How do I determine if a class extends another class in Java?

Question

In Java how do I go about determining what classes a class extends?

public class A{
}

public class B extends A{
}

public class C extends A{
}

public class         


        

Answer 1

If you want compile time checking, you can use Generics (Java 5 and up):

public void myFunc(Class cls) {
}

Passing in any Class not inherited from A generates a compile time error.