Q59

Given the code fragment:

             Boolean b1 = true;

             Boolean b2 = false;

             int i  = 0;

             while (foo) {}

Which one is valid as a replacement for foo?

A.
b1.compareTo(b2)

B.
i = 1

C.
i == 2? -1:0

D.
“foo”.equals(“bar”)

Risposta D : ci vuole un valore booleano