Java This Keyword

The this keyword in Java is a reference variable that refers to the current object of a class. It is widely used in object-oriented programming for clarity, especially when dealing with instance variables and methods.

Example

class Human{

private int age;

private String name;

public int getAge(){

return age;

}

public void SetAge(int age, Human obj){

Human obj1=obj; // normal method to set age value

obj1.age=age;

}

public String getName(){

return name;

}

public void setName(String name){

this.name=name; // this method to set name value

}

public class Main {

public static void main(String[] args) {

Human obj=new Human();

obj.SetAge(20,obj);

obj.setName("Joe");

System.out.println(obj.getName()+" : "+obj.getAge());

}

Try it yourself

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