multilevel inheritance example java program

class students

{

        private int sno;

        private String sname;

        public void setstud(int no,String name)

        {

                sno = no;

                sname = name;

        }

        public void putstud()

        {

                System.out.println("Student No : " + sno);

                System.out.println("Student Name : " + sname);

        }

}

class marks extends students

{

        protected int mark1,mark2;

        public void setmarks(int m1,int m2)

        {

                mark1 = m1;

                mark2 = m2;

        }

        public void putmarks()

        {

                System.out.println("Mark1 : " + mark1);

                System.out.println("Mark2 : " + mark2);

        }

}

class finaltot extends marks

{

        private int total;

        public void calc()

        {

                total = mark1 + mark2;

        }

        public void puttotal()

        {

                System.out.println("Total : " + total);

        }

        public static void main(String args[])

        {

                finaltot f = new finaltot();

                f.setstud(100,"Nithya");

                f.setmarks(78,89);

                f.calc();

                f.putstud();

                f.putmarks();

                f.puttotal();

        }

}