polymorphism in c++

Posted Date: 30 Apr 2008 Resource Type: Articles/Knowledge Sharing Category: Education

Posted By: mohit Member Level: Gold
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Polymorphism

Polymorphism literally means "many shapes". It refers to the properties of a language which alter the normal meaning of a language construct.
C++ exhibits four kinds of polymorphism:

-overloaded functions
the definition attached to a function name is altered according to the number of type of its parameters (its signature)
-sub-type expressions
the evaluation of an expression is altered according to the inheritance relationship between classes
-generic classes (and functions)
the declaration of a class is altered according to the value of compile-time parameters
-dynamic binding of functions
the evaluation of an function call expression is altered according to the actual type of the caller object

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