IsEven

Returns true if the given number is even, false otherwise.

• Check whether a number is odd or even using the modulo (%) operator.
• Return true if the number is even, false if the number is odd.

public static partial class _30s 
{
  public static bool IsEven(int n) 
  {
    return n % 2 == 0;
  }
}

_30s.IsEven(2); // true
_30s.IsEven(3); // false