I thank all of you for your insight. Each one of you brought something useful to the table.
One reason I was interested in learning how to create a linked list data type is because of an app I am programming. I am mainly trying to improve the speed of one operation: removing or adding a record into the middle of a list. When done generically, the operation gets expensive as the number of records or nodes increase. Instead of shifting all the list elements up or down, I would prefer to just delete a node an update a pointer. I am probably making it more difficult than it has to be. Once I am able to understand the quickest way to do this I plan on creating another 'good ole ADT classic', the binary search tree.
I'll post something this weekend for you hardcore coders with nothing better to do so you can see the project I am working on. It is called FACT. It simply translates mono-alphabetic substitution ciphers using an algorithmic/AI approach hybrid. I am attempting to solve cryotoquips quicker than the app located here: http://www.blisstonia.com/software/Decrypto/ . I believe by incorporating his pattern idea along with a group of AI rules, the results could be returned quicker.
Thanks again for all of your insight,
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