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.

Skills you'll gain: Java Programming, Java, Integrated Development Environments, Mobile Development, Computer Programming, Programming Principles, Data Structures
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Core Data (Software), iOS Development, Model View Controller, Apple iOS, JSON, Swift Programming, Apple Xcode, Code Review, UI Components, Object Oriented Design, Object Oriented Programming (OOP), Unit Testing, Data Structures, Data Persistence, User Interface (UI), User Interface (UI) Design, Data Store, Application Development, Transaction Processing, Mobile Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Code Reusability, Kotlin, Object Oriented Programming (OOP), Programming Principles, Object Oriented Design, Android Development, Data Structures, Computer Programming, Mobile Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computational Logic, Theoretical Computer Science, Verification And Validation, Algorithms, Data Structures
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: COBOL (Programming Language), Continuous Integration, Development Testing, Test Automation, Unit Testing, Development Environment, Middleware, Program Development, z/OS, Mainframe Computing, Debugging, Integrated Development Environments, Mainframe Technologies, Data Structures, Computer Programming, Programming Principles, Application Programming Interface (API), File I/O, Performance Tuning, Automation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Threat Management, Microsoft Azure, Cloud Security, Threat Detection, Key Management, Cloud Management, Security Controls, Data Security, Security Information and Event Management (SIEM), Data Structures, Continuous Monitoring, Event Monitoring, Query Languages
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Swift Programming, Apple iOS, iOS Development, Unit Testing, Apple Xcode, Test Case, Software Testing, Object Oriented Programming (OOP), Data Structures, Object Oriented Design, Programming Principles, Application Development, Functional Design, Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, C and C++, File I/O, Computer Programming, Microsoft Visual Studio, Computer Programming Tools, Integrated Development Environments, System Programming, Programming Principles, Apple Xcode, Development Environment, Algorithms, File Systems, Software Design Patterns, Data Structures, Performance Tuning, Debugging, File Management
Intermediate · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: JSON, Event-Driven Programming, Javascript, Mobile Development, Data Structures, Application Development, Video Game Development, Web Applications, Programming Principles, Data Storage Technologies, Scripting Languages, Data Persistence, Computer Programming, Data Storage, Computational Logic, Front-End Web Development, Web Development
Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Object Oriented Programming (OOP), C++ (Programming Language), Object Oriented Design, Memory Management, Computer Programming, Code Reusability, Programming Principles, Algorithms, Data Structures, Data Manipulation
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Robotics, Machine Controls, Control Systems, Engineering, Scientific, and Technical Instruments, Automation, Graph Theory, Planning, Algorithms, Computer Programming, Computer Science, Simulation and Simulation Software, Engineering, Simulations, Data Structures, Python Programming, Virtual Environment, Linear Algebra, Applied Mathematics, Design
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cryptography, Object Oriented Design, Object Oriented Programming (OOP), File I/O, Encryption, Cryptographic Protocols, Data Structures, Program Development, Software Development, Data Visualization, Model Evaluation, Automation, Model Training, Machine Learning Algorithms, Database Application, Python Programming, Algorithms, Software Installation, Code Reusability, Functional Design
Beginner · Specialization · 3 - 6 Months