public class Parent {
    public static void main(String[] m) {
        Parent childAsParent = new Child();

        System.out.println("Calling static method with declared Parent of type Child.");
        Binder.StaticMethod(childAsParent);
        new Binder().InstanceMethod(childAsParent);
    }
}

class Child extends Parent {

}

class Binder {
    public static void StaticMethod(Child d)
    {
        System.out.println("StaticMethod(Child d)");
    }
    public static void StaticMethod(Parent h)
    {
        System.out.println("StaticMethod(Parent h)");
    }

    public void InstanceMethod(Child d)
    {
        System.out.println("InstanceMethod(Child d)");
    }
    public void InstanceMethod(Parent h)
    {
        System.out.println("InstanceMethod(Parent h)");
    }
}

// Output:
// Calling static method with declared Parent of type Child.
// StaticMethod(Parent h)
// InstanceMethod(Parent h)