class Students implements Cloneable {
    int rno;
    String student_name;
    
    public Students(int rno,String student_name) {
        this.rno = rno;
        this.student_name = student_name;
    }
    
    public Students clone() throws CloneNotSupportedException {
        return (Students) super.clone();
    }
}

class Solution {
    public static void main(String args[])throws Exception{
        Students stu = new Students(1001,"Sarathy");
        
        //stu object is not copy to stuCopy. It is passing object reference of stu to stuCopy.
        Students stuCopy = stu;

        //clone method name of student class can be anything, but should call super.clone();
        Students stuClone = stu.clone();
        stuCopy.student_name = "Ram";
        
        //Will return same names because stuCopy and stu are pointing to same reference
        System.out.println(stu.student_name+" - "+stuCopy.student_name);
        
        stuClone.student_name = "Siva";
        //Clone object will not change assigned object student name
        System.out.println(stu.student_name+" - "+stuClone.student_name);
    }
}