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2 changes: 1 addition & 1 deletion docs/java/jvm/类加载器.md
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JVM 中内置了三个重要的 ClassLoader,除了 BootstrapClassLoader 其他类加载器均由 Java 实现且全部继承自`java.lang.ClassLoader`:

1. **BootstrapClassLoader(启动类加载器)** :最顶层的加载类,由C++实现,负责加载 `%JAVA_HOME%/li`目录下的jar包和类或者或被 `-Xbootclasspath`参数指定的路径中的所有类。
1. **BootstrapClassLoader(启动类加载器)** :最顶层的加载类,由C++实现,负责加载 `%JAVA_HOME%/lib`目录下的jar包和类或者或被 `-Xbootclasspath`参数指定的路径中的所有类。
2. **ExtensionClassLoader(扩展类加载器)** :主要负责加载目录 `%JRE_HOME%/lib/ext` 目录下的jar包和类,或被 `java.ext.dirs` 系统变量所指定的路径下的jar包。
3. **AppClassLoader(应用程序类加载器)** :面向我们用户的加载器,负责加载当前应用classpath下的所有jar包和类。

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