stack

Introduction This article is part of the data structure category A stack is an abstract data structure defined by its behavior rather than its implementation details. It’s also dynamic, meaning it can adjust its size once created. A stack implements a method of handling elements named LIFO, last-in first-out, where the last inserted element in the stack is going to be the first one to be picked up; this design makes the usage of this data structure excellent for use cases, for example, as “undo/redo” (AKA ctrl+z/ctrl+y)....