All the programming languages supporting Object Oriented Programming will be supporting these three main concepts, Encapsulation. Inheritance. Polymorphism. C# provides full support for object-oriented programming including encapsulation, inheritance, and polymorphism. Encapsulation means that a. As a developer, you might be tempted to answer that it comprises things like Encapsulation, Polymorphism, Abstraction, and Inheritance. Obviously, there are principles like Encapsulation, Polymorphism, Abstraction, and Inheritance, but these are the consequence and not the generating force behind the OO paradigm in C#.


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OOP Concepts in C#: Code Examples and How to Create a Class

One way to achieve this is inheritance. It means that you create a child class by deriving from another parent class. This way, we form a hierarchy. The child class reuses all fields and methods of the parent class common part and can implement its own unique part.

A private teacher is a type of teacher. If our program needs to manage public and private teachers, but also other types of people like students, we can implement this class hierarchy.

This way, each class adds only what is necessary for it while reusing common logic with the parent classes. So we already know the power oop concepts inc inheritance and happily use oop concepts inc.

How to explain object-oriented programming concepts to a 6-year-old

But there oop concepts inc this problem. Say we have a parent class and a few child classes which inherit from it. Sometimes we want to use a collection — for oop concepts inc a list — which contains a mix of all these classes.

This can be solved by using polymorphism. But each child class keeps its own methods as they are. This typically happens by defining a parent interface to be reused.


It outlines a bunch of common methods. Then, each child class implements its own version of these methods.

Any time a collection such as a list or a method expects an instance of the parent where oop concepts inc methods are outlinedthe language takes care of evaluating the right implementation of the common method — regardless of which child is passed.

Encapsulation is when a group of related methods, properties, and other members are treated as oop concepts inc single object. Polymorphism is when each class implements the same methods in varying ways, but you can still have several classes that can be utilized interchangeably.

Object-oriented programming

Abstraction is the process by which a developer hides everything other than the relevant data about an object in order to simplify and increase oop concepts inc. What is an Oop concepts inc Objects are instances of classes. In other words, an instance of a class is an object defined by that particular class.

Creating a new instance, or an object, is called instantiation.

How to explain object-oriented programming concepts to a 6-year-old

This is how you define a oop concepts inc A class is made up of three things: A oop concepts inc Operations Attributes Objects are created from a class blueprint, which defines the data and behavior of all instances of that type. In some languages classes and objects can be composed using other concepts like traits and mixins.

Class-based vs prototype-based[ edit ] In class-based languages the classes are defined beforehand and the objects are instantiated based on the classes.


If two objects apple and orange are instantiated from the class Fruit, they are inherently fruits and it is guaranteed that you may oop concepts inc them in the same way; e.

In prototype-based languages the objects are the primary entities. No classes even exist. The prototype of an object is just another object to which the object is linked.