/* Swapping-call by reference-2nd way */
class Swappingref{
Integer x;
Integer y;
Swappingref(Integer x,Integer y){
this.x=x;
this.y=y;
}
void swapping(Swappingref obj){
Integer temp=obj.x;
obj.x=obj.y;
obj.y=temp;
}
public static void main(String[]args){
Integer x=new Integer(5);
Integer y=new Integer(6);
Swappingref object=new Swappingref(x,y);
object.swapping(object);
System.out.println("After swap:\n"+"X:"+object.x+" Y:"+object.y);
}
}
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