What is the output of this program? interface calculate { void cal(int item); } class displayA implements calculate { int x; public void cal(int item) { x = item * item; } } class displayB implements calculate { int x; public void cal(int item) { x = item / item; } } class interfaces { public static void main(String args[]) { displayA arr1 = new displayA; displayB arr2 = new displayB; arr1.x = 0; arr2.x = 0; arr1.cal(2); arr2.cal(2); System.out.print(arr1.x + " " + arr2.x); } }

• A. 0 0
• B. 2 2
• C. 4 1
• D. 1 4