{"id":38724,"date":"2024-11-26T11:59:04","date_gmt":"2024-11-26T03:59:04","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38724\/"},"modified":"2024-11-26T11:59:04","modified_gmt":"2024-11-26T03:59:04","slug":"java%e6%80%8e%e4%b9%88%e5%be%aa%e7%8e%af%e4%b8%80%e4%b8%aa%e5%af%b9%e8%b1%a1%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38724\/","title":{"rendered":"java\u600e\u4e48\u5faa\u73af\u4e00\u4e2a\u5bf9\u8c61\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  java \u5bf9\u8c61\u6570\u7ec4\u7684\u5faa\u73af\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a1. \u4f7f\u7528 for \u5faa\u73af\uff0c\u8bed\u6cd5\u4e3a\uff1afor (int i = 0; i <\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/15\/2024111505311573297.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5faa\u73af\u4e00\u4e2a\u5bf9\u8c61\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5faa\u73af\u4e00\u4e2a\u5bf9\u8c61\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5faa\u73af\u4e00\u4e2a Java \u5bf9\u8c61\u6570\u7ec4<\/strong><\/p>\n<p>\u5faa\u73af\u4e00\u4e2a Java \u5bf9\u8c61\u6570\u7ec4\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 for \u5faa\u73af<\/strong><\/p>\n<p>\u8fd9\u662f\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>for (int i = 0; i &lt; array.length; i++) {\n    \/\/ \u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\n    Object element = array[i];\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528\u589e\u5f3a for \u5faa\u73af<\/strong><\/p>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u66f4\u7b80\u6d01\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>for (Object element : array) {\n    \/\/ \u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>\/\/ \u521b\u5efa\u4e00\u4e2a\u5305\u542b String \u5143\u7d20\u7684\u6570\u7ec4\nString[] names = {\"John\", \"Mary\", \"Bob\"};\n\n\/\/ \u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\nfor (int i = 0; i &lt; names.length; i++) {\n    System.out.println(names[i]);\n}\n\n\/\/ \u4f7f\u7528\u589e\u5f3a for \u5faa\u73af\u904d\u5386\u6570\u7ec4\nfor (String name : names) {\n    System.out.println(name);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n<pre>John\nMary\nBob<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u6570\u7ec4\u7684\u957f\u5ea6\u53ef\u4ee5\u4f7f\u7528 <strong>array.length<\/strong> \u83b7\u53d6\u3002<\/li>\n<li>\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002<\/li>\n<li>\u4f7f\u7528\u589e\u5f3a for \u5faa\u73af\u65f6\uff0c\u4e0d\u80fd\u4fee\u6539\u6570\u7ec4\u7684\u5927\u5c0f\u3002<\/li>\n<\/ul>\n<\/blockquote>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5faa\u73af\u4e00\u4e2a\u5bf9\u8c61\u6570\u7ec4\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 \u5bf9\u8c61\u6570\u7ec4\u7684\u5faa\u73af\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a1. \u4f7f\u7528 for \u5faa\u73af\uff0c\u8bed\u6cd5\u4e3a\uff1afor (int i = 0; i \u5982\u4f55\u5faa\u73af\u4e00\u4e2a Java \u5bf9\u8c61\u6570\u7ec4 \u5faa\u73af\u4e00\u4e2a Java \u5bf9\u8c61\u6570\u7ec4\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\uff1a 1. \u4f7f\u7528 for \u5faa\u73af \u8fd9\u662f\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b for (int i = 0; i &lt; array.length; i++) { \/\/ \u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20 Object element = array[i]; } \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528\u589e\u5f3a for \u5faa\u73af \u8fd9\u79cd\u65b9\u6cd5\u66f4\u7b80\u6d01\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a for (Object element : array) { \/\/ \u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20 } \u767b\u5f55\u540e\u590d\u5236 [&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-38724","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38724","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=38724"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38724\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38724"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38724"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38724"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}