Abstract elementary classes (AECs) constitute a broad framework within model theory that extends classical first‐order logic, accommodating structures and theories that lie beyond its reach.

Most introductory Java texts take an implementation-centric stab at how to use interfaces and abstract classes. However, few provide a clear design distinction for choosing between these two ...

The difference between abstract classes and interfaces has long vexed Java developers. Find out how Java 8's default methods introduce both new complexity and new options to that familiar ...

What does abstract class actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

This paper is devoted to the proof of the following upward categoricity theorem: Let K be a tame abstract elementary class with amalgamation, arbitrarily large models, and countable Löwenheim-Skolem ...

Hi,I have a base class whose destructor is pure virtual, so the class is abstract.I have a derived class (subtype) whose multi-argument constructor wants to call the base class's zero argument ...