[java] Java Generics With a Class & an Interface - Together

I want to have a Class object, but I want to force whatever class it represents to extend class A and implement interface B.

I can do:

Class<? extends ClassA>

Or:

Class<? extends InterfaceB>

but I can't do both. Is there a way to do this?

Here's how you would do it in Kotlin

fun <T> myMethod(item: T) where T : ClassA, T : InterfaceB {
    //your code here
}

You can't do it with "anonymous" type parameters (ie, wildcards that use ?), but you can do it with "named" type parameters. Simply declare the type parameter at method or class level.

import java.util.List;
interface A{}
interface B{}
public class Test<E extends B & A, T extends List<E>> {
    T t;
}