{"id":38011,"date":"2024-11-26T11:52:46","date_gmt":"2024-11-26T03:52:46","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38011\/"},"modified":"2024-11-26T11:52:46","modified_gmt":"2024-11-26T03:52:46","slug":"java%e6%95%b0%e7%bb%84%e4%b8%ad%e7%9a%84%e5%85%83%e7%b4%a0%e6%80%8e%e4%b9%88%e4%ba%a4%e6%8d%a2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38011\/","title":{"rendered":"java\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u600e\u4e48\u4ea4\u6362"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u6570\u7ec4\u4e2d\u4ea4\u6362\u5143\u7d20\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528 arrays.swap() \u65b9\u6cd5\u4f7f\u7528\u4e34\u65f6\u53d8\u91cf\u4f7f\u7528\u5f02\u6216\u8fd0\u7b97\u7b26 (^)\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111315070460061.jpg\" class=\"aligncenter\" title=\"java\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u600e\u4e48\u4ea4\u6362\u63d2\u56fe\" alt=\"java\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u600e\u4e48\u4ea4\u6362\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4ea4\u6362 Java \u6570\u7ec4\u4e2d\u7684\u5143\u7d20<\/strong><\/p>\n<p>\u5728 Java \u6570\u7ec4\u4e2d\u4ea4\u6362\u5143\u7d20\u662f\u4e00\u4e2a\u5e38\u89c1\u64cd\u4f5c\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5b9e\u73b0\u3002<\/p>\n<p><strong>1. \u4f7f\u7528\u5185\u7f6e\u7684 Arrays.swap() \u65b9\u6cd5<\/strong><\/p>\n<p>Arrays \u7c7b\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5185\u7f6e\u7684\u65b9\u6cd5 swap()\uff0c\u7528\u4e8e\u4ea4\u6362\u6570\u7ec4\u4e2d\u4e24\u4e2a\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\u3002\u4f7f\u7528\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\nArrays.swap(arr, 0, 4); \/\/ \u4ea4\u6362\u7d22\u5f15\u4e3a 0 \u548c 4 \u5904\u7684\u5143\u7d20<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528\u4e34\u65f6\u53d8\u91cf<\/strong><\/p>\n<p>\u5982\u679c\u6ca1\u6709 Arrays.swap() \u65b9\u6cd5\uff0c\u53ef\u4ee5\u7528\u4e34\u65f6\u53d8\u91cf\u6765\u4ea4\u6362\u5143\u7d20\u3002\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u521b\u5efa\u4e00\u4e2a\u4e34\u65f6\u53d8\u91cf\u6765\u5b58\u50a8\u5176\u4e2d\u4e00\u4e2a\u5143\u7d20\u3002<\/li>\n<li>\u5c06\u53e6\u4e00\u4e2a\u5143\u7d20\u8d4b\u503c\u7ed9\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002<\/li>\n<li>\u5c06\u4e34\u65f6\u53d8\u91cf\u4e2d\u7684\u5143\u7d20\u8d4b\u503c\u7ed9\u7b2c\u4e8c\u4e2a\u5143\u7d20\u3002<\/li>\n<\/ol>\n<pre>int[] arr = {1, 2, 3, 4, 5};\nint temp = arr[0];\narr[0] = arr[4];\narr[4] = temp;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528\u5f02\u6216\u8fd0\u7b97\u7b26 (^)<\/strong><\/p>\n<p>\u5f02\u6216\u8fd0\u7b97\u7b26 (^) \u662f\u53e6\u4e00\u79cd\u4ea4\u6362\u5143\u7d20\u7684\u65b9\u6cd5\u3002\u5f02\u6216\u8fd0\u7b97\u4e24\u4e2a\u76f8\u540c\u7684\u503c\uff0c\u7ed3\u679c\u4e3a 0\uff0c\u5f02\u6216\u4e24\u4e2a\u4e0d\u540c\u7684\u503c\uff0c\u7ed3\u679c\u4e3a 1\u3002\u5229\u7528\u8fd9\u4e00\u7279\u6027\uff0c\u53ef\u4ee5\u4ea4\u6362\u5143\u7d20\uff1a<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\narr[0] ^= arr[4];\narr[4] ^= arr[0];\narr[0] ^= arr[4];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u600e\u4e48\u4ea4\u6362\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>\u5728 java \u6570\u7ec4\u4e2d\u4ea4\u6362\u5143\u7d20\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528 arrays.swap() \u65b9\u6cd5\u4f7f\u7528\u4e34\u65f6\u53d8\u91cf\u4f7f\u7528\u5f02\u6216\u8fd0\u7b97\u7b26 (^) \u5982\u4f55\u4ea4\u6362 Java \u6570\u7ec4\u4e2d\u7684\u5143\u7d20 \u5728 Java \u6570\u7ec4\u4e2d\u4ea4\u6362\u5143\u7d20\u662f\u4e00\u4e2a\u5e38\u89c1\u64cd\u4f5c\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5b9e\u73b0\u3002 1. \u4f7f\u7528\u5185\u7f6e\u7684 Arrays.swap() \u65b9\u6cd5 Arrays \u7c7b\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5185\u7f6e\u7684\u65b9\u6cd5 swap()\uff0c\u7528\u4e8e\u4ea4\u6362\u6570\u7ec4\u4e2d\u4e24\u4e2a\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\u3002\u4f7f\u7528\u65b9\u6cd5\u5982\u4e0b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] arr = {1, 2, 3, 4, 5}; Arrays.swap(arr, 0, 4); \/\/ \u4ea4\u6362\u7d22\u5f15\u4e3a 0 \u548c 4 \u5904\u7684\u5143\u7d20 \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528\u4e34\u65f6\u53d8\u91cf \u5982\u679c\u6ca1\u6709 Arrays.swap() \u65b9\u6cd5\uff0c\u53ef\u4ee5\u7528\u4e34\u65f6\u53d8\u91cf\u6765\u4ea4\u6362\u5143\u7d20\u3002\u6b65\u9aa4\u5982\u4e0b\uff1a \u521b\u5efa\u4e00\u4e2a\u4e34\u65f6\u53d8\u91cf\u6765\u5b58\u50a8\u5176\u4e2d\u4e00\u4e2a\u5143\u7d20\u3002 \u5c06\u53e6\u4e00\u4e2a\u5143\u7d20\u8d4b\u503c\u7ed9\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002 \u5c06\u4e34\u65f6\u53d8\u91cf\u4e2d\u7684\u5143\u7d20\u8d4b\u503c\u7ed9\u7b2c\u4e8c\u4e2a\u5143\u7d20\u3002 int[] arr = {1, 2, 3, 4, 5}; int [&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-38011","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38011","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=38011"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38011\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38011"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38011"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}