{"id":37859,"date":"2024-11-26T15:59:57","date_gmt":"2024-11-26T07:59:57","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37859\/"},"modified":"2024-11-26T15:59:57","modified_gmt":"2024-11-26T07:59:57","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e5%88%a4%e6%96%ad%e6%95%b0%e7%bb%84%e6%98%af%e5%90%a6%e5%9b%9e%e6%96%87","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37859\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u5224\u65ad\u6570\u7ec4\u662f\u5426\u56de\u6587"},"content":{"rendered":"<blockquote><p>\n  java\u4e2d\u5224\u65ad\u6570\u7ec4\u56de\u6587\u7684\u6b65\u9aa4\uff1a1. \u5b9a\u4e49\u56de\u6587\u68c0\u6d4b\u65b9\u6cd5\uff1b2. \u68c0\u67e5\u6570\u7ec4\u957f\u5ea6\uff1b3. \u4f7f\u7528\u53cc\u6307\u9488\u5bf9\u6bd4\u5143\u7d20\uff1b4. \u8fd4\u56de\u7ed3\u679c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111312034756430.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u600e\u4e48\u5224\u65ad\u6570\u7ec4\u662f\u5426\u56de\u6587\u63d2\u56fe\" alt=\"java\u4e2d\u600e\u4e48\u5224\u65ad\u6570\u7ec4\u662f\u5426\u56de\u6587\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5224\u65ad Java \u4e2d\u7684\u6570\u7ec4\u662f\u5426\u56de\u6587\uff1f<\/strong><\/p>\n<p>\u56de\u6587\u6570\u7ec4\u662f\u4e00\u4e2a\u4ece\u4e24\u7aef\u8bfb\u8d77\u6765\u90fd\u76f8\u540c\u7684\u6570\u7ec4\u3002\u8981\u5224\u65ad Java \u4e2d\u7684\u6570\u7ec4\u662f\u5426\u56de\u6587\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<p><strong>1. \u5b9a\u4e49\u56de\u6587\u68c0\u6d4b\u65b9\u6cd5<\/strong><\/p>\n<p>\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a isPalindrome \u7684\u9759\u6001\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u91c7\u7528\u6570\u7ec4\u4f5c\u4e3a\u8f93\u5165\u53c2\u6570\u5e76\u8fd4\u56de\u5e03\u5c14\u503c\u8868\u793a\u6570\u7ec4\u662f\u5426\u56de\u6587\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>public static boolean isPalindrome(int[] arr) {<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u68c0\u67e5\u6570\u7ec4\u957f\u5ea6<\/strong><\/p>\n<p>\u5982\u679c\u6570\u7ec4\u957f\u5ea6\u4e3a 0 \u6216 1\uff0c\u5219\u5b83\u663e\u7136\u662f\u4e00\u4e2a\u56de\u6587\uff0c\u56e0\u6b64\u76f4\u63a5\u8fd4\u56de true\u3002<\/p>\n<pre>    if (arr.length &lt;= 1) {\n        return true;\n    }<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528\u53cc\u6307\u9488\u5bf9\u6bd4\u5143\u7d20<\/strong><\/p>\n<p>\u4f7f\u7528\u4e24\u4e2a\u6307\u9488 start \u548c end\uff0c\u5206\u522b\u6307\u5411\u6570\u7ec4\u7684\u5f00\u5934\u548c\u7ed3\u5c3e\u3002\u904d\u5386\u6570\u7ec4\uff0c\u5e76\u5728\u6bcf\u6b21\u8fed\u4ee3\u4e2d\u6bd4\u8f83 start \u548c end \u5904\u7684\u5143\u7d20\u3002\u5982\u679c\u5b83\u4eec\u76f8\u7b49\uff0c\u5219\u5c06\u6307\u9488\u5411\u4e2d\u5fc3\u79fb\u52a8\uff0c\u5426\u5219\u8fd4\u56de false\u3002<\/p>\n<pre>    int start = 0;\n    int end = arr.length - 1;\n    while (start &lt; end) {\n        if (arr[start] != arr[end]) {\n            return false;\n        }\n        start++;\n        end--;\n    }<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u8fd4\u56de\u7ed3\u679c<\/strong><\/p>\n<p>\u5982\u679c\u5faa\u73af\u6267\u884c\u5b8c\u6bd5\uff0c\u5219\u6240\u6709\u5143\u7d20\u90fd\u76f8\u7b49\uff0c\u56e0\u6b64\u6570\u7ec4\u662f\u56de\u6587\u7684\u3002\u5426\u5219\uff0c\u6570\u7ec4\u4e0d\u662f\u56de\u6587\u7684\u3002<\/p>\n<pre>    return true;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\u7528\u6cd5\uff1a<\/strong><\/p>\n<pre>int[] arr = {1, 2, 3, 3, 2, 1};\nSystem.out.println(isPalindrome(arr)); \/\/ true\n\nint[] arr2 = {1, 2, 5, 7, 9};\nSystem.out.println(isPalindrome(arr2)); \/\/ false<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u5224\u65ad\u6570\u7ec4\u662f\u5426\u56de\u6587\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\u5224\u65ad\u6570\u7ec4\u56de\u6587\u7684\u6b65\u9aa4\uff1a1. \u5b9a\u4e49\u56de\u6587\u68c0\u6d4b\u65b9\u6cd5\uff1b2. \u68c0\u67e5\u6570\u7ec4\u957f\u5ea6\uff1b3. \u4f7f\u7528\u53cc\u6307\u9488\u5bf9\u6bd4\u5143\u7d20\uff1b4. \u8fd4\u56de\u7ed3\u679c\u3002 \u5982\u4f55\u5224\u65ad Java \u4e2d\u7684\u6570\u7ec4\u662f\u5426\u56de\u6587\uff1f \u56de\u6587\u6570\u7ec4\u662f\u4e00\u4e2a\u4ece\u4e24\u7aef\u8bfb\u8d77\u6765\u90fd\u76f8\u540c\u7684\u6570\u7ec4\u3002\u8981\u5224\u65ad Java \u4e2d\u7684\u6570\u7ec4\u662f\u5426\u56de\u6587\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a 1. \u5b9a\u4e49\u56de\u6587\u68c0\u6d4b\u65b9\u6cd5 \u521b\u5efa\u4e00\u4e2a\u540d\u4e3a isPalindrome \u7684\u9759\u6001\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u91c7\u7528\u6570\u7ec4\u4f5c\u4e3a\u8f93\u5165\u53c2\u6570\u5e76\u8fd4\u56de\u5e03\u5c14\u503c\u8868\u793a\u6570\u7ec4\u662f\u5426\u56de\u6587\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b public static boolean isPalindrome(int[] arr) { \u767b\u5f55\u540e\u590d\u5236 2. \u68c0\u67e5\u6570\u7ec4\u957f\u5ea6 \u5982\u679c\u6570\u7ec4\u957f\u5ea6\u4e3a 0 \u6216 1\uff0c\u5219\u5b83\u663e\u7136\u662f\u4e00\u4e2a\u56de\u6587\uff0c\u56e0\u6b64\u76f4\u63a5\u8fd4\u56de true\u3002 if (arr.length &lt;= 1) { return true; } \u767b\u5f55\u540e\u590d\u5236 3. \u4f7f\u7528\u53cc\u6307\u9488\u5bf9\u6bd4\u5143\u7d20 \u4f7f\u7528\u4e24\u4e2a\u6307\u9488 start \u548c end\uff0c\u5206\u522b\u6307\u5411\u6570\u7ec4\u7684\u5f00\u5934\u548c\u7ed3\u5c3e\u3002\u904d\u5386\u6570\u7ec4\uff0c\u5e76\u5728\u6bcf\u6b21\u8fed\u4ee3\u4e2d\u6bd4\u8f83 start \u548c end \u5904\u7684\u5143\u7d20\u3002\u5982\u679c\u5b83\u4eec\u76f8\u7b49\uff0c\u5219\u5c06\u6307\u9488\u5411\u4e2d\u5fc3\u79fb\u52a8\uff0c\u5426\u5219\u8fd4\u56de false\u3002 int start = 0; [&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-37859","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37859","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=37859"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37859\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37859"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37859"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}