Several design patterns are defined to make systems more flexible and extensible. The main goal of this work is to show how the representation of these kind of patterns, which we refer to as ...

Example 1 shows a classic Singleton design pattern implementation: Example 1. The classic singleton public class ClassicSingleton { private static ClassicSingleton instance = null; protected ...

The Singleton design patter, for example, has several pitfalls that could discourage its use. Typically, you would use the Singleton design pattern for implementing PrintSpoolers, Logging ...