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sirius19 avatar sirius19 commented on June 13, 2024

本质上底层是clazz.getDeclaredMethods()。方法的签名由方法的名称和参数类型决定。
当一个类继承自一个泛型接口或继承自一个带有泛型参数的类时,由于类型擦除的原因,编译器会在字节码中生成桥接方法以保持多态性。可以使用method.isBridge()判断是否桥接方法
上面的代码会有两个 onMessage 方法的签名,一个是接口中声明的 onMessage(T message),另一个是实际实现的 onMessage(String message)

官方文档参考:https://docs.oracle.com/javase/tutorial/java/generics/bridgeMethods.html

from arthas.

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