47. The NumberFormat class, cont.

• Objects of the NumberFormat class are used for formatting real numbers (with decimal points)

• The NumberFormat class has three static methods that can be used for formatting

  • real numbers,

  • currency, and

  • percent.

• The format method returns a String for user-friendly display.

• Objects of the NumberFormat class use a rounding technique called "half even" which can be used in most applications.

• It is always best to format output of real numbers (BigDecimal, float or double) prior to displaying the numbers on the screen.