The Singleton design pattern addresses all of these concerns ... import org.apache.log4j.Logger; public class Singleton implements java.io.Serializable { public static Singleton INSTANCE ...

The Singleton Design pattern is a creational design pattern that states that one and only one instance of a class can exist throughout the lifetime of an application. In this article, I will ...

We discuss some of the most common design patterns in Java and how they can help ... the client program to the factory class. Developers can apply a Singleton Pattern on the factory class or ...