Polymorphism in programming languages

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Polymorphism in programming languages is a design technique in which a construct, or a piece of software, behave differently in different contexts. [1]

Minimally, it can indicate a standard operator indicates different context. In

A + B = C

invokes different operation if A, B, and C are integer, floating point, or string variables.


C++ makes extensive use of polymorphism, usually called overloading, with a technique called a virtual method.


  1. , Introduction to Polymorphism in C++, CS Teaching Material Archive, Computer Science Department, Boston University