Contents
Why do while loop is not working?
A while loop will only enter the loop if the condition is true initially. If that condition is false the first time through, it won’t be performed at all. A do/while loop is always performed at least once, since it does the check at the end.
What happens if there is no condition in while loop?
2 Both clause-1 and expression-3 can be omitted. An omitted expression-2 is replaced by a nonzero constant. Since there’s no such requirement for while loop (if the condition is omitted), I believe, it’s left to the implementation of compiler.
Does continue work in while loop?
Short answer yes, continue (and break) work properly in do while loops.
How long will a while loop run?
The while() loop repeats as long as the condition is true (non-zero). If the condition is false the body of the loop never executes at all.
How does continue work in a while loop?
continue passes control to the next iteration of a for or while loop. It skips any remaining statements in the body of the loop for the current iteration. The program continues execution from the next iteration. continue applies only to the body of the loop where it is called.
Why does Java do while loop not work?
When I run the program the users first choice works fine, but then the programs ends, so I’m guessing that the do-while loop doesn’t work. The point is that it should be impossible for the user to leave the loop, because the integer that is the condition in the while () is not possible to change.
Is it possible to leave the DO-WHILE LOOP?
The point is that it should be impossible for the user to leave the loop, because the integer that is the condition in the while () is not possible to change. The only way to leave the program should be to type the value 4. Can you see what the problem with the do-while loop is?
Which is better DO WHILE LOOP or while loop?
You can use a do-while loop or a while loop. Since you do not care if it has to execute at least once, I would say either is fine. However, if you use the while loop, it puts the condition first, which makes for easier reading.
When to enter the while loop in C + +?
In former case you are entering the while unconditionally and then prompting the message and reading new value (unconditionally). The correct way would be to enter the loop only when the input is out of range. while (hours < 0 || hours > 744) { cout << “Please enter a valid number of hours used.”