下列选项中, 不是Java有效注释的是()
A: //Using comments is a good habit.
B: /Using comments is a good habit.
C: /**Using comments is a good habit.*/
D: /*Using comments is a good habit.*/
A: //Using comments is a good habit.
B: /Using comments is a good habit.
C: /**Using comments is a good habit.*/
D: /*Using comments is a good habit.*/
举一反三
- Smoking _____not a good habit. A: is B: are
- Eating<br/>vegetables and fruit ________ a good habit. A: are B: is C: will
- It is not a good habit computer games.
- Don’t stay up too late is a good living habit.
- Washing the food down with water as a substitute______chewing is not a good habit. A: of B: for C: to D: from