Which three statements are true?

Refer to the Exhibit. Which three statements are true? (Choose three.)

A.
Compilation fails.

B.
The code compiles and the output is 2.

C.
If lines 16, 17 and 18 were removed, compilation would fail.

D.
If lines 24, 25 and 26 were removed, compilation would fail.

E.
If lines 16, 17 and 18 were removed, the code would compile and the output would be 2.

F.
If lines 24, 25 and 26 were removed, the code would compile and the output would be 1.