import java.text.DecimalFormat;
import java.text.NumberFormat;

public class NumberFormat2
{
	public static void main(String[] args)
	{
		// In 'DecimalFormat' patterns, before the decimal point, the "#"
		//  character will display any number, but leading zeros will not be
		//  displayed; the "0" character will display the remaining digits,
		//  and they will each display as zero if no digit is available;
		//  after the decimal point, the "#" character will not display
		//  trailing zeros, and will round, if necessary; the "0" character
		//  will display a zero for each digit that is not available, and
		//  will round, if necessary; when used before the decimal point, "#"
		//  represents any number of digits, while "0" represents a single
		//  digit; however, a longer number will not be cut short, even if
		//  too few zeros exist before the decimal point
		NumberFormat currency = new DecimalFormat("$#,##0.00");

		System.out.println(currency.format(387));
		System.out.println(currency.format(12.5));
		System.out.println(currency.format(0.91));
		System.out.println(currency.format(604.50));
		System.out.println(currency.format(5432.1));
		System.out.println(currency.format(2345678.567));
	}
}