{"id":65886,"date":"2025-05-03T16:36:33","date_gmt":"2025-05-03T08:36:33","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65886\/"},"modified":"2025-05-03T16:36:33","modified_gmt":"2025-05-03T08:36:33","slug":"java%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e8%ae%be%e7%bd%ae%e4%b8%8d%e5%8f%af%e5%8f%98%e6%9b%b4-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65886\/","title":{"rendered":"java\u6570\u7ec4\u600e\u4e48\u8bbe\u7f6e\u4e0d\u53ef\u53d8\u66f4"},"content":{"rendered":"<blockquote><p>\n  \u8981\u4f7fjava\u6570\u7ec4\u4e0d\u53ef\u53d8\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a\u4f7f\u7528java.lang.reflect.array.setboolean()\u65b9\u6cd5\uff1b\u4f7f\u7528java.util.arrays.copyof()\u65b9\u6cd5\uff1b\u4f7f\u7528java.util.list.toarray()\u65b9\u6cd5\uff1b\u4f7f\u7528java.util.collections.unmodifiablelist()\u65b9\u6cd5\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111314151939694.jpg\" class=\"aligncenter\" title=\"java\u6570\u7ec4\u600e\u4e48\u8bbe\u7f6e\u4e0d\u53ef\u53d8\u66f4\u63d2\u56fe\" alt=\"java\u6570\u7ec4\u600e\u4e48\u8bbe\u7f6e\u4e0d\u53ef\u53d8\u66f4\u63d2\u56fe\" \/><\/p>\n<p><strong>Java\u6570\u7ec4\u5982\u4f55\u4f7f\u5176\u4e0d\u53ef\u53d8\u66f4<\/strong><\/p>\n<p>\u8981\u4f7fJava\u6570\u7ec4\u4e0d\u53ef\u53d8\u66f4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528java.lang.reflect.Array.setBoolean()\u65b9\u6cd5<\/strong><\/p>\n<p>\u6b64\u65b9\u6cd5\u53ef\u5c06\u6570\u7ec4\u4e2d\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\u8bbe\u7f6e\u4e3a\u5e03\u5c14\u503c\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u4e0d\u53ef\u53d8\u6570\u7ec4\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>java.lang.reflect.Array.setBoolean(Object array, int index, boolean value);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528java.util.Arrays.copyOf()\u65b9\u6cd5<\/strong><\/p>\n<p>\u6b64\u65b9\u6cd5\u53ef\u8fd4\u56de\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u8be5\u6570\u7ec4\u662f\u539f\u59cb\u6570\u7ec4\u7684\u4e00\u4e2a\u4e0d\u53ef\u53d8\u526f\u672c\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>java.util.Arrays.copyOf(Object[] originalArray, int newLength);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528java.util.List.toArray()\u65b9\u6cd5<\/strong><\/p>\n<p>\u6b64\u65b9\u6cd5\u53ef\u5c06\u4e0d\u53ef\u53d8\u5217\u8868\u8f6c\u6362\u4e3a\u4e0d\u53ef\u53d8\u6570\u7ec4\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>java.util.Arrays.asList(List&lt;T&gt; list).toArray();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u4f7f\u7528java.util.Collections.unmodifiableList()\u65b9\u6cd5<\/strong><\/p>\n<p>\u6b64\u65b9\u6cd5\u53ef\u8fd4\u56de\u4e00\u4e2a\u4e0d\u53ef\u53d8\u5217\u8868\uff0c\u8be5\u5217\u8868\u5305\u542b\u539f\u59cb\u6570\u7ec4\u7684\u5143\u7d20\u3002\u7136\u540e\u53ef\u4ee5\u5c06\u6b64\u5217\u8868\u8f6c\u6362\u4e3a\u4e0d\u53ef\u53d8\u6570\u7ec4\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>java.util.Collections.unmodifiableList(List&lt;T&gt; list).toArray();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u4e0a\u8ff0\u6240\u6709\u65b9\u6cd5\u90fd\u4f1a\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\uff0c\u539f\u59cb\u6570\u7ec4\u4ecd\u53ef\u66f4\u6539\u3002<\/li>\n<li>\u4e00\u65e6\u6570\u7ec4\u53d8\u4e3a\u4e0d\u53ef\u53d8\uff0c\u5c31\u65e0\u6cd5\u518d\u5bf9\u5176\u8fdb\u884c\u4efb\u4f55\u4fee\u6539\u3002<\/li>\n<li>\u4e0d\u53ef\u53d8\u6570\u7ec4\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u7279\u522b\u6709\u7528\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u9632\u6b62\u5e76\u53d1\u4fee\u6539\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u600e\u4e48\u8bbe\u7f6e\u4e0d\u53ef\u53d8\u66f4\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\u4f7fjava\u6570\u7ec4\u4e0d\u53ef\u53d8\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a\u4f7f\u7528java.lang.reflect.array.setboolean()\u65b9\u6cd5\uff1b\u4f7f\u7528java.util.arrays.copyof()\u65b9\u6cd5\uff1b\u4f7f\u7528java.util.list.toarray()\u65b9\u6cd5\uff1b\u4f7f\u7528java.util.collections.unmodifiablelist()\u65b9\u6cd5\u3002 Java\u6570\u7ec4\u5982\u4f55\u4f7f\u5176\u4e0d\u53ef\u53d8\u66f4 \u8981\u4f7fJava\u6570\u7ec4\u4e0d\u53ef\u53d8\u66f4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a 1. \u4f7f\u7528java.lang.reflect.Array.setBoolean()\u65b9\u6cd5 \u6b64\u65b9\u6cd5\u53ef\u5c06\u6570\u7ec4\u4e2d\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\u8bbe\u7f6e\u4e3a\u5e03\u5c14\u503c\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u4e0d\u53ef\u53d8\u6570\u7ec4\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b java.lang.reflect.Array.setBoolean(Object array, int index, boolean value); \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528java.util.Arrays.copyOf()\u65b9\u6cd5 \u6b64\u65b9\u6cd5\u53ef\u8fd4\u56de\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u8be5\u6570\u7ec4\u662f\u539f\u59cb\u6570\u7ec4\u7684\u4e00\u4e2a\u4e0d\u53ef\u53d8\u526f\u672c\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a java.util.Arrays.copyOf(Object[] originalArray, int newLength); \u767b\u5f55\u540e\u590d\u5236 3. \u4f7f\u7528java.util.List.toArray()\u65b9\u6cd5 \u6b64\u65b9\u6cd5\u53ef\u5c06\u4e0d\u53ef\u53d8\u5217\u8868\u8f6c\u6362\u4e3a\u4e0d\u53ef\u53d8\u6570\u7ec4\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a java.util.Arrays.asList(List&lt;T&gt; list).toArray(); \u767b\u5f55\u540e\u590d\u5236 4. \u4f7f\u7528java.util.Collections.unmodifiableList()\u65b9\u6cd5 \u6b64\u65b9\u6cd5\u53ef\u8fd4\u56de\u4e00\u4e2a\u4e0d\u53ef\u53d8\u5217\u8868\uff0c\u8be5\u5217\u8868\u5305\u542b\u539f\u59cb\u6570\u7ec4\u7684\u5143\u7d20\u3002\u7136\u540e\u53ef\u4ee5\u5c06\u6b64\u5217\u8868\u8f6c\u6362\u4e3a\u4e0d\u53ef\u53d8\u6570\u7ec4\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a java.util.Collections.unmodifiableList(List&lt;T&gt; list).toArray(); \u767b\u5f55\u540e\u590d\u5236 \u6ce8\u610f\uff1a \u4e0a\u8ff0\u6240\u6709\u65b9\u6cd5\u90fd\u4f1a\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\uff0c\u539f\u59cb\u6570\u7ec4\u4ecd\u53ef\u66f4\u6539\u3002 \u4e00\u65e6\u6570\u7ec4\u53d8\u4e3a\u4e0d\u53ef\u53d8\uff0c\u5c31\u65e0\u6cd5\u518d\u5bf9\u5176\u8fdb\u884c\u4efb\u4f55\u4fee\u6539\u3002 \u4e0d\u53ef\u53d8\u6570\u7ec4\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u7279\u522b\u6709\u7528\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u9632\u6b62\u5e76\u53d1\u4fee\u6539\u3002 \u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u600e\u4e48\u8bbe\u7f6e\u4e0d\u53ef\u53d8\u66f4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/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-65886","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65886","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=65886"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65886\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65886"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65886"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65886"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}