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hello and welcome to cs 264 software design this is lecture eight this is lesson four in the last lesson we looked at stacks we looked at the generic and non-generic stack class in c sharp and this time iamp;#39;m going to go to a more extended detail example weamp;#39;re going to implement an undo redo system using stacks now you donamp;#39;t have to use stacks for this and iamp;#39;ve seen people use lists and so forth as well but um i just wanted to use a stack just to you know show how you can use a data structure you know in a really detailed way and and how it becomes something thatamp;#39;s at the core of the algorithm or the application that youamp;#39;re using if you know if you know your stacks or you know your lists then you can do some really really interesting things so the first point i guess so um really what i also want to do is i want to talk about undo and redo systems because i really want to start thinking about design patterns of this module weamp;#39;ve we
