Multiton design pattern

  The Multiton pattern is a design pattern similar to the singleton, which allows only one instance of a class to be created. The Multiton pattern expands on the singleton concept to manage a map of named instances as key-value pairs. Rather than having a single instance per virtual machine, the Multiton pattern instead ensures a single instance…

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Lazy initialization design pattern

Creational design pattern "... lazy initialization is the tactic of delaying the creation of an object, the calculation of a value, or some other expensive process until the first time it is needed." Lazy init can be triggered by calling the assessor method of an object started at a low priority background thread at application startup…