
Loop Control Statements 191
EXERCISES
A] Answer the following questions.
1) What happens if you create a loop that never ends?
2) Is it possible to create a fo r loop that is never executed?
3) What is a loop? Why it is necessary in the program?
4) Is it possible tones t while loop within fo r loops?
5) How do you choose between while and fo r loop?
6) What is the difference between (10) and (! 1). Howwhileloop works with these values?
7) What is the difference between (1= =! l)and(l! =1)?
8) What is the difference between (I 0) and (! 0) ?
9) What are the values of NULL and! NULL?
10) Is it possible to use multiple w hile state ...