What Is Object Oriented Programming Language in Visual Basic?


Heather Bennett

Object Oriented Programming (OOP) is a programming paradigm that provides a way to structure and organize code by using objects. Visual Basic, a widely-used programming language, also supports OOP concepts. In this article, we will explore what Object Oriented Programming Language is in Visual Basic and its key elements.

What is Object Oriented Programming?

Object Oriented Programming is a programming paradigm that focuses on creating reusable and modular code by organizing data and functionality into objects. It allows developers to break down complex problems into smaller, more manageable parts. OOP promotes code reusability, maintainability, and scalability.

Key Concepts of Object Oriented Programming

There are four key concepts in Object Oriented Programming: Encapsulation, Inheritance, Polymorphism, and Abstraction. Let’s take a closer look at each of them:

  • Encapsulation:

    In OOP, encapsulation refers to the bundling of data and methods within an object. It allows you to hide the internal implementation details of an object from the outside world. By using access modifiers such as public, private, and protected, you can control the visibility and accessibility of the object’s members.

  • Inheritance:

    Inheritance allows you to create new classes based on existing classes. The derived class inherits properties and methods from the base class.

    This concept promotes code reuse by enabling you to extend or modify the behavior of existing classes without modifying their original implementation.

  • Polymorphism:

    Polymorphism means having many forms. It allows objects of different classes to be treated as objects of a common base class. This concept enables you to write code that can work with objects of different types, providing flexibility and extensibility.

  • Abstraction:

    Abstraction allows you to model real-world entities by defining abstract classes or interfaces. Abstract classes provide a blueprint for creating derived classes, while interfaces define a contract that implementing classes must adhere to. Abstraction helps in achieving loose coupling and modularity.

Object Oriented Programming in Visual Basic

Visual Basic (VB) is an event-driven programming language that supports OOP concepts. It allows you to define classes, create objects, and interact with them using properties, methods, and events.

In VB, you can define a class using the Class keyword. A class is a blueprint for creating objects with specific attributes (properties) and behaviors (methods). Here’s an example of a simple class in VB:

Public Class Person
    Public Property Name As String
    Public Property Age As Integer

    Public Sub SayHello()
        Console.WriteLine("Hello, my name is " & Name & " and I am " & Age & " years old.")
    End Sub
End Class

To create an object from the above class, you can use the New keyword:

Dim person As New Person()
person.Name = "John"
person.Age = 25

This will create a new instance of the Person class, set its properties, and invoke the SayHello method, which will display a greeting message.

Visual Basic also supports inheritance, allowing you to derive new classes from existing ones using the Inherits keyword. This enables code reuse and promotes a hierarchical structure. Additionally, VB supports other OOP features like interfaces, abstract classes, and polymorphism.


In conclusion, Object Oriented Programming Language in Visual Basic provides developers with a powerful way to organize code by utilizing objects and their interactions. By leveraging concepts such as encapsulation, inheritance, polymorphism, and abstraction, developers can create modular, reusable, and maintainable applications. Understanding these concepts is essential for effectively utilizing the OOP capabilities of Visual Basic.

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