Singleton Pattern Only One Instance is Created in Multi Threading

while using the singleton pattern, only one instance is created in multi threading?

Using threadsafe singleton class will guarantee that only one instance is created.

public sealed class Singleton { private static Singleton singleton = null; private static readonly object singletonLock = new object();

private Singleton() {} public static Singleton GetInstance() { lock (singletonLock) […]

Learn Design Patter

Those who wants to know Design Patterns. Refer this book

Head First Design Pattern