Java時間工具包 JTimepiece
JTimepiece 是一個用來處理Java的日期和時間的高級類庫，提供許多很簡單的方法，適合包括初學者和高手。
主要特性:
Easy-to-use API. Developers will save time and improve program quality.
Reduces number of objects created when working with multiple date/times.
Methods for computing difference between two date/times.
Support for time zones, leap year and daylight savings.
Methods for converting between string and date/times.
Methods for adding and subtracting to and from date/times.
Methods for easily retrieving individual parts of date/times.
Makes Java code more readable.
No dependencies to other non-standard Java libraries.
JUnit tests.
Compatible with J2SE 1.2 and above.
Apache 2.0 open source software license.