The Singleton pattern is deceptively simple, even and especially for Java developers. In this classic JavaWorld article, David Geary demonstrates how Java developers implement singletons, with ...

The java double-check singleton pattern is not thread safe and can’t be fixed. In this article, Dr. Alexey Yakubovich provides an implementation of the Singleton pattern that he claims is thread ...

The Singleton Design pattern is a creational design pattern that states that one and only one instance of a class ... The following code listing shows a modified version of the StateManager class ...