{"id":37566,"date":"2024-11-26T08:48:06","date_gmt":"2024-11-26T00:48:06","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37566\/"},"modified":"2024-11-26T08:48:06","modified_gmt":"2024-11-26T00:48:06","slug":"java-%e6%b7%b7%e4%b9%b1%e7%9a%84%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%8c%ba%e5%88%86","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37566\/","title":{"rendered":"java \u6df7\u4e71\u7684\u6570\u7ec4\u600e\u4e48\u533a\u5206"},"content":{"rendered":"<blockquote><p>\n  \u901a\u8fc7\u987a\u5e8f\u68c0\u67e5\u3001\u904d\u5386\u68c0\u67e5\u3001\u67e5\u627e\u7279\u5b9a\u5143\u7d20\u548c\u4f7f\u7528\u6d41\u5f0f\u5904\u7406\u6216\u6b63\u5219\u8868\u8fbe\u5f0f\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u533a\u5206 java \u4e2d\u6df7\u4e71\u7684\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111307181976575.jpg\" class=\"aligncenter\" title=\"java \u6df7\u4e71\u7684\u6570\u7ec4\u600e\u4e48\u533a\u5206\u63d2\u56fe\" alt=\"java \u6df7\u4e71\u7684\u6570\u7ec4\u600e\u4e48\u533a\u5206\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u533a\u5206 Java \u4e2d\u6df7\u4e71\u7684\u6570\u7ec4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u4e2a\u5305\u542b\u56fa\u5b9a\u6570\u91cf\u5143\u7d20\u7684\u8fde\u7eed\u96c6\u5408\u3002\u5f53\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u987a\u5e8f\u6df7\u4e71\u6216\u65e0\u6cd5\u6309\u9884\u671f\u987a\u5e8f\u8bbf\u95ee\u65f6\uff0c\u5b83\u5c31\u88ab\u79f0\u4e3a\u6df7\u4e71\u7684\u6570\u7ec4\u3002\u4ee5\u4e0b\u662f\u533a\u5206\u6df7\u4e71\u6570\u7ec4\u7684\u4e00\u4e9b\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u987a\u5e8f\u68c0\u67e5<\/strong><\/p>\n<ul>\n<li> <strong>Array.sort()\uff1a<\/strong> \u4f7f\u7528\u6b64\u65b9\u6cd5\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\uff0c\u7136\u540e\u68c0\u67e5\u6392\u5e8f\u540e\u7684\u6570\u7ec4\u662f\u5426\u4e0e\u9884\u671f\u987a\u5e8f\u4e00\u81f4\u3002\u5982\u679c\u6392\u5e8f\u540e\u7684\u6570\u7ec4\u4e0e\u9884\u671f\u4e0d\u540c\uff0c\u5219\u539f\u59cb\u6570\u7ec4\u6df7\u4e71\u3002<\/li>\n<li> <strong>Arrays.equals()\uff1a<\/strong> \u5c06\u6570\u7ec4\u4e0e\u9884\u671f\u987a\u5e8f\u7684\u6570\u7ec4\u8fdb\u884c\u6bd4\u8f83\u3002\u5982\u679c\u6bd4\u8f83\u7ed3\u679c\u4e3a false\uff0c\u5219\u539f\u59cb\u6570\u7ec4\u6df7\u4e71\u3002<\/li>\n<\/ul>\n<p><strong>2. \u904d\u5386\u68c0\u67e5<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li> <strong>\u4f7f\u7528 for \u6216 foreach \u5faa\u73af\uff1a<\/strong> \u904d\u5386\u6570\u7ec4\u5e76\u68c0\u67e5\u6bcf\u4e2a\u5143\u7d20\u662f\u5426\u4f4d\u4e8e\u9884\u671f\u4f4d\u7f6e\u3002\u5982\u679c\u4efb\u4f55\u5143\u7d20\u4e0d\u5728\u9884\u671f\u4f4d\u7f6e\uff0c\u5219\u6570\u7ec4\u6df7\u4e71\u3002<\/li>\n<li> <strong>\u4f7f\u7528\u8fed\u4ee3\u5668\uff1a<\/strong> \u4f7f\u7528 ListIterator \u5bf9\u8c61\u904d\u5386\u6570\u7ec4\uff0c\u5e76\u68c0\u67e5\u6bcf\u4e2a\u5143\u7d20\u662f\u5426\u4f4d\u4e8e\u9884\u671f\u4f4d\u7f6e\u3002<\/li>\n<\/ul>\n<p><strong>3. \u67e5\u627e\u7279\u5b9a\u5143\u7d20<\/strong><\/p>\n<ul>\n<li> <strong>Array.binarySearch()\uff1a<\/strong> \u4f7f\u7528\u4e8c\u5206\u67e5\u627e\u7b97\u6cd5\u5728\u6570\u7ec4\u4e2d\u67e5\u627e\u7279\u5b9a\u5143\u7d20\u3002\u5982\u679c\u4e8c\u5206\u67e5\u627e\u5931\u8d25\uff0c\u5219\u6570\u7ec4\u6df7\u4e71\u3002<\/li>\n<li> <strong>Arrays.asList()\uff1a<\/strong> \u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a List\uff0c\u7136\u540e\u4f7f\u7528 List.contns() \u65b9\u6cd5\u67e5\u627e\u7279\u5b9a\u5143\u7d20\u3002\u5982\u679c\u5143\u7d20\u4e0d\u5b58\u5728\uff0c\u5219\u6570\u7ec4\u6df7\u4e71\u3002<\/li>\n<\/ul>\n<p><strong>4. \u5176\u4ed6\u65b9\u6cd5<\/strong><\/p>\n<ul>\n<li> <strong>\u6d41\u5f0f\u5904\u7406\uff1a<\/strong> \u4f7f\u7528 Stream.sorted() \u65b9\u6cd5\u5bf9\u6570\u7ec4\u6d41\u8fdb\u884c\u6392\u5e8f\uff0c\u7136\u540e\u68c0\u67e5\u6392\u5e8f\u540e\u7684\u6d41\u662f\u5426\u4e0e\u9884\u671f\u987a\u5e8f\u4e00\u81f4\u3002<\/li>\n<li> <strong>\u6b63\u5219\u8868\u8fbe\u5f0f\uff1a<\/strong> \u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u6570\u7ec4\u5143\u7d20\u7684\u9884\u671f\u987a\u5e8f\u3002\u5982\u679c\u5339\u914d\u5931\u8d25\uff0c\u5219\u6570\u7ec4\u6df7\u4e71\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre>int[] nums = {3, 1, 5, 2, 4};\n\n\/\/ \u987a\u5e8f\u68c0\u67e5\nArrays.sort(nums);\nif (!Arrays.equals(nums, new int[]{1, 2, 3, 4, 5})) {\n    System.out.println(\"\u6570\u7ec4\u6df7\u4e71\");\n}\n\n\/\/ \u904d\u5386\u68c0\u67e5\nfor (int i = 1; i &lt; nums.length; i++) {\n    if (nums[i] &lt; nums[i - 1]) {\n        System.out.println(\"\u6570\u7ec4\u6df7\u4e71\");\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u533a\u5206 Java \u4e2d\u6df7\u4e71\u7684\u6570\u7ec4\uff0c\u4ece\u800c\u8fdb\u884c\u9002\u5f53\u7684\u5904\u7406\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava \u6df7\u4e71\u7684\u6570\u7ec4\u600e\u4e48\u533a\u5206\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>\u901a\u8fc7\u987a\u5e8f\u68c0\u67e5\u3001\u904d\u5386\u68c0\u67e5\u3001\u67e5\u627e\u7279\u5b9a\u5143\u7d20\u548c\u4f7f\u7528\u6d41\u5f0f\u5904\u7406\u6216\u6b63\u5219\u8868\u8fbe\u5f0f\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u533a\u5206 java \u4e2d\u6df7\u4e71\u7684\u6570\u7ec4\u3002 \u5982\u4f55\u533a\u5206 Java \u4e2d\u6df7\u4e71\u7684\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u4e2a\u5305\u542b\u56fa\u5b9a\u6570\u91cf\u5143\u7d20\u7684\u8fde\u7eed\u96c6\u5408\u3002\u5f53\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u987a\u5e8f\u6df7\u4e71\u6216\u65e0\u6cd5\u6309\u9884\u671f\u987a\u5e8f\u8bbf\u95ee\u65f6\uff0c\u5b83\u5c31\u88ab\u79f0\u4e3a\u6df7\u4e71\u7684\u6570\u7ec4\u3002\u4ee5\u4e0b\u662f\u533a\u5206\u6df7\u4e71\u6570\u7ec4\u7684\u4e00\u4e9b\u65b9\u6cd5\uff1a 1. \u987a\u5e8f\u68c0\u67e5 Array.sort()\uff1a \u4f7f\u7528\u6b64\u65b9\u6cd5\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\uff0c\u7136\u540e\u68c0\u67e5\u6392\u5e8f\u540e\u7684\u6570\u7ec4\u662f\u5426\u4e0e\u9884\u671f\u987a\u5e8f\u4e00\u81f4\u3002\u5982\u679c\u6392\u5e8f\u540e\u7684\u6570\u7ec4\u4e0e\u9884\u671f\u4e0d\u540c\uff0c\u5219\u539f\u59cb\u6570\u7ec4\u6df7\u4e71\u3002 Arrays.equals()\uff1a \u5c06\u6570\u7ec4\u4e0e\u9884\u671f\u987a\u5e8f\u7684\u6570\u7ec4\u8fdb\u884c\u6bd4\u8f83\u3002\u5982\u679c\u6bd4\u8f83\u7ed3\u679c\u4e3a false\uff0c\u5219\u539f\u59cb\u6570\u7ec4\u6df7\u4e71\u3002 2. \u904d\u5386\u68c0\u67e5 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4f7f\u7528 for \u6216 foreach \u5faa\u73af\uff1a \u904d\u5386\u6570\u7ec4\u5e76\u68c0\u67e5\u6bcf\u4e2a\u5143\u7d20\u662f\u5426\u4f4d\u4e8e\u9884\u671f\u4f4d\u7f6e\u3002\u5982\u679c\u4efb\u4f55\u5143\u7d20\u4e0d\u5728\u9884\u671f\u4f4d\u7f6e\uff0c\u5219\u6570\u7ec4\u6df7\u4e71\u3002 \u4f7f\u7528\u8fed\u4ee3\u5668\uff1a \u4f7f\u7528 ListIterator \u5bf9\u8c61\u904d\u5386\u6570\u7ec4\uff0c\u5e76\u68c0\u67e5\u6bcf\u4e2a\u5143\u7d20\u662f\u5426\u4f4d\u4e8e\u9884\u671f\u4f4d\u7f6e\u3002 3. \u67e5\u627e\u7279\u5b9a\u5143\u7d20 Array.binarySearch()\uff1a \u4f7f\u7528\u4e8c\u5206\u67e5\u627e\u7b97\u6cd5\u5728\u6570\u7ec4\u4e2d\u67e5\u627e\u7279\u5b9a\u5143\u7d20\u3002\u5982\u679c\u4e8c\u5206\u67e5\u627e\u5931\u8d25\uff0c\u5219\u6570\u7ec4\u6df7\u4e71\u3002 Arrays.asList()\uff1a \u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a List\uff0c\u7136\u540e\u4f7f\u7528 List.contns() \u65b9\u6cd5\u67e5\u627e\u7279\u5b9a\u5143\u7d20\u3002\u5982\u679c\u5143\u7d20\u4e0d\u5b58\u5728\uff0c\u5219\u6570\u7ec4\u6df7\u4e71\u3002 4. \u5176\u4ed6\u65b9\u6cd5 \u6d41\u5f0f\u5904\u7406\uff1a \u4f7f\u7528 Stream.sorted() \u65b9\u6cd5\u5bf9\u6570\u7ec4\u6d41\u8fdb\u884c\u6392\u5e8f\uff0c\u7136\u540e\u68c0\u67e5\u6392\u5e8f\u540e\u7684\u6d41\u662f\u5426\u4e0e\u9884\u671f\u987a\u5e8f\u4e00\u81f4\u3002 \u6b63\u5219\u8868\u8fbe\u5f0f\uff1a \u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u6570\u7ec4\u5143\u7d20\u7684\u9884\u671f\u987a\u5e8f\u3002\u5982\u679c\u5339\u914d\u5931\u8d25\uff0c\u5219\u6570\u7ec4\u6df7\u4e71\u3002 \u4f8b\u5982\uff1a int[] nums = {3, 1, 5, 2, 4}; [&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-37566","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37566","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=37566"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37566\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37566"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37566"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}