NumberFormat : Java Glossary

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 NumberFormat class : available:

on the web at java.sun.com
in the current JDK 1.6.0_18 or in the old JDK 1.5.0_22 on your local Windows J: drive.

DecimalFormat

	You can get the freshest copy of this page from:	or possibly from your local J: drive (Java virtual drive/mindprod.com website mirror)
	http://mindprod.com/jgloss/numberformat.html	J:\mindprod\jgloss\numberformat.html
	Please email your feedback for publication, errors, omissions, typos, formatting errors, ambiguities, unclear wording, broken/redirected link reports, suggestions to improve this page or comments to Roedy Green :
	Canadian Mind Products
	mindprod.com IP:[65.110.21.43]
view Blog	Your face IP:[38.107.191.113]
Feedback	You are visitor number 25,627.