[Java] CH4 floating-point round off error example

/*
    Give an example of a floating-point roundoff error.
    Would the same expample work corrextly if you used int and awitched to a fuggiciebtly small unit, such as cents insted of dollars, so that the value don't have a fractional part? 
 
*/ 
 
public class floatingPoint
{
 
    public double number1;
    public double number2;
 
    public floatingPoint()
    {
        number1 = 23.30;
        number2 = 13.21;
 
    } 
    public static void main(String [] args)
    {
        floatingPoint sample = new floatingPoint();
        double amount = ((sample.number1 + (sample.number2*0.30))/45);
        System.out.println("************************************************");
        System.out.println();
        System.out.println("This is natural amount : ");
        System.out.print("Java automatically rounded up                 : ");
        System.out.println(amount); 
        System.out.print("Caliculator automarically rounded up          : ");
        System.out.println("0.6058444444444444444444444.......");
        System.out.println();
        System.out.print("This amount is rounded up (Math.round method) : ");
        System.out.println(Math.round(amount));
        System.out.println();
        System.out.println("This caliculation made a floating-point roundoff error");
        System.out.println("Because, as I show, this number should continue to infinity digits of decimal places however, Java compiler automatically rounded up by 16th place.");
        System.out.println("***********************************************");
    }
}