Several design patterns ... depends on the pattern instantiation: new methods and attributes may be defined to extend the class functionality. Incomplete Constraint Generalization and Realization ...

Design patterns are solutions to recurring problems and complexities in software design. The Builder design pattern falls under the creational pattern category and can be used to build a complex ...

We discuss some of the most common design patterns ... program to the factory class. Developers can apply a Singleton Pattern on the factory class or make the factory method static.