• Post Reply Bookmark Topic Watch Topic
  • New Topic
programming forums Java Mobile Certification Databases Caching Books Engineering Micro Controllers OS Languages Paradigms IDEs Build Tools Frameworks Application Servers Open Source This Site Careers Other Pie Elite all forums
this forum made possible by our volunteer staff, including ...
Marshals:
  • Campbell Ritchie
  • Paul Clapham
  • Tim Cooke
  • Jeanne Boyarsky
  • Liutauras Vilda
Sheriffs:
  • Frank Carver
  • Henry Wong
  • Ron McLeod
Saloon Keepers:
  • Tim Moores
  • Frits Walraven
  • Tim Holloway
  • Stephan van Hulst
  • Carey Brown
Bartenders:
  • Al Hobbs
  • Piet Souris
  • Himai Minh

what are the conditions to be followed in creating a singleton class or design?

 
Ranch Hand
Posts: 184
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
what are the conditions to be followed in creating a singleton class or design?
 
Ranch Hand
Posts: 2713
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Singleton is merely a Design Pattern. Implementations can vary greatly, especially among languages.
In Java, a Singleton is typically implemented with a public static method that maintains and returns a single instance of the class. The construction of the class outside this static method is forbidden by setting the acessibility level of the Constructor to private.
Example:

For further information on Singletons, swing by the OO, Patterns, UML and Refactoring Forum where this topic is of frequent discussion.
 
I like you because you always keep good, crunchy cereal in your pantry. This tiny ad agrees:
the value of filler advertising in 2021
https://coderanch.com/t/730886/filler-advertising
reply
    Bookmark Topic Watch Topic
  • New Topic