Functional programming courses can help you learn concepts like first-class functions, immutability, and higher-order functions, along with practical techniques for managing state and side effects. You can build skills in recursive problem-solving, data transformation, and leveraging pure functions for cleaner code. Many courses introduce tools such as Haskell, Scala, and JavaScript, showcasing how these languages facilitate functional programming principles and enhance software development practices.

Skills you'll gain: Data Persistence, File I/O, C (Programming Language), Game Design, Programming Principles, Debugging, Data Modeling, Computational Thinking, Data Integrity, Program Development, Application Development, Data Maintenance, Computational Logic, Data Validation, Command-Line Interface, Application Design, Animation and Game Design, User Interface (UI), Algorithms, Data Structures
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Unix Shell, Unix Commands, Unix, Shell Script, Bash (Scripting Language), Command-Line Interface, Remote Access Systems, Scripting, Systems Administration, Operating System Administration, Linux Commands, File I/O, IT Automation, Linux, User Accounts, File Systems, System Monitoring, Operating Systems, File Management, Performance Tuning
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: C++ (Programming Language), Software Documentation, System Programming, Technical Documentation, Application Development, Maintainability, Data Structures, Generative AI, Application Performance Management, Algorithms, Scalability
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Program Development, Debugging, Python Programming, Computer Programming, Pseudocode, Game Design, Interactive Design, Design and Product, Creative Design, Computer Science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Integrated Development Environments, System Configuration
Beginner · Course · 3 - 6 Months

Skills you'll gain: File I/O, Unified Modeling Language, Visual Basic (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Data Modeling, Microsoft Development Tools, Computer Programming, .NET Framework, Software Engineering, Data Structures
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: SAS (Software), Scripting, Debugging, Computational Logic, Statistical Programming, Automation, Data Processing, Data Manipulation, Maintainability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization Software, Graphing, Data Presentation, Histogram, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Ruby (Programming Language), Program Development, File I/O, Development Environment, Maintainability, Data Structures, Computer Programming, Debugging, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Rust (Programming Language), Data Structures, Package and Software Management, Maintainability, Algorithms, Software Testing, Unit Testing, Software Design Patterns, Development Testing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Program Development, C and C++, C++ (Programming Language), Object Oriented Programming (OOP), Computer Programming, Development Environment, Software Development, Computer Science
Beginner · Guided Project · Less Than 2 Hours