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HomeHomework Helpcomputer-scienceData Structures Overview

Data Structures Overview

Data structures are specialized formats for organizing, processing, and storing data, allowing efficient access and modification. Traversal methods are techniques used to access each element in a data structure systematically.

beginner
3 hours
Computer Science
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Overview

Data structures are essential components in computer science that help organize and manage data efficiently. Understanding different types of data structures, such as arrays, linked lists, trees, and graphs, is crucial for effective programming and algorithm design. Each structure has its own streng...

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Key Terms

Array
A collection of items stored at contiguous memory locations.

Example: int[] numbers = {1, 2, 3};

Linked List
A linear data structure where elements are stored in nodes, each pointing to the next.

Example: Node1 -> Node2 -> Node3

Node
A basic unit of a data structure, containing data and a reference to the next node.

Example: In a linked list, each node contains data and a pointer to the next node.

Tree
A hierarchical data structure with a root value and subtrees of children.

Example: A family tree showing relationships.

Graph
A collection of nodes connected by edges, representing relationships.

Example: Social networks can be represented as graphs.

Traversal
The process of visiting all the nodes in a data structure.

Example: In-order traversal of a binary tree.

Related Topics

Algorithms
Study of step-by-step procedures for calculations and data processing.
intermediate
Big O Notation
A mathematical notation to describe the performance or complexity of an algorithm.
intermediate
Sorting Algorithms
Techniques to arrange data in a specific order, such as quicksort and mergesort.
intermediate

Key Concepts

ArraysLinked ListsTreesGraphs