Answered: While loop

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

The While loop is a --------------- type of Loop

Expert Solution

Step 1

While loop:

The while loop will repeat a set of statements based on the defined condition.
The loop will iterate until the defined condition returns the boolean value false.
Inside the while loop, the number of iterations are not predefined.
While defining the while loop programmer needs to be very careful. If the condition is defined wrongly then the loop control will execute the infinite number of times.
An example of the while loop is mentioned below.

#include <stdio.h>
// main function
int main ()
{
// variable declararion
int num = 1;
// while loop "The loop will iterate untill the value of num reaches 10"
while (num <= 10)
{
// print value
printf("%d\n", num);
// increment operator to move the value by 1
num++;
}
return 0;
}