Poly means many and morph means form. Thus, polymorphism refers to being able to use many forms of a type without regard to the details. One of the basic concepts of object oriented software development is polymorphism. The word polymorphism (from the Greek meaning “having multiple forms”) in OOP is the characteristic of being able …
Constructors are also functions and can be parameterized (takes parameters as input)and they can be overloaded. They allow flexibility while creating an object. Suppose there is a Rectangle class declared in the System.Drawing namespace. It can be instantiated by either of the two methods. Using Default Constructor Using Parameterized Constructor Method 1: Using …
This is a detailed analysis of Abstract classes and methods in C# with some concrete examples. The keyword abstract can be used with both classes and methods in C# to declare them as abstract. The classes, which we can’t initialize, are known as abstract classes. They provide only partial implementations. But another class can …
What an interface is since the word interface has a different meaning based on the context it is used in. The word interface is often used to describe the public parts of a class, i.e. the part that can be seen from others classes. The graphical user interface (GUI) is another use of the word …
Disadvantage of using Interface One drawback of using interfaces is that it makes the code more complicated to understand. Advantage of using Interface The major advantage of using interfaces is that you add an extra dimension of communication to your design. Instead of only accessing classes through class inheritance, with interfaces you can make a …
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