in this tutorial we are learn about "THIS" keyword in java.
basically THIS keyword is reference variable in java, this keyword is use to reference the current object.
  • it can be used to refer instance variable of current classes.
  • it can be use to invoke current class constructor .
  • it can be passed as an argument in the method call.
  • it can be pass an argument in the constructor call.
  • it can be use to return the current class instance. 
//Program to illustrate the use of "THIS" keyword

class student

 

{

 

int rollno;

String name;

 

float fee;

 

student(int rollno,String name,float fee)

 

{

this.rollno=rollno;

 

this.name=name;

 

this.fee=fee;

 

}

void display()

 

{

 

System.out.println(rollno+" "+name+" "+fee);

 

}

 

}

class std

 

{

 

public static void main(String[] args) {

 

student s1=new student(1951027,"Niriksha",6000f);

student s2=new student(1951013,"Bhagyashri",6000f);

 

s1.display();

 

s2.display();

 

}

}

 output:

Program to illustrate the use of "THIS" keyword