Can anyone can tell me some applications of while loop ,do...while loop and where to use it? Please

Answer 1

When to use:

for: I know how many times I will need to loop

while: I'm not sure how many times I will need to loop

do while: I want this code to always run atleast once + the while reason

Answer 2

Do {} While (password.incorrect()) ;
While (file.nextLine()! =null){};

Answer 3

Thanx a lot Restoring faith ...u really restored my confusion ...;)