Comparison among the three loop:
The comparison among the three types of loops for loop, while loop and do….while loop is given below.
Suggested Reading:
|
No.
|
Topics
|
For loop
|
While loop
|
Do…while loop
|
|
01
|
Initialization of condition variable
|
In the parenthesis of the loop.
|
Before the loop.
|
Before the loop or in the body of the loop.
|
|
02
|
Test condition
|
Before the body of the loop.
|
Before the body of the loop.
|
After the body of the loop.
|
|
03
|
Updating the condition variable
|
After the first execution.
|
After the first execution.
|
After the first execution.
|
|
04
|
Type
|
Entry controlled loop.
|
Entry controlled loop.
|
Exit controlled loop.
|
|
05
|
Loop variable
|
Counter.
|
Counter.
|
Sentinel & counter
|
Also the following comparison of their structures completes the comparison.
|
For loop
|
While loop
|
Do….while loop
|
|
for(n = 1; n <= 10; n++)
{
========
========
}
|
n = 1;
while(n <=10)
{
==========
==========
n=n+1;
}
|
n = 1;
do
{
========
========
n = n + 1;
}
while(n<=10);
|
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