How do u use........

How do you use % to determine if a number is even. I don't understand.

>How do you use % to determine if a number is even. I don't understand.

Code:

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if ( val % 2 == 0 )
  // Even

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Divide the value by two, if the remainder is 0 then the value was evenly divided by two and is thus an even number. The % operator saves you from performing several operations in that it simply returns the remainder.

-Prelude