{"id":37730,"date":"2024-11-26T10:50:56","date_gmt":"2024-11-26T02:50:56","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37730\/"},"modified":"2024-11-26T10:50:56","modified_gmt":"2024-11-26T02:50:56","slug":"java%e6%80%8e%e4%b9%88%e6%8a%8a%e6%95%b0%e7%bb%84%e8%bf%9b%e8%a1%8c%e6%8e%92%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37730\/","title":{"rendered":"java\u600e\u4e48\u628a\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u5bf9\u6570\u7ec4\u6392\u5e8f\u7684\u65b9\u6cd5\u6709\uff1aarrays.sort() \u65b9\u6cd5\uff1a\u539f\u4f4d\u6392\u5e8f\uff0c\u65e0\u9700\u81ea\u5b9a\u4e49\u6bd4\u8f83\u89c4\u5219\u3002\u81ea\u5b9a\u4e49\u6bd4\u8f83\u5668\uff1a\u7528\u4e8e\u6309\u7167\u81ea\u5b9a\u4e49\u6807\u51c6\u6392\u5e8f\u3002\u6d41\u6392\u5e8f\uff1a\u4f7f\u7528 sorted() \u65b9\u6cd5\u5bf9\u6d41\u6392\u5e8f\uff0c\u7136\u540e\u6536\u96c6\u5230\u65b0\u6570\u7ec4\u3002timsort \u7b97\u6cd5\uff1a\u9002\u7528\u4e8e\u5927\u578b\u6570\u7ec4\uff0c\u5c06\u5f52\u5e76\u6392\u5e8f\u548c\u63d2\u5165\u6392\u5e8f\u76f8\u7ed3\u5408\u3002\u5feb\u6392\uff1a\u5206\u800c\u6cbb\u4e4b\u7b97\u6cd5\uff0c\u9009\u62e9\u67a2\u8f74\u5143\u7d20\u5212\u5206\u6570\u7ec4\uff0c\u9012\u5f52\u6392\u5e8f\u5b50\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111309332912845.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u628a\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u63d2\u56fe\" alt=\"java\u600e\u4e48\u628a\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u63d2\u56fe\" \/><\/p>\n<h2>Java \u4e2d\u5982\u4f55\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f<\/h2>\n<p>\u5728 Java \u4e2d\uff0c\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u64cd\u4f5c\u3002\u5b83\u6839\u636e\u6307\u5b9a\u7684\u6392\u5e8f\u6807\u51c6\u91cd\u6392\u6570\u7ec4\u5143\u7d20\u7684\u987a\u5e8f\u3002Java \u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5b8c\u6210\u6b64\u4efb\u52a1\u3002<\/p>\n<h3>1. Arrays.sort() \u65b9\u6cd5<\/h3>\n<p>\u8fd9\u662f Java \u4e2d\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u7684\u6700\u7b80\u5355\u65b9\u6cd5\u3002\u5b83\u5bf9\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8fdb\u884c\u539f\u4f4d\u6392\u5e8f\uff0c\u8fd9\u610f\u5473\u7740\u6392\u5e8f\u540e\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u5c06\u8986\u76d6\u539f\u59cb\u5143\u7d20\u3002<\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<pre>java.util.Arrays.sort(int[] arr);\njava.util.Arrays.sort(String[] arr);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] numbers = {5, 2, 8, 3, 1};\nArrays.sort(numbers);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h3>2. \u81ea\u5b9a\u4e49\u6bd4\u8f83\u5668<\/h3>\n<p>\u5982\u679c\u4f60\u5e0c\u671b\u6309\u7167\u81ea\u5b9a\u4e49\u6807\u51c6\u5bf9\u6570\u7ec4\u6392\u5e8f\uff0c\u53ef\u4ee5\u4f7f\u7528\u81ea\u5b9a\u4e49\u6bd4\u8f83\u5668\u3002Java \u63d0\u4f9b\u4e86 java.util.Comparator \u63a5\u53e3\u6765\u5b9a\u4e49\u6bd4\u8f83\u89c4\u5219\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>import java.util.Arrays;\nimport java.util.Comparator;\n\npublic class SortByStringLengthComparator implements Comparator&lt;String&gt; {\n    @Override\n    public int compare(String s1, String s2) {\n        return s1.length() - s2.length();\n    }\n}\n\nString[] names = {\"Alice\", \"Bob\", \"Carol\", \"Dave\", \"Eve\"};\nArrays.sort(names, new SortByStringLengthComparator());<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h3>3. \u6d41\u6392\u5e8f<\/h3>\n<p>Java 8 \u5f15\u5165\u4e86\u6d41 API\uff0c\u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u7b80\u6d01\u7684\u65b9\u5f0f\u6765\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528 sorted() \u65b9\u6cd5\u5bf9\u6d41\u8fdb\u884c\u6392\u5e8f\uff0c\u7136\u540e\u5c06\u7ed3\u679c\u6536\u96c6\u5230\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\u4e2d\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] numbers = {5, 2, 8, 3, 1};\nint[] sortedNumbers = Arrays.stream(numbers).sorted().toArray();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h3>4. TimSort<\/h3>\n<p>Java 7 \u5f15\u5165\u4e86 TimSort \u7b97\u6cd5\uff0c\u5b83\u662f\u5bf9\u5f52\u5e76\u6392\u5e8f\u548c\u63d2\u5165\u6392\u5e8f\u7684\u6df7\u5408\u3002TimSort \u88ab\u7528\u4e8e Arrays.sort() \u65b9\u6cd5\u7b49\u5404\u79cd\u6392\u5e8f\u64cd\u4f5c\u4e2d\u3002<\/p>\n<p>TimSort \u7b97\u6cd5\u5bf9\u5927\u578b\u6570\u7ec4\u7279\u522b\u6709\u6548\uff0c\u56e0\u4e3a\u5b83\u5c06\u6570\u7ec4\u5212\u5206\u4e3a\u8f83\u5c0f\u7684\u5b50\u6570\u7ec4\uff0c\u5e76\u4f7f\u7528\u5f52\u5e76\u6392\u5e8f\u548c\u63d2\u5165\u6392\u5e8f\u6765\u5bf9\u5b83\u4eec\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<h3>5. \u5feb\u6392<\/h3>\n<p>\u5feb\u6392\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u6392\u5e8f\u7b97\u6cd5\uff0c\u5b83\u4f7f\u7528\u5206\u800c\u6cbb\u4e4b\u7684\u7b56\u7565\u3002\u5b83\u9009\u62e9\u4e00\u4e2a\u67a2\u8f74\u5143\u7d20\uff0c\u5c06\u6570\u7ec4\u5212\u5206\u4e3a\u5c0f\u4e8e\u67a2\u8f74\u5143\u7d20\u7684\u5143\u7d20\u548c\u5927\u4e8e\u67a2\u8f74\u5143\u7d20\u7684\u5143\u7d20\uff0c\u7136\u540e\u9012\u5f52\u5730\u5bf9\u8fd9\u4e24\u4e2a\u5b50\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 Arrays.sort() \u65b9\u6cd5\u5b9e\u73b0\u5feb\u901f\u6392\u5e8f\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>Arrays.sort(arr, 0, arr.length - 1);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u628a\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\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>java \u4e2d\u5bf9\u6570\u7ec4\u6392\u5e8f\u7684\u65b9\u6cd5\u6709\uff1aarrays.sort() \u65b9\u6cd5\uff1a\u539f\u4f4d\u6392\u5e8f\uff0c\u65e0\u9700\u81ea\u5b9a\u4e49\u6bd4\u8f83\u89c4\u5219\u3002\u81ea\u5b9a\u4e49\u6bd4\u8f83\u5668\uff1a\u7528\u4e8e\u6309\u7167\u81ea\u5b9a\u4e49\u6807\u51c6\u6392\u5e8f\u3002\u6d41\u6392\u5e8f\uff1a\u4f7f\u7528 sorted() \u65b9\u6cd5\u5bf9\u6d41\u6392\u5e8f\uff0c\u7136\u540e\u6536\u96c6\u5230\u65b0\u6570\u7ec4\u3002timsort \u7b97\u6cd5\uff1a\u9002\u7528\u4e8e\u5927\u578b\u6570\u7ec4\uff0c\u5c06\u5f52\u5e76\u6392\u5e8f\u548c\u63d2\u5165\u6392\u5e8f\u76f8\u7ed3\u5408\u3002\u5feb\u6392\uff1a\u5206\u800c\u6cbb\u4e4b\u7b97\u6cd5\uff0c\u9009\u62e9\u67a2\u8f74\u5143\u7d20\u5212\u5206\u6570\u7ec4\uff0c\u9012\u5f52\u6392\u5e8f\u5b50\u6570\u7ec4\u3002 Java \u4e2d\u5982\u4f55\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f \u5728 Java \u4e2d\uff0c\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u64cd\u4f5c\u3002\u5b83\u6839\u636e\u6307\u5b9a\u7684\u6392\u5e8f\u6807\u51c6\u91cd\u6392\u6570\u7ec4\u5143\u7d20\u7684\u987a\u5e8f\u3002Java \u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5b8c\u6210\u6b64\u4efb\u52a1\u3002 1. Arrays.sort() \u65b9\u6cd5 \u8fd9\u662f Java \u4e2d\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u7684\u6700\u7b80\u5355\u65b9\u6cd5\u3002\u5b83\u5bf9\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8fdb\u884c\u539f\u4f4d\u6392\u5e8f\uff0c\u8fd9\u610f\u5473\u7740\u6392\u5e8f\u540e\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u5c06\u8986\u76d6\u539f\u59cb\u5143\u7d20\u3002 \u8bed\u6cd5\uff1a java.util.Arrays.sort(int[] arr); java.util.Arrays.sort(String[] arr); \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = {5, 2, 8, 3, 1}; Arrays.sort(numbers); \u767b\u5f55\u540e\u590d\u5236 2. \u81ea\u5b9a\u4e49\u6bd4\u8f83\u5668 \u5982\u679c\u4f60\u5e0c\u671b\u6309\u7167\u81ea\u5b9a\u4e49\u6807\u51c6\u5bf9\u6570\u7ec4\u6392\u5e8f\uff0c\u53ef\u4ee5\u4f7f\u7528\u81ea\u5b9a\u4e49\u6bd4\u8f83\u5668\u3002Java \u63d0\u4f9b\u4e86 java.util.Comparator \u63a5\u53e3\u6765\u5b9a\u4e49\u6bd4\u8f83\u89c4\u5219\u3002 \u793a\u4f8b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b import java.util.Arrays; import java.util.Comparator; public class SortByStringLengthComparator implements Comparator&lt;String&gt; { @Override [&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-37730","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37730","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=37730"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37730\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37730"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37730"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37730"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}