But stack implemented using array stores only a fixed number of data values. We will explain the concept of stacks using an analogy. A stack data structure can be implemented using a one-dimensional array. Definition “Stack is a collection of similar data items in which both insertion and deletion operations are performed based on LIFO principle”. That the increment will be stored in the database. Stack is a data structure which follows LIFO i.e. It is just like a pile of plates kept on top of each other.Think about the things you can do with such a pile of plates 1. They differ in how we remove entities. WHAT Is  A stack is called a last-in-first-out (LIFO) collection. The stack is a linear data structure, and all the insertion and deletion of its values are done in the same end which is called the top of the stack. In these data structures, one element is connected to only one another element in a linear form. Data in a stack is stored in a serialized manner. It is a simple data structure that allows adding and removing elements in a particular order.  In linear data structure elements are accessed or placed in contiguous (together in sequence) memory location. Stacks and queues are linear data structures that follow a particular order to add or remove entities. We can put a new plate at the top of stack or we can remove a plate from top of stack. Peek() is one of a stack operation that returns the value of the top most element of the stack without deleting that element from the stack. Stack. These structures are also constrained by the effect of such operations: You can only add or remove items from the top of the stack, and you can only remove items from the front of the queue, or add items to the rear of the queue. As the item in this form of data structure can be removed or added from the top only which means the last item to be added to the stack is the first item to be removed. Applications of Stack is the main topic that we are … Stack is a linear data structure which follows a particular order in which the operations are performed. Working of Stack in C Stack is a data structure that allows insertion and deletion operation in a LIFO (last-in-first-out) manner. Mainly the following three basic operations are performed in the stack: Push: Adds an item in the stack. The last item to be inserted into a stack is the first one to be deleted from it. There are 3 basic operations on a stack: 1. LIFO stands for Last-In-First-Out, The Stack can be operational only from one end at a time. 2. Stack is a LIFO (Last In First Out) structure. acknowledge that you have read and understood our, GATE CS Original Papers and Official Keys, ISRO CS Original Papers and Official Keys, ISRO CS Syllabus for Scientist/Engineer Exam, Interview Preparation For Software Developers, Design and Implement Special Stack Data Structure | Added Space Optimized Version, Design a stack with operations on middle element. 4. So you can say that the stack follows the Last In First Out (LIFO) structure. Stacks are dynamic data structures that follow the Last In First Out (LIFO) principle. Like a stack of cards from which you pick up the one on the top ( which is the last one to be placed on top of the stack ). A stack is a linear list in which all additions and deletions are restricted to one end only. To solve this problem, we use a stack. A stack is a useful data structure in programming. It falls under the category of an abstract data type which serves as a concrete and valuable tool for problem-solving. Additionally, a peek operation may give access to the top … A stack is a basic data structure that can be logically thought of as a linear structure represented by a real physical stack or pile, a structure where insertion and deletion of items takes place at one end called top of the stack. But often, maybe because of the way it …