{"id":66507,"date":"2025-05-03T09:30:06","date_gmt":"2025-05-03T01:30:06","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66507\/"},"modified":"2025-05-03T09:30:06","modified_gmt":"2025-05-03T01:30:06","slug":"java%e5%86%85%e9%83%a8%e7%b1%bb%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%88%9d%e5%a7%8b%e5%8c%96-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66507\/","title":{"rendered":"java\u5185\u90e8\u7c7b\u6570\u7ec4\u600e\u4e48\u521d\u59cb\u5316"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u5185\u90e8\u7c7b\u6570\u7ec4\u7684\u521d\u59cb\u5316\u65b9\u5f0f\u53d6\u51b3\u4e8e\u5176\u7c7b\u578b\uff1a\u533f\u540d\u5185\u90e8\u7c7b\u6570\u7ec4\u957f\u5ea6\u56fa\u5b9a\u3002\u672c\u5730\u5185\u90e8\u7c7b\uff08&#8221;static&#8221;\uff09\u548c\u6210\u5458\u5185\u90e8\u7c7b\u6570\u7ec4\u7684\u957f\u5ea6\u5728\u521d\u59cb\u5316\u540e\u53ef\u52a8\u6001\u8c03\u6574\uff0c\u4f46\u9700\u4f7f\u7528 arrays.copyof() \u7b49\u65b9\u6cd5\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111605242020179.jpg\" class=\"aligncenter\" title=\"java\u5185\u90e8\u7c7b\u6570\u7ec4\u600e\u4e48\u521d\u59cb\u5316\u63d2\u56fe\" alt=\"java\u5185\u90e8\u7c7b\u6570\u7ec4\u600e\u4e48\u521d\u59cb\u5316\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u5185\u90e8\u7c7b\u6570\u7ec4\u521d\u59cb\u5316<\/strong><\/p>\n<p>Java \u5185\u90e8\u7c7b\u6570\u7ec4\u7684\u521d\u59cb\u5316\u65b9\u5f0f\u53d6\u51b3\u4e8e\u5185\u90e8\u7c7b\u7684\u7c7b\u578b\uff1a<\/p>\n<p><strong>1. \u533f\u540d\u5185\u90e8\u7c7b\u6570\u7ec4<\/strong><\/p>\n<pre>\/\/ \u533f\u540d\u5185\u90e8\u7c7b\u6570\u7ec4\u957f\u5ea6\u56fa\u5b9a\nMyClass[] arr = new MyClass[] {\n    new MyClass() { \/* \u533f\u540d\u5185\u90e8\u7c7b\u5b9e\u73b0 1 *\/ },\n    new MyClass() { \/* \u533f\u540d\u5185\u90e8\u7c7b\u5b9e\u73b0 2 *\/ },\n    \/\/ ...\n};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u672c\u5730\u5185\u90e8\u7c7b\u6570\u7ec4\uff08&#8221;static&#8221; \u5185\u90e8\u7c7b\uff09<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>\/\/ \u672c\u5730\u5185\u90e8\u7c7b\u6570\u7ec4\u957f\u5ea6\u56fa\u5b9a\nMyClass.InnerClass[] arr = new MyClass.InnerClass[] {\n    new MyClass.InnerClass(),\n    new MyClass.InnerClass(),\n    \/\/ ...\n};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u6210\u5458\u5185\u90e8\u7c7b\u6570\u7ec4<\/strong><\/p>\n<p><strong>\u793a\u4f8b\uff1a\u521b\u5efa\u4e00\u4e2a\u6210\u5458\u5185\u90e8\u7c7b\u6570\u7ec4\uff0c\u7528\u4e8e\u5b58\u50a8 String \u5bf9\u8c61<\/strong><\/p>\n<pre>public class OuterClass {\n    public class InnerClass {\n        private String value;\n    \n        public InnerClass(String value) {\n            this.value = value;\n        }\n    }\n    \n    public void createInnerClassArray(String[] values) {\n        \/\/ \u521b\u5efa\u6307\u5b9a\u957f\u5ea6\u7684\u6210\u5458\u5185\u90e8\u7c7b\u6570\u7ec4\n        InnerClass[] arr = new InnerClass[values.length];\n    \n        \/\/ \u9010\u4e2a\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\n        for (int i = 0; i &lt; arr.length; i++) {\n            arr[i] = new InnerClass(values[i]);\n        }\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>OuterClass outer = new OuterClass();\nString[] values = { \"A\", \"B\", \"C\" };\nouter.createInnerClassArray(values);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<ul>\n<li>\u5185\u90e8\u7c7b\u6570\u7ec4\u7684\u957f\u5ea6\u5fc5\u987b\u5728\u521d\u59cb\u5316\u65f6\u6307\u5b9a\u3002<\/li>\n<li>\u533f\u540d\u5185\u90e8\u7c7b\u6570\u7ec4\u53ea\u80fd\u5728\u521d\u59cb\u5316\u65f6\u521b\u5efa\uff0c\u65e0\u6cd5\u52a8\u6001\u8c03\u6574\u957f\u5ea6\u3002<\/li>\n<li>\u672c\u5730\u5185\u90e8\u7c7b\u548c\u6210\u5458\u5185\u90e8\u7c7b\u6570\u7ec4\u7684\u957f\u5ea6\u53ef\u4ee5\u5728\u521d\u59cb\u5316\u540e\u52a8\u6001\u8c03\u6574\uff0c\u4f46\u9700\u8981\u4f7f\u7528 Arrays.copyOf() \u6216\u5176\u4ed6\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u5185\u90e8\u7c7b\u6570\u7ec4\u600e\u4e48\u521d\u59cb\u5316\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 \u4e2d\u5185\u90e8\u7c7b\u6570\u7ec4\u7684\u521d\u59cb\u5316\u65b9\u5f0f\u53d6\u51b3\u4e8e\u5176\u7c7b\u578b\uff1a\u533f\u540d\u5185\u90e8\u7c7b\u6570\u7ec4\u957f\u5ea6\u56fa\u5b9a\u3002\u672c\u5730\u5185\u90e8\u7c7b\uff08&#8221;static&#8221;\uff09\u548c\u6210\u5458\u5185\u90e8\u7c7b\u6570\u7ec4\u7684\u957f\u5ea6\u5728\u521d\u59cb\u5316\u540e\u53ef\u52a8\u6001\u8c03\u6574\uff0c\u4f46\u9700\u4f7f\u7528 arrays.copyof() \u7b49\u65b9\u6cd5\u3002 Java \u5185\u90e8\u7c7b\u6570\u7ec4\u521d\u59cb\u5316 Java \u5185\u90e8\u7c7b\u6570\u7ec4\u7684\u521d\u59cb\u5316\u65b9\u5f0f\u53d6\u51b3\u4e8e\u5185\u90e8\u7c7b\u7684\u7c7b\u578b\uff1a 1. \u533f\u540d\u5185\u90e8\u7c7b\u6570\u7ec4 \/\/ \u533f\u540d\u5185\u90e8\u7c7b\u6570\u7ec4\u957f\u5ea6\u56fa\u5b9a MyClass[] arr = new MyClass[] { new MyClass() { \/* \u533f\u540d\u5185\u90e8\u7c7b\u5b9e\u73b0 1 *\/ }, new MyClass() { \/* \u533f\u540d\u5185\u90e8\u7c7b\u5b9e\u73b0 2 *\/ }, \/\/ &#8230; }; \u767b\u5f55\u540e\u590d\u5236 2. \u672c\u5730\u5185\u90e8\u7c7b\u6570\u7ec4\uff08&#8221;static&#8221; \u5185\u90e8\u7c7b\uff09 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \/\/ \u672c\u5730\u5185\u90e8\u7c7b\u6570\u7ec4\u957f\u5ea6\u56fa\u5b9a MyClass.InnerClass[] arr = new MyClass.InnerClass[] { new MyClass.InnerClass(), new MyClass.InnerClass(), \/\/ [&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-66507","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66507","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=66507"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66507\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66507"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66507"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66507"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}