Simple Data Structures

Introduction to Data Structure

Data structure is a collection of data elements grouped together under one name. It is a particular way of storing and organizing data in memory so that it can be used efficiently. Two types of data structures are linear data structures and non-linear data structures. In linear data structure, data ....Read More

Linked Lists

In Java, linked list is a linear collection of data elements, called nodes, which point to the next node by means of pointers. In a linked list, each node is divided into two parts. The first part, called the information part, contains the information about an element. The second part, called the li ....Read More


A queue is a linear collection of objects that are inserted and removed according to the First In, First Out principle. The two operations can be performed on queue: Enqueue and Deque. Enqueue adds an element to the rear of the queue, while deque removes and returns the front element of the queue ....Read More


A stack is a homogeneous collection of data items, arranged linearly with access from one end only, called the stack’s top. The stack works on Last In First Out concept, in which the last element placed in the stack is removed first. Common operations on a stack are push and pop. The two ways to ....Read More

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