What is the output of this program

class A {
        int i;
    }    
    class B extends A {
        int j;
        void display() {
            super.i = j + 1;
            System.out.println(j + " " + i);
        }
    }    
    class inheritance {
        public static void main(String args[])
        {
            B obj = new B();
            obj.i=1;
            obj.j=2;   
            obj.display();     
        }
   }