This is a beginners informal introduction to some of the common data structures. Think of it as the least you should know about data structures with a few comments about object oriented programming ...

Understand the concepts of stacks and queues. Explain stack and queue operations. Compare LIFO and FIFO structures. Apply stacks and queues in problem-solving. Evaluate their uses in computer science.

Imagine you have a bunch of papers. You push one paper onto the stack. Now you can only easily access the top paper. You push another paper onto the stack. The earlier paper is now covered and ...