Data Structures and Algorithms courses can help you learn about arrays, linked lists, trees, and graph structures, along with sorting and searching algorithms. You can build skills in problem-solving, optimizing code efficiency, and analyzing algorithm complexity. Many courses introduce tools like Python, Java, or C++ for implementing these concepts, as well as platforms for coding challenges that reinforce your understanding through practical application.

University of Illinois Urbana-Champaign
Skills you'll gain: Graph Theory, Data Structures, Unstructured Data, Algorithms
★ 4.7 (557) · Mixed · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Algorithms, Debugging, Development Testing, Software Testing, Computational Thinking, Computer Programming, Theoretical Computer Science, Bioinformatics
★ 4.6 (13K) · Intermediate · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Cryptography, Algorithms, Encryption, Theoretical Computer Science, Combinatorics, Arithmetic, Applied Mathematics, Logical Reasoning
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Data Structures, Spring Boot, Restful API, Model View Controller, Spring Framework, Web Services, Java Programming, Java, Back-End Web Development, Authentications, Authorization (Computing), Algorithms, Application Security
★ 4.3 (163) · Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Quantum computing, Public Key Cryptography Standards (PKCS), Cryptography, Data Structures, Cryptographic Protocols, Algorithms, Encryption, Theoretical Computer Science, Computer Science, Mathematical Software, Advanced Mathematics
★ 4.6 (63) · Advanced · Course · 1 - 4 Weeks

Clemson University
Skills you'll gain: Data Structures, Algorithms, Computational Thinking, Theoretical Computer Science, Computer Programming, Computer Science, Probability, Program Development, Probability Distribution, Design Strategies, Analysis
★ 4.2 (36) · Intermediate · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Data Structures, Data Storage, Algorithms, Database Systems, Theoretical Computer Science
★ 4.8 (923) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Algorithms, Applied Mathematics, Data Structures, Theoretical Computer Science, Numerical Analysis, Computational Thinking, Mathematical Theory & Analysis, Performance Tuning, Logical Reasoning
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Java, Data Structures, File I/O, Java Programming, Data Access, Data Cleansing
★ 4.6 (20) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Structures, Algorithms, Programming Principles, Computational Thinking
Intermediate · Course · 1 - 3 Months

Stanford University
Skills you'll gain: Data Structures, Graph Theory, Algorithms, Social Network Analysis, Network Analysis, Theoretical Computer Science, Probability & Statistics
★ 4.8 (2K) · Intermediate · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: File I/O, Data Structures, Theoretical Computer Science, Algorithms, Memory Management, Graph Theory, Data Access, Performance Tuning
★ 4.6 (60) · Advanced · Course · 1 - 3 Months