{"id":478,"date":"2023-07-30T10:57:09","date_gmt":"2023-02-18T16:05:30","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/%e5%a6%82%e4%bd%95%e5%9c%a8java%e4%b8%ad%e5%af%b9%e5%88%97%e8%a1%a8%e8%bf%9b%e8%a1%8c%e6%8e%92%e5%ba%8f\/"},"modified":"2025-08-02T12:46:44","modified_gmt":"2025-08-02T04:46:44","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8java%e4%b8%ad%e5%af%b9%e5%88%97%e8%a1%a8%e8%bf%9b%e8%a1%8c%e6%8e%92%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e4%bd%95%e5%9c%a8java%e4%b8%ad%e5%af%b9%e5%88%97%e8%a1%a8%e8%bf%9b%e8%a1%8c%e6%8e%92%e5%ba%8f\/","title":{"rendered":"Java\u5217\u8868\u6392\u5e8f\u5b8c\u5168\u6307\u5357\uff1a\u638c\u63e1\u591a\u79cd\u6392\u5e8f\u65b9\u6cd5\u4e0e\u6280\u5de7"},"content":{"rendered":"<p>\u6709\u65f6\u6211\u4eec\u5728\u5904\u7406\u5143\u7d20\u4e4b\u524d\u9700\u8981\u5bf9Java\u4e2d\u7684\u5217\u8868\u8fdb\u884c\u6392\u5e8f\u3002\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u5b66\u4e60\u5982\u4f55\u6309\u81ea\u7136\u6392\u5e8f\u65b9\u5f0f\u5bf9\u5217\u8868\u8fdb\u884c\u6392\u5e8f\u3002\u6211\u4eec\u8fd8\u5c06\u5b66\u4e60\u5982\u4f55\u4f7f\u7528\u81ea\u5b9a\u4e49\u6bd4\u8f83\u5668\u5b9e\u73b0\u5bf9\u5bf9\u8c61\u5217\u8868\u8fdb\u884c\u6392\u5e8f\u3002Java\u4e2d\u7684\u5217\u8868\u7c7b\u4f3c\u4e8e\u6570\u7ec4\uff0c\u4f46\u5217\u8868\u7684\u957f\u5ea6\u662f\u52a8\u6001\u7684\uff0c\u5e76\u4e14\u5b83\u5728Java\u96c6\u5408\u6846\u67b6\u4e2d\u4f7f\u7528\u3002\u5b9e\u9645\u4e0a\uff0cList\u662f\u4e00\u4e2a\u63a5\u53e3\uff0c\u6211\u4eec\u5927\u591a\u6570\u65f6\u5019\u4f7f\u7528\u5b83\u7684\u5b9e\u73b0\u7c7b\uff0c\u5982ArrayList\u6216LinkedList\u7b49\u3002<\/p>\n<h2>Java\u6392\u5e8f\u5217\u8868<\/h2>\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u5b66\u4e60\u5982\u4f55\u5728Java\u4e2d\u5bf9\u5bf9\u8c61\u5217\u8868\u8fdb\u884c\u6392\u5e8f\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Collections.sort()\u65b9\u6cd5\u4ee5\u81ea\u7136\u5347\u5e8f\u5bf9\u5217\u8868\u8fdb\u884c\u6392\u5e8f\u3002\u5217\u8868\u4e2d\u7684\u6240\u6709\u5143\u7d20\u5fc5\u987b\u5b9e\u73b0Comparable\u63a5\u53e3\uff0c\u5426\u5219\u5c06\u629b\u51faIllegalArgumentException\u5f02\u5e38\u3002\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u5bf9\u5b57\u7b26\u4e32\u5217\u8868\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.sort;\r\n\r\nimport java.util.ArrayList;\r\nimport java.util.Collections;\r\nimport java.util.List;\r\n\r\npublic class JavaListSort {\r\n\r\n    \/**\r\n     * \u8fd9\u4e2a\u7c7b\u5c55\u793a\u4e86\u5982\u4f55\u5728Java\u4e2d\u5bf9ArrayList\u8fdb\u884c\u6392\u5e8f\r\n     * @param args\r\n     *\/\r\n    public static void main(String[] args) {\r\n        List&lt;String&gt; strList = new ArrayList&lt;String&gt;();\r\n        strList.add(\"A\");\r\n        strList.add(\"C\");\r\n        strList.add(\"B\");\r\n        strList.add(\"Z\");\r\n        strList.add(\"E\");\r\n        \/\/\u4f7f\u7528Collections.sort()\u65b9\u6cd5\u5bf9ArrayList\u8fdb\u884c\u6392\u5e8f\r\n        Collections.sort(strList);\r\n        for(String str: strList) System.out.print(\" \"+str);\r\n    }\r\n\r\n}\r\n<\/code><\/pre>\n<p>\u4f60\u53ef\u4ee5\u770b\u5230\u6211\u4eec\u6b63\u5728\u4f7f\u7528Collections.sort()\u65b9\u6cd5\u6765\u5bf9\u5b57\u7b26\u4e32\u5217\u8868\u8fdb\u884c\u6392\u5e8f\u3002String\u7c7b\u5b9e\u73b0\u4e86Comparable\u63a5\u53e3\u3002\u8f93\u51fa\uff1a<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648e49a4b2f92e6c733bdf\/5-0.png\" alt=\"Java\u6392\u5e8f\u5217\u8868\" \/><\/div>\n<h2>\u4f7f\u7528Java\u5bf9\u5bf9\u8c61\u5217\u8868\u8fdb\u884c\u6392\u5e8f<\/h2>\n<p>\u6211\u4eec\u6765\u770b\u53e6\u4e00\u4e2a\u4f8b\u5b50\uff0c\u6211\u4eec\u5c06\u5bf9\u4e00\u4e2a\u81ea\u5b9a\u4e49\u5bf9\u8c61\u5217\u8868\u8fdb\u884c\u6392\u5e8f\u3002\u8bf7\u6ce8\u610f\u8be5\u7c7b\u5fc5\u987b\u5b9e\u73b0Comparable\u63a5\u53e3\u3002<\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.sort;\r\n\r\nimport java.util.ArrayList;\r\nimport java.util.Collections;\r\nimport java.util.List;\r\n\r\npublic class JavaSortListObject {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\tList&lt;Data&gt; dl = new ArrayList&lt;&gt;();\r\n\t\tdl.add(new Data(2));\r\n\t\tdl.add(new Data(3));\r\n\t\tdl.add(new Data(1));\r\n\t\tSystem.out.println(\"\u539f\u59cb\u5217\u8868::\"+dl);\r\n\t\tCollections.sort(dl);\r\n\t\tSystem.out.println(\"\u81ea\u7136\u6392\u5e8f\u540e\u7684\u5217\u8868::\"+dl);\r\n\r\n\t}\r\n\r\n}\r\n\r\nclass Data implements Comparable&lt;Data&gt; {\r\n\r\n\tprivate int id;\r\n\r\n\tpublic Data(int i) {\r\n\t\tthis.id = i;\r\n\t}\r\n\r\n\t@Override\r\n\tpublic int compareTo(Data d) {\r\n\t\treturn this.id - d.getId();\r\n\t}\r\n\r\n\tpublic int getId() {\r\n\t\treturn id;\r\n\t}\r\n\r\n\t@Override\r\n\tpublic String toString() {\r\n\t\treturn \"Data{\"+this.id+\"}\";\r\n\t}\r\n}\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>\u539f\u59cb\u5217\u8868::[Data{2}, Data{3}, Data{1}]\r\n\u81ea\u7136\u6392\u5e8f\u540e\u7684\u5217\u8868::[Data{1}, Data{2}, Data{3}]\r\n<\/code><\/pre>\n<h2>\u4f7f\u7528Comparator\u5728Java\u4e2d\u5bf9List\u8fdb\u884c\u6392\u5e8f<\/h2>\n<p>Collections.sort()\u65b9\u6cd5\u662f\u91cd\u8f7d\u7684\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u63d0\u4f9b\u81ea\u5df1\u7684Comparator\u5b9e\u73b0\u6765\u5b9a\u4e49\u6392\u5e8f\u89c4\u5219\u3002\u7531\u4e8eComparator\u662f\u4e00\u4e2a\u51fd\u6570\u5f0f\u63a5\u53e3\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Lambda\u8868\u8fbe\u5f0f\u5728\u4e00\u884c\u4e2d\u7f16\u5199\u5b83\u7684\u5b9e\u73b0\u3002<\/p>\n<pre class=\"post-pre\"><code>Collections.sort(dl, (d1, d2) -&gt; {\r\n\treturn d2.getId() - d1.getId();\r\n});\r\nSystem.out.println(\"\u4f7f\u7528Comparator\u8fdb\u884c\u53cd\u5411\u6392\u5e8f\u7684\u5217\u8868::\" + dl);\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648e49a4b2f92e6c733bdf\/15-0.png\" alt=\"Java\u4f7f\u7528Comparator\u6392\u5e8f\u5217\u8868\u5bf9\u8c61\" \/><\/div>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u5728Java\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7Collections\u7c7b\u7684sort()\u65b9\u6cd5\u5bf9\u5217\u8868\u8fdb\u884c\u6392\u5e8f\u3002\u6211\u4eec\u53ef\u4ee5\u6309\u7167\u81ea\u7136\u987a\u5e8f\u5bf9\u5217\u8868\u8fdb\u884c\u6392\u5e8f\uff0c\u5176\u4e2d\u5217\u8868\u5143\u7d20\u5fc5\u987b\u5b9e\u73b0Comparable\u63a5\u53e3\u3002\u6211\u4eec\u4e5f\u53ef\u4ee5\u4f20\u9012\u4e00\u4e2aComparator\u5b9e\u73b0\u6765\u5b9a\u4e49\u6392\u5e8f\u89c4\u5219\u3002<\/p>\n<p>\u4f60\u53ef\u4ee5\u4ece\u6211\u4eec\u7684 GitHub \u4ed3\u5e93\u4e2d\u67e5\u770b\u66f4\u591a\u793a\u4f8b\u3002<\/p>\n<p>\u53c2\u8003\uff1aAPI \u6587\u6863<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6709\u65f6\u6211\u4eec\u5728\u5904\u7406\u5143\u7d20\u4e4b\u524d\u9700\u8981\u5bf9Java\u4e2d\u7684\u5217\u8868\u8fdb\u884c\u6392\u5e8f\u3002\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u5b66\u4e60\u5982\u4f55\u6309\u81ea\u7136\u6392\u5e8f\u65b9\u5f0f\u5bf9\u5217\u8868\u8fdb\u884c\u6392\u5e8f\u3002 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1460,1307,189,180,1459],"class_list":{"0":"post-478","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-uncategorized","7":"tag-collections-sort","8":"tag-comparator","9":"tag-java","11":"tag-1459"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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