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