//class Class
public class Class{
String s1;
String s2;
void SetS(String s,String z){
s1=s;
s2=z;
}
}
//class Main
public class Main
{
public static void main(String[] args) {
Class c1=new Class();
Class c2=new Class();
c1.SetS("Jonny","Rajput");
c2.SetS("Rameez","Sarki");
c2.s1="Junaid";
c1=c2;
System.out.println(c1.s1+" "+c1.s2);
System.out.println(c2.s1+" "+c2.s2);
}
}