Twitter4J - a Java library for the Twitter API - is really nice: http://twitter4j.org
The author, Yusuke Yamamoto @yusukeyamamoto is very active, quick to fix bugs, and stays current with rapidly evolving Twitter API. Highly recommended. To unsubscribe from this group, send email to twitter-development-talk+unsubscribegooglegroups.com or reply to this email with the words "REMOVE ME" as the subject.