Define private constructors to make a singleton : private « Class « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. Class
3. private

public class MyClass
{
    static MyClass cache = null;
    static object cacheLock = new object();
    private MyClass()
    {
        // useful stuff here
    }
    
    public static MyClass GetMyClass()
    {
        lock(cacheLock)
        {
            if (cache == null)
            cache = new MyClass();
            
            return(cache);
        }
    }
}