Number Object and Numeric String Conversion

<< JDK (Java Development Kit) Tutorials

This chapter provides tutorial notes and example codes on numeric string format. Topics include using java.util.NumberFormat.format() method to format numeric values into text strings; using java.util.DecimalFormat.parse() method to parse date strings into objects.

java.util.NumberFormat - Formatting Numeric Values to Strings

java.util.DecimalFormat.parse() - Parsing Strings to Number Objects

Conclusion:

• java.util.NumberFormat is abstract class, but it supports some predefined numeric string generation formats.
• java.util.DecimalFormat is a concrete subclass for formatting numeric values into strings and parsing numeric strings into number objects.

Sample programs listed in this chapter have been tested with JDK 1.3.1, 1.4.1 and 1.5.0.