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Friday, 2 March 2018

Linear Data Structures: Stacks

 Stacks are another data structure with a perfectly descriptive name. Like a queue, a stack is a linear collection of nodes that adds (pushes) data to the head, or top, of the stack. However, unlike a queue, a stack removes data (pops) from the head of the stack. Think of it as a stack of books, where you can only pick up the top book, and add a new book to the top.

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