Implement overload with differents return types

I need to overload a method with two differents return types, and in java is not possible, so does it make sense if i have a super class with "Object" return type an then i override this method in two different classes?

class A{
    Object method()
    {
    ...
    }
}

class B extends A{
    @override
    Integer method()
    {
    ...
    }
}

class C extends A{
    @override
    Double method()
    {
    ...
    }
}

or is there a better way to do this? or simply other solutions?