Singleton is used in application when we want to store consistent unique data in an object disallowing creating a new instances of this object in the same time.
Here are the bullet points that defines Singleton.
Here are the bullet points that defines Singleton.
- cannot be instantiated (private constructor instead of public)
- cannot be inherited (sealed class)
- public static instance has to be available across the whole application
Singleton concept is quite popular in mobile apps and video games, less in web/desktop applications.
Here is a simple example of Singleton usage.
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