Answer Posted / satish kumar k

In object-oriented programming languages with multiple
inheritance and knowledge organization, the diamond problem
is an ambiguity that arises when two classes B and C inherit
from A, and class D inherits from both B and C. If a method
in D calls a method defined in A (and does not override the
method), and B and C have overridden that method
differently, then from which class does it inherit: B, or C?
For example, in the context of GUI software development, a
class Button may inherit from both classes Rectangle (for
appearance) and MouseEvent (for functionality), and classes
Rectangle and MouseEvent both inherit from the Object class.
Now if the equals method is called for a Button object and
there is no such method in the Button class but there is an
over-ridden equals method in both Rectangle and MouseEvent,
which method should be eventually called?

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