[SOLVED] Unexpected token:processing error in code drawn from an author's code

[GoToLoop]

Serial is 1 of the very few bundled libraries for the PDE’s Java Mode:

Processing.serial in BlueJ doesn't work

Since I don’t have BlueJ, I dunno. But you can take a look at PDE’s Serial library folder: "PDE Install Folder"/modes/java/libraries/serial/library/