The word stack can be easily imagined as a pile of objects, one above the another. The Stack data structure is a linear data structure based on the FILO (First in Last out) or LIFO (Last in First out) principle. We will learn about the stack class in Java, how to create a stack, different methods of a stack in Java, and how to iterate over a stack in Java. In this article, we will write a Stack program in Java.
