Try the following pice of code:

public class Tester {

public static boolean isOdd(int number){
if (number % 2 == 0)
return false;
return true;
}

public static void main(String[] args) {
for (int i = 0; i < 100;i++)
{
if (isOdd(i))
System.out.println (i + ": Odd");
else
System.out.println (i + ": Even");
}
}
}