Why use singleton instead of static class?

Posted by Jouke van der Maas on Stack Overflow See other posts from Stack Overflow or by Jouke van der Maas
Published on 2010-06-03T20:40:53Z Indexed on 2010/06/03 20:54 UTC
Read the original article Hit count: 259

Filed under:

design-patterns

|

class

|

static

|

singleton

When would a singleton actually be easier or better than a static class? It seems to me creating a singleton is just extra effort that's not actually needed, but I'm sure there is a good reason. Otherwise, they wouldn't be used, obviously.

© Stack Overflow or respective owner

Related posts about design-patterns

Should universities put more emphasis on teaching their students about design patterns?

as seen on Programmers - Search for 'Programmers'
While I've heard about design patterns being mentioned in a few courses at uni, I know of only a single course which actually teaches design patterns. In almost all other areas (algorithms, parallelism, architecture, dynamic languages, paradigms, etc), there are several, often a basic course and an… >>> More
Podcasts on GoF design patterns

as seen on Stack Overflow - Search for 'Stack Overflow'
Anyone know of a good podcast on design patterns? >>> More
How often are design patterns used in the workplace using PHP

as seen on Stack Overflow - Search for 'Stack Overflow'
Hey everyone, I read a book awhile back called PHP Design Patterns and Practice, and ever since then I have been using design patterns whenever I think they are needed. However it just occurred to me that maybe most companies do not use design patterns very often for PHP, or at all. What I was wondering… >>> More
Who benefits from the use of Design Patterns?

as seen on DotNetBlocks - Search for 'DotNetBlocks'
Who benefits from the use of design patterns is like asking who benefits from clean air or a good education. All of the stakeholders of a project benefit from the use of design patterns. Project Sponsor Project sponsors benefit from the use of design patterns because they promote reduced development… >>> More
Architect: "Collaborating on Design Patterns"

as seen on Oracle Technology Network - Search for 'Oracle Technology Network'
It takes an architect community to raise a collection of SOA design patterns. >>> More

Related posts about class

DIV is picking max-width value as width value for DIV.

as seen on Stack Overflow - Search for 'Stack Overflow'
I am facing a problem after applying max-width hack for IE7. In mozilla, width of the div is flexible and adjustable as per the image width in the div. But in IE7 it is taking the max-width as width of DIV. Below is my HTML code: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"… >>> More
Getting Information About Class Programatically (methods in class/properties of class)

as seen on C# Corner - Search for 'C# Corner'
This article will teach you how to get information about some class like how many methods are there in class, how many properties are there etc.. >>> More
Nested class - calling the nested class from the parent class

as seen on Stack Overflow - Search for 'Stack Overflow'
I have a class whereby a method calls a nested class. I want to access the parent class properties from within the nested class. public class ParentClass { private x; private y; private z; something.something = new ChildClass public class ChildClass { need to get x, y and z; } } How do I… >>> More
Compare base class part of sub class instance to another base class instance

as seen on Stack Overflow - Search for 'Stack Overflow'
I have number of DTO classes in a system. They are organized in an inheritance hierarchy. class Person { public int Id { get; set; } public string FirstName { get; set; } public string ListName { get; set; } } class PersonDetailed : Person { public string WorkPhone { get; set; } … >>> More
making class accessible from class path in dynamic class loading

as seen on Stack Overflow - Search for 'Stack Overflow'
I have a project created in Eclipse, and I defined an interface and a class for dynamic class loading, the class is in the project directory, so I have this code in my project: if (handlerClassName != null) { TypeHandler typeHandler = null; try { typeHandler =… >>> More