Java this Keyword:
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Keyword “THIS” in Java is a reference variable that refers to the current object. The various usage of the keyword Java “This” in Java is as per below,
- It can be used to refer current class instance variable.
- It can be used to invoke or initiate current class constructor.
- It can be passed as an argument in the method call.
- It can be passed as argument in the constructor call.
- It can be used to return the current class instance.
Example of Java this Keyword:

public class Main {
int x = 6;
int y = 4;
public static void main(String[] args) {
// TODO Auto-generated method stub
new Main().add(6,4);
}
public Main add(int x, int y) {
System.out.println("x + y = "+ this.x + this.y);
return this;
}
}
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