Text formatting and scanning - Java printf package

Henrik Bengtsson's Java printf package implements common C-style printf formatting and scanf text parsing (includes methods sprintf, fprintf, scanf, sscanf and fprintf).

• True C-style printf() with variable number of parameters.
• High quality thanks to thousands of users.
• Can save you hours or even days.
• Compatible with Java 1.0.2, Java 1.1 and Java 2.
• Free for non-commercial use.

You can take a look at Guido Krüger´s printf class as well.