while loop in C
While loop is also known as a pre-tested loop. In general, a while loop allows a part of the code to be executed multiple times depending upon a given boolean condition. It can be viewed as a repeating if statement. The while loop is mostly used in the case where the number of iterations is not known in advance.
Syntax of while loop in C language
The syntax of while loop in c language is given below:
Flowchart of while loop in C
Example of the while loop in C language
Let's see the simple program of while loop that prints table of 1.
1 2 3 4 5 6 7 8 9 10
Program to print table for the given number using while loop in C
Enter a number: 50 50 100 150 200 250 300 350 400 450 500
Enter a number: 100 100 200 300 400 500 600 700 800 900 1000
Properties of while loop
3 5 7 9 11
compile time error: while loop can't be empty
Infinitive while loop in C
If the expression passed in while loop results in any non-zero value then the loop will run the infinite number of times.