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.
j references a 3-dimensional array, with dimensions . j[x] references a 2-dimensional array, with dimensions . j[x][y] references a 1-dimensional array, with length 2. j[x][y][z] references a String.