ASL STEM

Definition

A Java class that cannot be instantiated, but instead serves as a superclass to hold common code and declare abstract behavior.

Source: Reges & Stepp, 2007

Example

Example sentence for context: "Abstract classes are allowed to implement interfaces if so desired." A visual example of abstract classes (abstract Instrument in the image) is shown below: <a href="http://s254.photobucket.com/albums/hh107/aslstem/?action=view&current=abstractclass.png" target="_blank"><img src="http://i254.photobucket.com/albums/hh107/aslstem/abstractclass.png" border="0" alt="Photobucket"></a>