{"id":66297,"date":"2025-05-03T15:42:18","date_gmt":"2025-05-03T07:42:18","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66297\/"},"modified":"2025-05-03T15:42:18","modified_gmt":"2025-05-03T07:42:18","slug":"java%e6%80%8e%e4%b9%88%e5%bb%ba%e7%ab%8b%e4%b8%80%e4%b8%aa%e7%b1%bb%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66297\/","title":{"rendered":"java\u600e\u4e48\u5efa\u7acb\u4e00\u4e2a\u7c7b\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u8981\u5728 java \u4e2d\u5efa\u7acb\u4e00\u4e2a\u7c7b\u6570\u7ec4\uff0c\u9700\u8981\u5b8c\u6210\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u58f0\u660e\u4e00\u4e2a\u7c7b\u6570\u7ec4\uff0c\u6307\u5b9a\u8981\u5b58\u50a8\u7684\u7c7b\u7684\u540d\u79f0\u3002\u521d\u59cb\u5316\u7c7b\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u6307\u5b9a\u957f\u5ea6\u6216\u6570\u7ec4\u5b57\u9762\u91cf\u3002\u901a\u8fc7\u6570\u7ec4\u7d22\u5f15\u8bbf\u95ee\u7c7b\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/15\/2024111506271751524.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5efa\u7acb\u4e00\u4e2a\u7c7b\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5efa\u7acb\u4e00\u4e2a\u7c7b\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u5efa\u7acb\u4e00\u4e2a\u7c7b\u6570\u7ec4<\/strong><\/p>\n<p><strong>\u7b2c\u4e00\u6b65\uff1a\u58f0\u660e\u4e00\u4e2a\u7c7b\u6570\u7ec4<\/strong><\/p>\n<pre>MyClass[] myClassArray;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d MyClass \u662f\u8981\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u7684\u7c7b\u7684\u540d\u79f0\u3002<\/p>\n<p><strong>\u7b2c\u4e8c\u6b65\uff1a\u521d\u59cb\u5316\u4e00\u4e2a\u7c7b\u6570\u7ec4<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u6709\u4e24\u79cd\u65b9\u6cd5\u53ef\u4ee5\u521d\u59cb\u5316\u4e00\u4e2a\u7c7b\u6570\u7ec4\uff1a<\/p>\n<ul>\n<li><strong>\u6307\u5b9a\u6570\u7ec4\u7684\u957f\u5ea6<\/strong><\/li>\n<\/ul>\n<pre>myClassArray = new MyClass[5];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5c06\u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a MyClass \u5bf9\u8c61\u7684\u6570\u7ec4\u3002<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf<\/strong><\/li>\n<\/ul>\n<pre>myClassArray = new MyClass[] { new MyClass(), new MyClass(), new MyClass() };<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5c06\u521b\u5efa\u4e00\u4e2a\u5305\u542b 3 \u4e2a MyClass \u5bf9\u8c61\u7684\u6570\u7ec4\u3002<\/p>\n<p><strong>\u7b2c\u4e09\u6b65\uff1a\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u8bbf\u95ee\u7c7b\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a<\/p>\n<pre>myClassArray[0] = new MyClass();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u5728\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u4f4d\u7f6e\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 MyClass \u5bf9\u8c61\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>public class Main {\n    public static void main(String[] args) {\n        MyClass[] myClassArray = new MyClass[5];\n\n        for (int i = 0; i &lt; myClassArray.length; i++) {\n            myClassArray[i] = new MyClass();\n        }\n\n        \/\/ \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\n        MyClass myClass = myClassArray[2];\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b 5 \u4e2a MyClass \u5bf9\u8c61\u7684\u6570\u7ec4\uff0c\u7136\u540e\u904d\u5386\u6570\u7ec4\u5e76\u521d\u59cb\u5316\u6bcf\u4e2a\u5143\u7d20\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5efa\u7acb\u4e00\u4e2a\u7c7b\u6570\u7ec4\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>\u8981\u5728 java \u4e2d\u5efa\u7acb\u4e00\u4e2a\u7c7b\u6570\u7ec4\uff0c\u9700\u8981\u5b8c\u6210\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u58f0\u660e\u4e00\u4e2a\u7c7b\u6570\u7ec4\uff0c\u6307\u5b9a\u8981\u5b58\u50a8\u7684\u7c7b\u7684\u540d\u79f0\u3002\u521d\u59cb\u5316\u7c7b\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u6307\u5b9a\u957f\u5ea6\u6216\u6570\u7ec4\u5b57\u9762\u91cf\u3002\u901a\u8fc7\u6570\u7ec4\u7d22\u5f15\u8bbf\u95ee\u7c7b\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002 \u5982\u4f55\u5728 Java \u4e2d\u5efa\u7acb\u4e00\u4e2a\u7c7b\u6570\u7ec4 \u7b2c\u4e00\u6b65\uff1a\u58f0\u660e\u4e00\u4e2a\u7c7b\u6570\u7ec4 MyClass[] myClassArray; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d MyClass \u662f\u8981\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u7684\u7c7b\u7684\u540d\u79f0\u3002 \u7b2c\u4e8c\u6b65\uff1a\u521d\u59cb\u5316\u4e00\u4e2a\u7c7b\u6570\u7ec4 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u6709\u4e24\u79cd\u65b9\u6cd5\u53ef\u4ee5\u521d\u59cb\u5316\u4e00\u4e2a\u7c7b\u6570\u7ec4\uff1a \u6307\u5b9a\u6570\u7ec4\u7684\u957f\u5ea6 myClassArray = new MyClass[5]; \u767b\u5f55\u540e\u590d\u5236 \u5c06\u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a MyClass \u5bf9\u8c61\u7684\u6570\u7ec4\u3002 \u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf myClassArray = new MyClass[] { new MyClass(), new MyClass(), new MyClass() }; \u767b\u5f55\u540e\u590d\u5236 \u5c06\u521b\u5efa\u4e00\u4e2a\u5305\u542b 3 \u4e2a MyClass \u5bf9\u8c61\u7684\u6570\u7ec4\u3002 \u7b2c\u4e09\u6b65\uff1a\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20 \u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u8bbf\u95ee\u7c7b\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a myClassArray[0] = new MyClass(); \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u5728\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u4f4d\u7f6e\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 MyClass [&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-66297","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66297","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=66297"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66297\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66297"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66297"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66297"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}