Do-While Loop in C

do-while loop in C

do-while loop is place where the condition is to be tested.It will executes atleast one time even if the condition is false initially.In do-while,the condition is checked at the end of the loop.It executes until the condition becomes false.

Syntax:

do

{

//body of the loop.

}while(test-condition);

Lets take a simple program

A program to compute the factorial using do-while loop

A program to evaluate the series using do-while loop.

Difference between while and do-while loop

While Loop	Do-While Loop
Condition is specified at the top	Condition is specified at the bottom
Body Statements are executed when the condition is satisfied	Body Statements are executed when the condition is satisfied
No brackets for a single statement	Brackets are essential
It is an entry-controlled loop	It is an exit-controlled loop