java mcq abstract code example

Example 1: mcq on abstract class in java

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

Example 2: java abstract mcq

class A 
    {
        public int i;
        protected int j;
    }    
    class B extends A 
    {
        int j;
        void display() 
        {
            super.j = 3;
            System.out.println(i + " " + j);
        }
    }    
    class Output 
    {
        public static void main(String args[])
        {
            B obj = new B();
            obj.i=1;
            obj.j=2;   
            obj.display();     
        }
   }