What are the real world applications of the singleton pattern?

Question

Duplicate

On design patterns: When should I use the singleton?

class Singleton
{
    private static Singleton instance;

    private Singleton() {}

             


        

Answer 1

Assuming your question is in the title:

I once worked with a COM object that could only have one instance per server. We exposed it to the entire ASP.NET application through a singleton.