Singleton Design pattern is one of the Code (Design Pattern), have the ability to work on one side, the behavior is to create a single Object instance (new single), could also be used with the object throughout the Project.
singleton is pattern is one of a Design Code (Design Pattern) to be capable of running on either side behavior is to create an instance Object single (new one) and then use the object that was all. Project
Pattern singleton is one of Design Code (Design Pattern) have the ability to work one side characteristic function. Will create a instance Object one (new once) and can be used with object that, throughout the Project.