NumberFormat : Java Glossary

by Roedy Green ©1996-2008 Canadian Mind Products
Go to : punctuation 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z (all)

NumberFormat

java.text.NumberFormat converts Strings to and from doubles and longs. It can deal with commas and places past the decimal. It does not understand the concept of scaled integers, e.g. storing $149.00 as 14900. Parse has the rather odd habit of sometimes returning a Long (not long) and sometimes a Double. You have to be prepared for either, and convert the Long to Double or vice versa yourself. NumberFormat’s saving grace is that it adjusts to the current locale. Here is how it works:

Learning More

Sun’s Javadoc on the NumberFormat class : available:

on the web at java.Sun.com
in the JDK 1.6.0_06 or in the older JDK 1.5.0_15 or the even older JDK 1.4.2_17 on your local J: drive.

DecimalFormat

	Please email your feedback for publication, errors, omissions, broken/redirected link reports and suggestions to improve this page to Roedy Green :
	Canadian Mind Products
	mindprod.com IP:[65.110.21.43]
	Your face IP:[38.103.63.18]	The information on this page is for non-military use only.
	You are visitor number 19,377.	Military use includes use by defence contractors.
	You can get a fresh copy of this page from:	or possibly from your local J: drive (Java virtual drive/Mindprod website mirror)
	http://mindprod.com/jgloss/numberformat.html	J:\mindprod\jgloss\numberformat.html