Scientific and engineering notation like 2.998E10, 6.022E23, 931.494013E6, 1.67262158E-27
Only supported in Java 1.3 and later; and then only by affixing E0
to the DecimalFormatSymbols
pattern
In Java 1.2 and earlier, you can roll your own by
subclassing NumberFormat
IBM alphaWorks NumberFormat
class at
http://www.alphaworks.ibm.com/tech/numberformat