What is the output of this program?interface calculation { void calculate(int Num); } class display implements calculation { int p; public void calculate(int Num) { p = Num * Num; } } public class interfaces_Example { public static void main(String args[]) { display object = new display(); object.p = 0; object.calculate(4); System.out.print(object.p); } }

• A. 0
• B. 4
• C. 16
• D. Compilation Error
• E. Runtime Error