Example of Singleton pattern

Question

Can anybody tell me a good example of Singleton pattern? Also I've one doubt to ask, Is the following scenario is that of singleton pattern:

When we have many printers connected in LAN but only one printer queue?

Answer 1

Singleton is a software pattern.

Here is an example in C#.

Having a single queue on a LAN is more of a hardware/network design issue rather than a software concept, so not really applicable. If you were modeling such a thing in software and had to be certain there is only one queue, then it would be applicable.