interface calculate{ void cal(int item);}class display implements calculate{ int x; public void cal(int item) { x = item * item; }}class Main{ public static void main(String args[]) { display arr = new display(); arr.x = 0; arr.cal(2); System.out.print(arr.x); }}8.All methods must be implemented of an interface.

interface calculate{ void cal(int item);}class display implements ca

1.	interface calculate{ void cal(int item);}class display implements calculate{ int x; public void cal(int item) { x = item * item; }}class Main{ public static void main(String args[]) { display arr = new display(); arr.x = 0; arr.cal(2); System.out.print(arr.x); }} 8.All methods must be implemented of an interface.
A.	TRUE
B.	FALSE
C.	Can be true or false
D.	can not say
Answer» B. FALSE