|
Title: Java: Decimal Format to Easily Create Custom Output Post by: Khushi on January 03, 2007, 12:08:09 AM The Decimal Format class is a poorly explained class in the java Documentation so i will clear up a little of it with an example.
you first need to import the DecimalFormat class: Code: import java.text.DecimalFormat; then create a format object. this object can be used with doubles, as it uses a decimal. It uses a template String to teach Java how to ouput the objects. *This example will be used as a standard format of money: Code: DecimalFormat money = new DecimalFormat("$0.00");Now that you have a money object. (declared either globally or locally) you can now format your objects *Note this example uses only 2 decimal places and a $, but any symbols or length is available. As an example of prniting a double value: Code: double amount = 4.333333333; what will be printed is: $4.33 as described by the template, this handles your percision and dollar sign with a single template! |