public class CalculateStuff
{
    public static void main(String[] args)
    {
        int x = 12;
        
        MathUtilities mu = new MathUtilities();
        
        MathUtilities.printNumber();

        System.out.println(mu.square(x));
        
        MathUtilities.printNumber();

        MathUtilities.pow(2, 3);        
//        System.out.println(MathUtilities.pow(2, 3));
        
//        MathUtilities.printNumber();
    }
}