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docs/java/jvm/类加载器.md
@@ -118,7 +118,11 @@ protected Class<?> loadClass(String name, boolean resolve)
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### 如果我们不想用双亲委派模型怎么办?
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-为了避免双亲委托机制,我们可以自己定义一个类加载器,然后重写 `loadClass()` 即可。
+~~为了避免双亲委托机制,我们可以自己定义一个类加载器,然后重写 `loadClass()` 即可。~~
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+完善修正([issue871](https://github.com/Snailclimb/JavaGuide/issues/871):类加载器一问的补充说明):
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+ **自定义加载器的话,需要继承 `ClassLoader` 。如果我们不想打破双亲委派模型,就重写 `ClassLoader` 类中的 `findClass()` 方法即可,无法被父类加载器加载的类最终会通过这个方法被加载。但是,如果想打破双亲委派模型则需要重写 `loadClass()` 方法**
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## 自定义类加载器
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