Craig Castelaz

Craig Castelaz is a full-time husband and father who programs, teaches, and writes in his second full-time job. His career began when CP/M was the dominant microcomputer operating system, and Microsoft sold Z-80 cards for the Apple II to help make ends meet. He has held positions ranging from director of development to independent contract programmer. His programming experience spans the fields of education, health care, human resources, transportation, and component management. Craig has a Masters in Information Systems from the Weatherhead School of Management at Case Western Reserve University and is adjunct faculty at Cuyahoga Community College.

Articles

Good Fences Make Good Functions

In some ways, Groovy programming can be as much like Java programming as you want it to be. You can use it as syntactic sugar to simplify some of your least-favorite Java tasks or you can embrace it and explore language constructs unlike anything the typical Java programmer encounters. In this...

Configuration Blues

Configuring an application should be painless for a user. It requires careful design on the developers part. This article looks at three techniques: properties, preferences, and JMX.

Living with Leaks

Selecting the correct level of abstraction that hides the complexity of the implementation (but provides adequate control of the relevant details) can be a daunting task. Everyone has different ideas regarding "adequate control" and "relevant details." This article looks at five levels of...