Polymorphism ,operator overloading,function overloading,dynamic binding

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In the real world, the meaning of an operation varies with context and the same operation may behave differently, in different situation. The move operation, for example, behaves differently on the class person, and on the class polygon on the screen. A specific implementation of an operation by a certain class is called a method. A object oriented operation, being polymorphic, may have more than one method of implementing it. The word polymorphism is derived form the Greek meaning many forms. It allows a single name to be used for more than one related purpose, which are technically different. The following are the different ways of achieving polymorphism in a C++ program.
  • Function Name Overloading 
  • Operator overloading 
  • Dynamic Binding
Polymorphism permits the programmer to generate high level reusable component that can be tailored to fit different applications, by changing their low level parts,.

Dynamic Binding 
binding refers to the tie-up of a procedure call to the address code to be execute in response to the call. Bynamic binding means that the code associated with a given procedure call is not known until its call at run-time . For example, consider a graphic application in which th class figure 

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