package J20250805.demo03; /** * @author WanJl * @version 1.0 * @title ClassLoaderTest * @description * @create 2025/8/5 */ public class ClassLoaderTest { public static void main(String[] args) { //当前类的类加载器 //ClassLoader classLoader = ClassLoaderTest.class.getClassLoader(); //通过当前类的类加载器---获取父类加载器,获取系统类加载器 ClassLoader systemClassLoader = ClassLoader.getSystemClassLoader() ; //获取系统类加载器的父类,平台类加载器 ClassLoader platformClassLoader = systemClassLoader.getParent(); //获取平台类加载器的父加载器---启动类加载器 ClassLoader boostrapClassLoader = platformClassLoader.getParent(); //System.out.println("当前类加载器:"+classLoader); System.out.println("系统类加载器:"+systemClassLoader); System.out.println("平台类加载器:"+platformClassLoader); System.out.println("启动类加载器:"+boostrapClassLoader); } }