Java tutorial - Java Class and Objects - Part 2, in Kashmiri Urdu Language - Online lecture

Part 1 : https://youtu.be/ADr0ScjDmKw

In Java, a class is a blueprint or a template that defines the properties and behaviors of objects. It serves as a structure that encapsulates data (in the form of fields or variables) and methods (functions) that operate on that data.

Objects, on the other hand, are instances of a class. They are created using the "new" keyword and represent a specific occurrence or realization of the class. Each object has its own set of values for the class's fields, allowing for data to be stored and manipulated independently for each instance.

Here's an example of a simple Java class called "Comment" that represents a comment on a blog post:

public class Comment {
// Fields
private String author;
private String content;
private int likes;

// Constructor
public Comment(String author, String content) {
this.author = author;
this.content = content;
this.likes = 0;
}

// Methods
public void like() {
likes++;
}

public String getAuthor() {
return author;
}

public String getContent() {
return content;
}

public int getLikes() {
return likes;
}
}
In this example, the "Comment" class has three fields: "author" to store the comment's author, "content" to store the actual comment text, and "likes" to keep track of the number of likes the comment has received.

The class also has a constructor that takes the author and content as parameters and initializes the "likes" field to 0.

Additionally, the class provides methods to interact with the comment object. The "like()" method increments the "likes" count, and the "getAuthor()", "getContent()", and "getLikes()" methods allow access to the respective fields.

This example demonstrates the basic structure of a Java class and how it can be used to represent and manipulate objects in a program.

Keywords:
Java tutorial
Java Class
Objects
Object-oriented programming
Java programming
Java basics

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