java jdk 动态代理问题

Question

1.假设两个不同第三方jar包的类a和b都实现了同一个接口，现在对a和b使用jdk代理增强会生成几个代理类的Class对象？为什么？

2.接上一个问题，如果使用jdk动态代理时a和b分别指定了不同的类加载器，会生成几个代理类的Class对象？为什么？

3.如果使用jdk动态代理时a和b都没有指定类加载器，会怎样？

4.卸载类加载器时其对应的代理类Class对象是否会被释放回收？

Answer 1

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

Answer 2

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