{"id":66649,"date":"2025-05-03T08:26:04","date_gmt":"2025-05-03T00:26:04","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66649\/"},"modified":"2025-05-03T08:26:04","modified_gmt":"2025-05-03T00:26:04","slug":"java%e5%af%b9%e8%b1%a1%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e6%89%93%e5%8d%b0%e5%87%ba%e6%9d%a5-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66649\/","title":{"rendered":"java\u5bf9\u8c61\u6570\u7ec4\u600e\u4e48\u6253\u5370\u51fa\u6765"},"content":{"rendered":"<blockquote><p>\n  \u6253\u5370 java \u5bf9\u8c61\u6570\u7ec4\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528\u589e\u5f3a for \u5faa\u73af\uff1afor (object element : array) { system.out.println(element); }\u4f7f\u7528\u4f20\u7edf for \u5faa\u73af\uff1afor (int i = 0; i <\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111611452019442.jpg\" class=\"aligncenter\" title=\"java\u5bf9\u8c61\u6570\u7ec4\u600e\u4e48\u6253\u5370\u51fa\u6765\u63d2\u56fe\" alt=\"java\u5bf9\u8c61\u6570\u7ec4\u600e\u4e48\u6253\u5370\u51fa\u6765\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u6253\u5370 Java \u5bf9\u8c61\u6570\u7ec4<\/strong><\/p>\n<p>Java \u5bf9\u8c61\u6570\u7ec4\u662f\u4e00\u79cd\u53ef\u4ee5\u5b58\u50a8\u5bf9\u8c61\u5f15\u7528\uff08\u6307\u5411\u5bf9\u8c61\u7684\u6307\u9488\uff09\u7684\u6570\u636e\u7ed3\u6784\u3002\u8981\u60f3\u6253\u5370\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528\u589e\u5f3a for \u5faa\u73af\uff1a<\/strong><\/p>\n<p>`for (Object element : array) {<br \/> System.out.println(element);<br \/>}`<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p><strong>2. \u4f7f\u7528\u4f20\u7edf for \u5faa\u73af\uff1a<\/strong><\/p>\n<p>`for (int i = 0; i System.out.println(array[i]);<br \/>}`<\/p>\n<p><strong>3. \u4f7f\u7528 Arrays.toString() \u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>System.out.println(Arrays.toString(array));<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>Person[] persons = {new Person(\"John\", 30), new Person(\"Mary\", 25)};\n\n\/\/ \u4f7f\u7528\u589e\u5f3a for \u5faa\u73af\nfor (Person person : persons) {\n  System.out.println(person);\n}\n\n\/\/ \u4f7f\u7528\u4f20\u7edf for \u5faa\u73af\nfor (int i = 0; i &lt; persons.length; i++) {\n  System.out.println(persons[i]);\n}\n\n\/\/ \u4f7f\u7528 Arrays.toString() \u65b9\u6cd5\nSystem.out.println(Arrays.toString(persons));<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n<pre>Person(name=John, age=30)\nPerson(name=Mary, age=25)\n[Person(name=John, age=30), Person(name=Mary, age=25)]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236\n<\/p><\/blockquote>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u5bf9\u8c61\u6570\u7ec4\u600e\u4e48\u6253\u5370\u51fa\u6765\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>\u6253\u5370 java \u5bf9\u8c61\u6570\u7ec4\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528\u589e\u5f3a for \u5faa\u73af\uff1afor (object element : array) { system.out.println(element); }\u4f7f\u7528\u4f20\u7edf for \u5faa\u73af\uff1afor (int i = 0; i \u5982\u4f55\u6253\u5370 Java \u5bf9\u8c61\u6570\u7ec4 Java \u5bf9\u8c61\u6570\u7ec4\u662f\u4e00\u79cd\u53ef\u4ee5\u5b58\u50a8\u5bf9\u8c61\u5f15\u7528\uff08\u6307\u5411\u5bf9\u8c61\u7684\u6307\u9488\uff09\u7684\u6570\u636e\u7ed3\u6784\u3002\u8981\u60f3\u6253\u5370\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a 1. \u4f7f\u7528\u589e\u5f3a for \u5faa\u73af\uff1a `for (Object element : array) { System.out.println(element);}` \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b 2. \u4f7f\u7528\u4f20\u7edf for \u5faa\u73af\uff1a `for (int i = 0; i System.out.println(array[i]);}` 3. \u4f7f\u7528 Arrays.toString() \u65b9\u6cd5\uff1a System.out.println(Arrays.toString(array)); \u793a\u4f8b\uff1a Person[] persons [&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-66649","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66649","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=66649"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66649\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}