Data Structures Tutorial

Learn Arrays, Lists, Stacks, Queues & Trees with interactive examples. English & Hindi included.

1. Arrays

An array is a collection of items stored at contiguous memory locations. Learn more here.

Array Diagram
Array Memory Layout

2. Lists

Lists (or linked lists) are collections of elements called nodes, where each node points to the next. Learn more here.

Linked List Diagram
Singly Linked List

3. Stacks

A Stack is a linear data structure which follows Last-In-First-Out (LIFO). Add elements using push and remove using pop. Learn more here.

Stack Diagram
Stack Operations

4. Queues

A Queue is a linear data structure following First-In-First-Out (FIFO). Elements added at rear and removed from front. Learn more here.

Queue Diagram
Queue Operations

5. Trees

A Tree is a hierarchical data structure with nodes and parent-child relationships. Binary trees are common. Learn more here.

Tree Diagram
Binary Tree Structure

Share this Tutorial

Loved this tutorial? Share it with your friends!