 2}; Set&lt;Integer&gt; uniqueSet = new HashSet&lt;&gt;(Arrays.asList(arr)); \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 ArrayList \u8f6c Set \u518d\u8f6c\u6570\u7ec4\uff1a\u4e0e Set \u8f6c\u6362\u7c7b\u4f3c\uff0c\u4f7f\u7528 ArrayList \u4f5c\u4e3a\u4e2d\u95f4\u6b65\u9aa4\u3002 int[] arr = {1, 2, 3, [&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-37995","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37995","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=37995"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37995\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37995"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37995"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}