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Protected class & the difference between & ltT & gtclazz and protected T clazz
Method, where the class

If you understand the mechanism of generics, if you want to use generic types in the parameter list in the method signature, you must first declare the generic parameter list in the method signature. That is, plus

The return type of the former is obviously different from that of the latter. It is an object type with generic type parameters, such as list.

But in terms of inclusiveness, class