What is optional?
A. None of the expressions is optional.
B. Only exp1 is optional.
C. Only exp1 and exp3 are optional.
D. All the expressions are optional.
Answer:D
What is optional?
A. None of the expressions is optional. B. Only exp1 is optional. C. Only exp1 and exp3 are optional. D. All the expressions are optional.
Explanation: All the expressions are optional. For (;;) is