Though type is an extremely important object-oriented concept, it is often overlooked in favor of implementation-centric concerns. Java program development is as much about design as about ...

Readers have returned quite a bit of feedback concerning, “Abstract Classes Vs. Interfaces” from April 2001. A recurring request asks to see a complete example of using interfaces and abstract classes ...

The Open Geospatial Consortium (OGC), an organization that develops and promotes standards for geospatial content and services, this week approved the 3.0 version of its GeoAPI Interface Standard. The ...