Repetition of statements called itration and looping.
we are using three loops.
1-Do while Loop
2-While Loop
3-For Loop
if you want to Print Hello World 5 times.
you are using cout 5 times.
Cout<<"Hello World;
Cout<<"Hello World;
Cout<<"Hello World;
Cout<<"Hello World;
Cout<<"Hello World;
but in the loop
for ( i=1; i<=5 ; i++ )
{
cout<<"HelloWorld";
}
and now your Program run 5 times and your Message HelloWolrd are Printing.
Jawad
PK
--- On Tue, 4/21/09, Thomas Hruska <[email protected]> wrote:
From: Thomas Hruska <[email protected]>
Subject: Re: [c-prog] Re: explain me
To: [email protected]
Date: Tuesday, April 21, 2009, 1:58 PM
John Matthews wrote:
> --- In c-p...@yahoogroups. com, osho ratha <rathao...@. ..> wrote:
>> can you explain me what is the purpose of loop
>>
>> and what is loop in detail with example
>
> C or C++? Trying googling for 'c++ control structures' - any use?
The purpose of a loop. Hmm. A good philosophical question.
Loops are a form of code maintenance. That is, they reduce the amount
of logic that has to be maintained.
Some loops are cleanly designed and some aren't. The ones that aren't
require additional logic to set up for the conditional stage (i.e. when
to break out of the loop).
--
Thomas Hruska
CubicleSoft President
Ph: 517-803-4197
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