Lecture Object Oriented Programing - Chapter 10: Object-Oriented Programming: Polymorphism
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In this chapter you will learn: The concept of polymorphism, to use overridden methods to effect polymorphism, to distinguish between abstract and concrete classes, to declare abstract methods to create abstract classes, how polymorphism makes systems extensible and maintainable, to determine an object's type at execution time. to declare and implement interfaces.
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