Java tutorial
/*Output: * User's number (US): 1,976.083 * */ import java.text.NumberFormat; import java.util.Locale; public class MainClass { public static void main(String args[]) throws Exception { NumberFormat numberFormat = NumberFormat.getInstance(); numberFormat.setParseIntegerOnly(false); double usersNumber = 1976.0826; numberFormat = NumberFormat.getNumberInstance(Locale.US); System.out.println("User's number (US): " + numberFormat.format(usersNumber)); } }