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in todays video were going to be going over one of the most controversial yet easiest to understand design patterns the singleton design pattern were going to cover what it is when you should use it when you shouldnt use it and were going to go over some code that is not using the singleton design pattern and then were going to refactor to use the singleton design pattern like it should be before we start refactoring any code to use the singleton pattern lets first talk about what it is in essence the singleton pattern is just a way of creating a single object that is shared amongst a bunch of different resources throughout your application without having to recreate that object or losing the information inside of it all of the state for that object the variables methods all of those are shared among all these different other objects that are using it and theres just one source of information for this object and theres only ever a single type of this object created this is why
