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This page was last modified 21:13, 13 December 2007.

How to implement a singleton class in Symbian OS

From Forum Nokia Wiki


The Singleton is a useful Design Pattern for allowing only one instance of your class.The Singleton's purpose is to control object creation, limiting the number to one but allowing the flexibility to create more objects if the situation changes.

Since there is only one Singleton instance, any instance fields of a Singleton will occur only once per class, just like static fields.


Implementation of a singleton class in Symbian OS

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