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 and might be …

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 singleton.

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 made, but …

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.

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 factory classes, …

Jan 5, 2010 · Final note, the Double Checked Locking Pattern is broken in Java up to Java 5. The Java 5 memory model makes the DCL pattern thread safe but it makes it slower than the SingletonHolder …

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.

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; ...

May 24, 2021 · Another way to package singleton’s functionality is to use class operations (that is, static member functions in C++ or class methods in Smalltalk). But both of these language techniques …

Feb 5, 2017 · Singleton is a creational pattern and hence governs object instantiation. Creating singletons would mandate that you voluntarily or involuntarily give up control on creating the object …