public class DollarFormatFirstTry
{
    /**
     Displays amount in dollars and cents notation. 
     Rounds after two decimal places. 
     Does not advance to the next line after output.
    */
    public static void write(double amount)
    {
        int allCents = (int)(Math.round(amount * 100)); 
        int dollars = allCents / 100;
        int cents = allCents % 100;
        System.out.print('$');
        System.out.print(dollars);
        System.out.print('.');
        if (cents < 10)
        {
            System.out.print('0');
            System.out.print(cents);
        }
        else
            System.out.print(cents);
    }
    /**
     Displays amount in dollars and cents notation. 
     Rounds after two decimal places. 
     Advances to the next line after output.
    */
    public static void writeln(double amount)
    {
        write(amount);
        System.out.println( );
    }
}