John Zukowski is a consulting computer programmer, trainer, and speaker. John has been working with Java since the late alpha stages of the language. He has been a Java instructor since those early days, teaching a variety of Java classes of different lengths and styles. John founded the Mid-Atlantic Java User Group (MAJUG) and coordinated it until he moved out of the area. Pre-Java, John was a C/C++/X-Windows/Database/Network programmer for Rapid Systems Solutions, a Maryland-based consulting firm. He has a computer science master’s degree from The Johns Hopkins University, with undergraduate degrees in math and computer science from Northeastern University.