{"id":4042,"date":"2024-03-13T07:51:23","date_gmt":"2024-03-13T07:51:23","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-call-a-private-method-in-java\/"},"modified":"2025-07-31T00:51:54","modified_gmt":"2025-07-31T00:51:54","slug":"how-to-call-a-private-method-in-java","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-call-a-private-method-in-java\/","title":{"rendered":"Call Private Method Java: Reflection Guide"},"content":{"rendered":"<p>In Java, private methods can only be called within their own class. If you want to call a private method in another class, you can achieve this using reflection.<\/p>\n<p>Below is an example code demonstrating how to use reflection to invoke a private method.<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> java.lang.reflect.Method;\r\n\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">PrivateMethodExample<\/span> {\r\n\r\n    <span class=\"hljs-keyword\">private<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">privateMethod<\/span><span class=\"hljs-params\">()<\/span> {\r\n        System.out.println(<span class=\"hljs-string\">\"This is a private method.\"<\/span>);\r\n    }\r\n\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">(String[] args)<\/span> <span class=\"hljs-keyword\">throws<\/span> Exception {\r\n        <span class=\"hljs-type\">PrivateMethodExample<\/span> <span class=\"hljs-variable\">example<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">PrivateMethodExample<\/span>();\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u83b7\u53d6\u79c1\u6709\u65b9\u6cd5<\/span>\r\n        <span class=\"hljs-type\">Method<\/span> <span class=\"hljs-variable\">method<\/span> <span class=\"hljs-operator\">=<\/span> PrivateMethodExample.class.getDeclaredMethod(<span class=\"hljs-string\">\"privateMethod\"<\/span>);\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u8bbe\u7f6e\u79c1\u6709\u65b9\u6cd5\u53ef\u4ee5\u88ab\u8bbf\u95ee<\/span>\r\n        method.setAccessible(<span class=\"hljs-literal\">true<\/span>);\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u8c03\u7528\u79c1\u6709\u65b9\u6cd5<\/span>\r\n        method.invoke(example);\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>In the code above, we first create a PrivateMethodExample class containing a private method privateMethod. We then use reflection in the main method to access the private method and call it. It is important to note that we need to set the private method to be accessible by using method.setAccessible(true).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Java, private methods can only be called within their own class. If you want to call a private method in another class, you can achieve this using reflection. Below is an example code demonstrating how to use reflection to invoke a private method. import java.lang.reflect.Method; public class PrivateMethodExample { private void privateMethod() { System.out.println(&#8220;This [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[3176,180,3173,3175,3174],"class_list":["post-4042","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-coding-techniques","tag-java-programming","tag-java-reflection","tag-java-tips","tag-private-methods"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Call Private Method Java: Reflection Guide - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to call private methods in Java using reflection. 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