{"id":38976,"date":"2024-11-26T14:22:37","date_gmt":"2024-11-26T06:22:37","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38976\/"},"modified":"2024-11-26T14:22:37","modified_gmt":"2024-11-26T06:22:37","slug":"java%e6%80%8e%e4%b9%88%e7%94%a8%e9%81%8d%e5%8e%86%e6%95%b0%e7%bb%84%e9%95%bf%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38976\/","title":{"rendered":"java\u600e\u4e48\u7528\u904d\u5386\u6570\u7ec4\u957f\u5ea6"},"content":{"rendered":"<blockquote><p>\n  \u4f7f\u7528 java \u904d\u5386\u6570\u7ec4\u957f\u5ea6\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 length \u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u5143\u7d20\u6570\u91cf\uff0c\u7136\u540e\u4f7f\u7528 for \u5faa\u73af\u8bbf\u95ee\u6bcf\u4e2a\u5143\u7d20\u3002\u4f7f\u7528 foreach \u5faa\u73af\u81ea\u52a8\u8fed\u4ee3\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/15\/2024111520490943309.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u7528\u904d\u5386\u6570\u7ec4\u957f\u5ea6\u63d2\u56fe\" alt=\"java\u600e\u4e48\u7528\u904d\u5386\u6570\u7ec4\u957f\u5ea6\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 Java \u904d\u5386\u6570\u7ec4\u957f\u5ea6<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\u904d\u5386\u6570\u7ec4\u957f\u5ea6\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 length \u5c5e\u6027<\/strong><\/p>\n<p>length \u5c5e\u6027\u8fd4\u56de\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002\u8981\u904d\u5386\u6570\u7ec4\u957f\u5ea6\uff0c\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nfor (int i = 0; i &lt; numbers.length; i++) {\n  \/\/ \u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\n  System.out.println(numbers[i]);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528 foreach \u5faa\u73af<\/strong><\/p>\n<p>foreach \u5faa\u73af\u662f\u4e00\u79cd\u7b80\u5316\u904d\u5386\u6570\u7ec4\u7684\u8bed\u6cd5\u3002\u5b83\u4f1a\u81ea\u52a8\u8fed\u4ee3\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u800c\u65e0\u9700\u663e\u5f0f\u7ba1\u7406\u5faa\u73af\u53d8\u91cf\u3002<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nfor (int number : numbers) {\n  \/\/ \u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\n  System.out.println(number);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u4e24\u79cd\u65b9\u6cd5\u90fd\u53ef\u4ee5\u5728 Java \u4e2d\u904d\u5386\u6570\u7ec4\u957f\u5ea6\u3002\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\u53d6\u51b3\u4e8e\u4e2a\u4eba\u504f\u597d\u548c\u7279\u5b9a\u7684\u4f7f\u7528\u60c5\u51b5\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u7528\u904d\u5386\u6570\u7ec4\u957f\u5ea6\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>\u4f7f\u7528 java \u904d\u5386\u6570\u7ec4\u957f\u5ea6\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 length \u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u5143\u7d20\u6570\u91cf\uff0c\u7136\u540e\u4f7f\u7528 for \u5faa\u73af\u8bbf\u95ee\u6bcf\u4e2a\u5143\u7d20\u3002\u4f7f\u7528 foreach \u5faa\u73af\u81ea\u52a8\u8fed\u4ee3\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002 \u5982\u4f55\u4f7f\u7528 Java \u904d\u5386\u6570\u7ec4\u957f\u5ea6 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\u904d\u5386\u6570\u7ec4\u957f\u5ea6\uff1a 1. \u4f7f\u7528 length \u5c5e\u6027 length \u5c5e\u6027\u8fd4\u56de\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002\u8981\u904d\u5386\u6570\u7ec4\u957f\u5ea6\uff0c\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = {1, 2, 3, 4, 5}; for (int i = 0; i &lt; numbers.length; i++) { \/\/ \u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20 System.out.println(numbers[i]); } \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 foreach \u5faa\u73af foreach \u5faa\u73af\u662f\u4e00\u79cd\u7b80\u5316\u904d\u5386\u6570\u7ec4\u7684\u8bed\u6cd5\u3002\u5b83\u4f1a\u81ea\u52a8\u8fed\u4ee3\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u800c\u65e0\u9700\u663e\u5f0f\u7ba1\u7406\u5faa\u73af\u53d8\u91cf\u3002 int[] numbers = {1, [&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-38976","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38976","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=38976"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38976\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38976"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38976"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38976"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}