How to create classes and object in java

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For building a house we need a plan.
With the same plan we can create as many houses as we need.
So plan is a blueprint for building a house
In java class is like our plan and object is like our house.

class is created using keyword "class"
object is created using keyword "new"

Example program ;
// - is used for writing comments

public class Shoes { //className= Shoes

String color; //Field 1
int price; // Field 2

public void running(){ // Method 1 = running
}

public void walking(){ //Method 2 = walking
}

public static void main(String[] args) { //main method
Shoes adidas = new Shoes(); // created object adidas
Shoes puma = new Shoes(); //created object puma



}

}

Java is an object-oriented programming language. The core concept of the object-oriented approach is to break complex problems into smaller objects.
A class is a blueprint for the object.
An object is any entity that has a state and behavior.
We can think of the class as a sketch (prototype) of a house. It contains all the details about the floors, doors, windows, etc. Based on these descriptions we build the house. House is the object.
Since many houses can be made from the same description, we can create many objects from a class.
We can create a class in Java using the class keyword.
Here, fields (variables) and methods represent the state and behavior of the object respectively.
fields are used to store data
methods are used to perform some operations
An object is called an instance of a class.
We have used the new keyword along with the constructor of the class to create an object.
Constructors are similar to methods and have the same name as the class and they are used for initializing object.
A class is a user defined blueprint or prototype from which objects are created. It represents the set of properties or methods that are common to all objects of one type
Constructors are used for initializing new objects. Fields are variables that provides the state of the class and its objects, and methods are used to implement the behavior of the class and its objects.
It is a basic unit of Object-Oriented Programming and represents the real life entities. A typical Java program creates many objects, which as you know, interact by invoking methods. An object consists of :

State: It is represented by attributes of an object. It also reflects the properties of an object.
Behavior: It is represented by methods of an object. It also reflects the response of an object with other objects.

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