This week's giveaway is in the EJB and other Java EE Technologies forum. We're giving away four copies of EJB 3 in Action and have Debu Panda, Reza Rahman, Ryan Cuprak, and Michael Remijan on-line! See this thread for details.
The "default constructor" is the one automatically inserted by the compiler if you don't provide one yourself. So it's the first example. The second is a parameterless (or no-arg) constructor, but because you've provided it it isn't considered a default one.