Examples from Chapter 16 of Java I/O: Formatted I/O

• Example 16-1: FormatTest, Multiples of π
• Example 16-2: UglyTable
• Example 16-3: PrettyTable
• Example 16-4: MinimumWage
• Example 16-5: PercentTable
• Example 16-6: PrettierTable
• Example 16-7: PrettiestTable
• Example 16-8: RootFinder
• Example 16-9: ExponentialFormat

Also there's ExponentialRootFinder which tests the parse() method of the ExponentialFormat class.