Cookbook – VisualBasic.NET for Beginners – Chapter 32 : OOP Keywords

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Object-oriented programming (OOP) is a programming paradigm that is widely used in modern software development. It’s a way of organizing and structuring code that makes it easier to understand, maintain, and expand. Visual Basic .NET is a popular programming language that supports OOP and has several keywords that are specific to this paradigm.

As a beginner, it’s important to understand the key OOP concepts and how they are implemented in Visual Basic .NET. One of the most important concepts in OOP is the idea of an “object”. In simple terms, an object is a bundle of data and methods that are related to each other. For example, a car object might have data such as the make and model, as well as methods such as “start” and “stop”.

Another key OOP concept is “encapsulation”. Encapsulation is the idea of hiding the implementation details of an object, and only exposing the necessary information to the outside world. This is important because it allows you to change the implementation of an object without affecting the rest of the program.

Visual Basic .NET has several keywords that are specific to OOP, such as “Class”, “Sub”, “Function”, “Property”, “Event”, “Implements”, “Inherits” and many others.

The “Class” keyword is used to define a new object. When you create a class, you can define the data and methods that it contains. The “Sub” and “Function” keywords are used to define methods within a class. A “Sub” is a method that doesn’t return a value, while a “Function” does return a value.

The “Property” keyword is used to define properties of an object. Properties are special methods that provide a way to read and write the data of an object.

The “Event” keyword is used to define events that can be raised by an object. Events are a way for an object to communicate with the rest of the program and indicate that something has happened.

The “Implements” keyword is used to indicate that a class is implementing an interface. An interface is a contract that defines the methods and properties that a class must implement.

The “Inherits” keyword is used to indicate that a class is derived from another class. This allows a class to inherit the data and methods of its parent class.

In conclusion, OOP is an important programming paradigm that is widely used in modern software development. Visual Basic .NET is a popular programming language that supports OOP and has several keywords that are specific to this paradigm. As a beginner, it’s important to understand the key OOP concepts such as objects, encapsulation, class, sub, function, property, event, implements, and inherits. These concepts and keywords are essential for writing code that is organized, maintainable, and easy to understand.

 

Cookbook – VisualBasic.NET for Beginners – Chapter 32 : OOP Keywords

 

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