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  LiveWire / Technical Forums / Programming & Application Development / Viewing Topic

yet again my math skills gets in the way of my java work
Replies: 5 — Last Post Nov. 10 7:18am by King Kong
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( King Kong )


Ghostbuster
Patron 		Reply
got to generate a while loop for this, up to 10.

1, -2, 3, -4, 5,

i think it has something to do with

int1 = 1
int2= -2

while (int2 < 10)
{int1= int1 + 2
int2 = int2 + 2}

but not sure

or should it be

int1 = 1
int2= -2

while (int2 < 10)  
{int1= int1 + 2
int2 = int2 - 2}

Post edited at 6:47 am on Nov. 6, 2009 by King Kong

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Pandora didn't think outside the box

6:41 am on Nov. 6, 2009 | Joined: Feb. 2006 | Days Active: 1,091
Join to learn more about King Kong Wales | Straight Male | Posts: 26,362 | Points: 38,372
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allsmiles


Enlightened One
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I'd do something like (not sure if this is exactly how the syntax would work in java or if mod works either...)

Code:
while (int i = 1; i <= 10, i++){
if(i%2){
i++;
i *= -1;
}else{
i*= -1;
i++;
}
}


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When they leave me, they're all smiles.
When they leave you, they're in tears.

8:25 am on Nov. 9, 2009 | Joined: Aug. 2007 | Days Active: 572
Join to learn more about allsmiles England, United Kingdom | Male | Posts: 8,882 | Points: 15,931
( King Kong )


Ghostbuster
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it has to be a while loop.

I know how to do the loop, but my maths sucks

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Pandora didn't think outside the box

7:14 am on Nov. 10, 2009 | Joined: Feb. 2006 | Days Active: 1,091
Join to learn more about King Kong Wales | Straight Male | Posts: 26,362 | Points: 38,372
allsmiles


Enlightened One
Patron 		Reply
It is a while loop...

-------
When they leave me, they're all smiles.
When they leave you, they're in tears.
7:14 am on Nov. 10, 2009 | Joined: Aug. 2007 | Days Active: 572
Join to learn more about allsmiles England, United Kingdom | Male | Posts: 8,882 | Points: 15,931
sakurag


Soothsayer
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This could also be done with a boolean.  However, the solution also provided doesn't need extra variables.

-------
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As I go riding merrily along.
And they sing, "Oh, ain't you glad you're single?"
And that song ain't so very far from wrong.
7:16 am on Nov. 10, 2009 | Joined: Oct. 2002 | Days Active: 862
Join to learn more about sakurag Washington, United States | Straight Male | Posts: 2,815 | Points: 12,272
( King Kong )


Ghostbuster
Patron 		Reply
Quote: from allsmiles at 3:14 pm on Nov. 10, 2009
It is a while loop...

my brain must be asleep, sorry

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Pandora didn't think outside the box

7:18 am on Nov. 10, 2009 | Joined: Feb. 2006 | Days Active: 1,091
Join to learn more about King Kong Wales | Straight Male | Posts: 26,362 | Points: 38,372
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