Sep 16, 2008 · Narrowing the question will help others answer the question concisely. You may edit the question if you feel you can improve it yourself. If edited, the question will be reviewed …

The glorified global variable - becomes a gloried global class. Some say breaking object-oriented design. Give me scenarios, other than the good old logger where it makes sense to use the …

Jun 17, 2012 · The basic difference is that with the wrapper class version, the singleton instance is created when the wrapper class is loaded, which when the first call the getInstance() is …

Oct 10, 2014 · In this Java best practices book by Joshua Bloch, you can find explained why you should enforce the Singleton property with a private constructor or an Enum type.

Jan 5, 2010 · Basically, in Java you implement singleton by giving a class a private no-args constructor (private MyClass()), and statically (or lazily) initializing a single instance of the …

The singleton pattern is a fully paid up member of the GoF 's patterns book, but it lately seems rather orphaned by the developer world. I still use quite a lot of singletons, especially for …

Jul 7, 2017 · Just i was thinking about the other ways of writing singleton class. So is this class considered as a singleton class? public class MyClass{ static Myclass myclass; ...

Jul 7, 2010 · Singleton Pattern can be used for loading the configuration , say in a web application, we are supposed to generate a file which is to be stored somewhere in the server.

Jun 23, 2012 · What is an efficient way to implement a singleton pattern in Java? It depends on the way you have implemented the method.If you use double locking without volatile variable, …

Singleton is, of course, an "anti-pattern" (assuming a definition of a static with variable state). If you want a fixed set of immutable value objects, then enums are the way to go.