In Java, is it possible to override methods if return types are respectively a primitive and its wrapper class?

Question

While working with the idea of overriding and overridden methods in Java I have noticed that there is some flexiblity given for the return types of such methods.

Her

Answer 1

For first example:

Method in A:
public Object some_method() {....}
Method in B:
public Integer some_method() {....}

this type of overriding possible, but rest for two example overriding not possible.