Wednesday, February 4, 2015

Interface Sample code

public interface Shape
{
              public int area();
     
}

public class Square implements Shape
{
int a;
        public int area()
      {
                int area = a*a;
                System.out.println("Area of an square is "+area);
          }

         public static void main(String args[]){
       
           a = 50;
           Shape s = new Square();
           s.area();
        }

}

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