A subclass can override (replace) an inherited method so that the subclass’s version of the method is called instead. An overriding method must specify the same name, parameter list, and return ...

BaseClass ‘s method has its return type set to BaseReturnType, whereas DerivedClass ‘s overriding method has its return type set to DerivedReturnType, a subclass of BaseReturnType.

Note that most lanagues allowing overriding do not 'remove' the base classes implementation from the subclass, it is still present if needed, but only visible to the base class**. in java the ...