{"id":64143,"date":"2025-05-03T08:27:38","date_gmt":"2025-05-03T00:27:38","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64143\/"},"modified":"2025-05-03T08:27:38","modified_gmt":"2025-05-03T00:27:38","slug":"java%e6%95%b0%e7%bb%84%e7%9a%84%e7%89%b9%e5%ae%9a%e5%80%bc%e6%80%8e%e4%b9%88%e7%9c%8b-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64143\/","title":{"rendered":"java\u6570\u7ec4\u7684\u7279\u5b9a\u503c\u600e\u4e48\u770b"},"content":{"rendered":"<blockquote><p>\n  java\u6570\u7ec4\u4e2d\u67e5\u627e\u7279\u5b9a\u503c\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528\u5faa\u73af\u9010\u4e2a\u6bd4\u8f83\u5143\u7d20\u6216\u8005\u4f7f\u7528arrays.binarysearch()\uff0c\u540e\u8005\u9002\u7528\u4e8e\u5df2\u6392\u5e8f\u6570\u7ec4\uff0c\u6548\u7387\u66f4\u9ad8\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/02\/2024110215184645641.jpg\" class=\"aligncenter\" title=\"java\u6570\u7ec4\u7684\u7279\u5b9a\u503c\u600e\u4e48\u770b\u63d2\u56fe\" alt=\"java\u6570\u7ec4\u7684\u7279\u5b9a\u503c\u600e\u4e48\u770b\u63d2\u56fe\" \/><\/p>\n<p><strong>Java\u6570\u7ec4\u4e2d\u7279\u5b9a\u503c\u7684\u67e5\u627e<\/strong><\/p>\n<p><strong>\u5982\u4f55\u67e5\u627eJava\u6570\u7ec4\u4e2d\u7684\u7279\u5b9a\u503c\uff1a<\/strong><\/p>\n<ol>\n<li> <strong>\u4f7f\u7528\u5faa\u73af\uff1a<\/strong>\u904d\u5386\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u4f7f\u7528==\u8fd0\u7b97\u7b26\u5c06\u5176\u4e0e\u76ee\u6807\u503c\u8fdb\u884c\u6bd4\u8f83\u3002<\/li>\n<li> <strong>\u4f7f\u7528Arrays.binarySearch()\uff1a<\/strong>\u5982\u679c\u6570\u7ec4\u5df2\u6392\u5e8f\uff0c\u53ef\u4ee5\u4f7f\u7528Arrays.binarySearch()\u65b9\u6cd5\uff0c\u5b83\u901a\u8fc7\u4e8c\u5206\u641c\u7d22\u9ad8\u6548\u5730\u67e5\u627e\u7279\u5b9a\u503c\u3002<\/li>\n<\/ol>\n<p><strong>\u8be6\u7ec6\u8bf4\u660e\uff1a<\/strong><\/p>\n<p><strong>1. \u4f7f\u7528\u5faa\u73af\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nint target = 3;\n\nboolean found = false;\nfor (int element : numbers) {\n    if (element == target) {\n        found = true;\n        break;\n    }\n}\n\nif (found) {\n    System.out.println(\"\u7279\u5b9a\u503c\u5df2\u88ab\u627e\u5230\uff1a\" + target);\n} else {\n    System.out.println(\"\u7279\u5b9a\u503c\u4e0d\u5b58\u5728\u4e8e\u6570\u7ec4\u4e2d\uff1a\" + target);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528Arrays.binarySearch()\uff1a<\/strong><\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nint target = 3;\n\nArrays.sort(numbers);  \/\/ \u5fc5\u987b\u5148\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\nint index = Arrays.binarySearch(numbers, target);\n\nif (index &gt;= 0) {\n    System.out.println(\"\u7279\u5b9a\u503c\u5df2\u88ab\u627e\u5230\uff0c\u5176\u7d22\u5f15\u4e3a\uff1a\" + index);\n} else {\n    System.out.println(\"\u7279\u5b9a\u503c\u4e0d\u5b58\u5728\u4e8e\u6570\u7ec4\u4e2d\uff1a\" + target);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff1a<\/strong><\/p>\n<ul>\n<li>\u5982\u679c\u6570\u7ec4\u672a\u6392\u5e8f\uff0c\u5e76\u4e14\u5143\u7d20\u6570\u91cf\u8f83\u5c11\uff0c\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u65b9\u6cd5\u3002<\/li>\n<li>\u5982\u679c\u6570\u7ec4\u5df2\u6392\u5e8f\uff0c\u6216\u8005\u5143\u7d20\u6570\u91cf\u8f83\u5927\uff0c\u4f7f\u7528Arrays.binarySearch()\u65b9\u6cd5\u66f4\u6709\u6548\u7387\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u7684\u7279\u5b9a\u503c\u600e\u4e48\u770b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java\u6570\u7ec4\u4e2d\u67e5\u627e\u7279\u5b9a\u503c\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528\u5faa\u73af\u9010\u4e2a\u6bd4\u8f83\u5143\u7d20\u6216\u8005\u4f7f\u7528arrays.binarysearch()\uff0c\u540e\u8005\u9002\u7528\u4e8e\u5df2\u6392\u5e8f\u6570\u7ec4\uff0c\u6548\u7387\u66f4\u9ad8\u3002 Java\u6570\u7ec4\u4e2d\u7279\u5b9a\u503c\u7684\u67e5\u627e \u5982\u4f55\u67e5\u627eJava\u6570\u7ec4\u4e2d\u7684\u7279\u5b9a\u503c\uff1a \u4f7f\u7528\u5faa\u73af\uff1a\u904d\u5386\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u4f7f\u7528==\u8fd0\u7b97\u7b26\u5c06\u5176\u4e0e\u76ee\u6807\u503c\u8fdb\u884c\u6bd4\u8f83\u3002 \u4f7f\u7528Arrays.binarySearch()\uff1a\u5982\u679c\u6570\u7ec4\u5df2\u6392\u5e8f\uff0c\u53ef\u4ee5\u4f7f\u7528Arrays.binarySearch()\u65b9\u6cd5\uff0c\u5b83\u901a\u8fc7\u4e8c\u5206\u641c\u7d22\u9ad8\u6548\u5730\u67e5\u627e\u7279\u5b9a\u503c\u3002 \u8be6\u7ec6\u8bf4\u660e\uff1a 1. \u4f7f\u7528\u5faa\u73af\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = {1, 2, 3, 4, 5}; int target = 3; boolean found = false; for (int element : numbers) { if (element == target) { found = true; break; } } if (found) { System.out.println(&#8220;\u7279\u5b9a\u503c\u5df2\u88ab\u627e\u5230\uff1a&#8221; + target); } else { System.out.println(&#8220;\u7279\u5b9a\u503c\u4e0d\u5b58\u5728\u4e8e\u6570\u7ec4\u4e2d\uff1a&#8221; + target); } [&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-64143","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64143","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=64143"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64143\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64143"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}