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6.6 Polymorphism The word “polymorphism” means “different forms”. Applied in object-oriented paradigm it means the ability of an entity to exhibit different forms at runtime.

However, why would such a kind of feature be required? One major reason to have this is to eliminate the type inspection. As we can see in the earlier case study that we discussed there would also be a type inspection checking at the client application level where in the employee entities would be used. So just as in every functionality, we had checked for the type of employee we will also have to check in the main function about the type of employee we are handling. With polymorphism, we can have this level of type inspection also being eradicated totally.