(sometimes derogatory) Conflict between sociopolitical classes.

(programming, object-oriented programming) The class serving as a template for a God object.

plural of God class

(number theory) A coset of an ideal of the ring of integers.

(software engineering) An invariant used to constrain objects of a class that is preserved by class methods and that constrains the state stored in the object.

plural of class invariant

plural of factory class

(software, object-oriented programming) A class that creates an object having a non-trivial creation process, implementing the factory method pattern.

plural of abstract class

(object-oriented programming) A class that cannot be instantiated and may have abstract method.