Answer Posted / om shivaya namaha

Suppose we have 4 class

Class
Base (haveing method Display())
Class | Class
Parent1-------------------------------------------Parent2
(having method : Par1) (having method : Par2)
| |
-------------------------------------------------
|
Class Child( having Method :ch1)



as Parent1,Parent2 derived from the Base class the Method
Display will be inherited in both Parent Classes and the
Child class is inherited from parent1,parent2
so the Child class may contain Display(Base class Method)
method 2 time so it will create runtime problems to avoid
such problems we have to use Virtual Overide concepts


Class
Base (haveing method Virtual:Display())
Class | Class
Parent1-------------------------------------------Parent2
(having method : Par1) (having method : Par2)
Override : Display() Override : Display()
| |
-------------------------------------------------
|
Class Child( having Method :ch1)

then the Child class will contail only one Display method

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