Computer Applications
Define Polymorphism.
OOP Intro Java
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Answer
In object-oriented programming, Polymorphism provides the means to perform a single action in multiple different ways. Taking the real world example of animals, if we ask different animals to speak, they respond in their own way. Dog barks, duck quacks, cat says meow and so on. So the same action of speaking is performed in different ways by different animals.
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Object Oriented Programming is an approach to standarise the program by creating partitioned memory area for both data and functions. It does not allow data to flow freely from one function to other. In this system, the complete problem is decomposed into a number of entities called objects. Some of the object oriented principles are given in the box as below:
Polymorphism Encapsulation Inheritance Abstraction Pick an appropriate principle for each of the descriptions given below:
(a) It allows deriving a new class from existing class. The new class will have combined features of both the classes.
(b) It promotes function overloading which is using a number of functions/methods with the same name but with different parameters.
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(d) It is using some external components without knowing the internal mechanism.