Passing object as arguments.

class rectangle

{

        private int len,bre;

        public void setrect(int l,int b)

        {

                len = l;

                bre = b;

        }

        public int totlen(rectangle t)

        {

                return len + t.len;

        }

        public int totbre(rectangle t)

        {

                return bre + t.bre;

        }

        rectangle combine(rectangle t)

        {

                rectangle temp = new rectangle();

                temp.len = len + t.len;

                temp.bre = bre + t.bre;

                return temp;

        }

        public void disp()

        {

                System.out.println("Length : " + len + "\t Breadth : " + bre);

        }

        public static void main(String args[])

        {

                rectangle r1 = new rectangle();

                rectangle r2 = new rectangle();

                rectangle r3 = new rectangle();

                r1.setrect(2,3);

                r2.setrect(4,5);

                int tlen = r1.totlen(r2);

                int tbre = r1.totbre(r2);

                r3 = r1.combine(r2);

                System.out.println("Total length : " + tlen);

                System.out.println("Total Breadth : " + tbre);

                r1.disp();

                r2.disp();

                r3.disp();

        }

}