Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.

The Java Tutorial goes on to list bullets for when an abstract class should be considered and for when an interface should be considered. Unsurprisingly, these are derived from the previously ...

This article explores the I/O classes, interfaces, and operations provided by the Java platform. Written by Jeff Hanson, Contributor July 4, 2002 at 8:15 p.m. PT ...