This Quick Reference Guide was originally created by Andrew Greenberg, and was extensively revised by Andrew Black in May 2001 in preparation for a Tutorial at ECOOP.
The quick reference is now in two parts.
The Language Reference (older versions: htmlpdf), including use of the mouse and menus, and language syntax.
The Classes Reference (older versions: htmlpdf), including a summary of the basic numeric, string, collection and stream classes, and some more advanced material, e.g., on exceptions.
If you find errors in this material, or have suggestions for improvement, please send email to Andrew Black.