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Singleton- Design patterns - Software  Design patterns - Design patterns in C#.NET - easy simple example what is  Singleton  design pattern In software engineering, the singleton pattern is a software design pattern that restricts the instantiation of a class to one "single" instance. This is useful when exactly one object is needed to coordinate actions across the system. The term comes from the mathematical concept of a singleton. using System; namespace SingleTonnDesignPatternExample {     class Logger     {         private static Logger logger;         private Logger()         {         }         public static Logger GetInstance()         {             if (logger == null)             {                 logger = new Logger();             }             return logger;         }     }     class Program     {         static void Main(string[] args)         {             Logger logg = Logger.GetInstance();         }     } }

Design patterns - Software  Design patterns - Design patterns in C#.NET - easy simple example Singleton pattern