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Thanks helloworld922 and Json.

The reason why I am trying to write an Editor class with ListIterator is because I am trying to implement a text editor program. I have figured it out for the most...

I need to write a method to undo the preceding step. For example: I'll add "Hello" to the LinkedList and then decide to undo it. My idea is to clone the LinkedList and then if the user calls undo,...