MentionBot is a Twitter Application written in Java.
On Startup, MentionBot takes a Username of a Twitter user and starts a control loop, if the target user posts anything to Twitter while MentionBot is running, it will post a mention ( @targetUserScreenName ) with a message that the Target User will then get a notifcation for.
MentionBot terminates when the program is manually terminated or MentionBot has thrown 5 exceptions, 5 being an arbitrary number.