Another choice for middle ground (Composition Vs Inheritance)
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Both composition and inheritance place sub objects inside the new class. With composition, the sub object is explicit whereas the sub object with inheritance is implicit.
#object oriented programming
8 posts · page 1 of 1
Another look in Inheritance
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We touched a bit on Inheritance concept. Inheritance is sometimes used to add functions to a class as a way of reuse for a new purpose.
Composition
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One of most compelling arguments for object oriented programming is code reuse.
Polymorphism
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One of the Object Oriented Programming concept is the ability of polymorphism. The word, polymorphism is an ancient Greek term. It means many forms. In programming context, polymorphism means an obje…
Upcasting class
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Taking an object reference and treating it as a reference to its base type is called upcasting.
Abstract or Interface
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An abstract class is like an ordinary class except one or more functions or properties is incomplete - ie. a function without implementation or a property without initialisation.
Ask for inheritance
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Inheritance is a mechanism for creating a new class by reusing and modifying an existing class.
Primary Constructor vs Secondary Constructor
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A constructor is a special function that creates a new object. Using var or val in the parameter list makes them accessible from outside the object.