Why does this simple code does not work?

Question

1.00/5 (1 vote)

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These two simple code:

//This work
for (int x = 1; x < 10; x++)
{
MessageBox.Show(x.ToString());
}

//This does not work
for ( int x=9; x ==0; x--)
{
MessageBox.Show(x.ToString());
}

What I have tried:

I can not see the problem. I know it is a stupid question

Posted 18-May-21 9:13am

Luis M. Rojas

Updated 18-May-21 9:27am

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2 solutions

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Gerry Schmitz · Answer 1 · 2021-05-18T09:25:00

Solution 1

You're saying "while x == 0" (which it isn't). You meant "while x != 0".

Posted 18-May-21 9:25am

Gerry Schmitz

OriginalGriff · Answer 2 · 2021-05-18T09:27:00

Solution 2

Because a for loop only executes the loop body while the condition is true: since x starts at 9, the first time the loop condition is checked it fails because it isn't zero, so the loop terminates without the loop body ever being executed.

Posted 18-May-21 9:27am

OriginalGriff

v2