Write a JAVA program to give the example for ‘this’ operator. And also use the‘this’ keyword as return statement.

Aim: Write a JAVA program to give the example for ‘this’ operator. And also use the‘this’ keyword as return statement.

Program:

class A

{ 

int id;

void setId(int id)

{

this.id=id;

} 

A getA()

{  

return this;  

}  

void msg()

{

System.out.println(id+" : "+"Hello");

}  

}  

  

class Test

{  

public static void main(String args[])

{  

A ob=new A();

ob.setId(1);

ob.getA().msg(); 

ob.setId(2);

ob.getA().msg();  

}  

}  

Output: