Object Oriented Design courses can help you learn principles like encapsulation, inheritance, and polymorphism, along with design patterns such as Singleton and Factory. You can build skills in creating reusable code, improving software maintainability, and designing systems that are easier to understand and extend. Many courses introduce tools like UML for modeling, as well as programming languages such as Java and Python, which are commonly used to implement object-oriented concepts in real-world applications.

Duke University
Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Software Engineering, Programming Principles, Computer Programming, Software Design, Predictive Modeling, Algorithms, Data Structures, Performance Testing, File I/O, Debugging, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Database Design, Database Development, Relational Databases, Database Theory, Database Architecture and Administration, Data Integrity, Database Management, Databases, Data Modeling, Cloud Computing Architecture, Data Management, Conceptual Design, Requirements Analysis
Mixed · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Object Oriented Design, Software Architecture, Software Design, Software Design Patterns, Software Development Life Cycle, Software Development, Software Engineering, Maintainability, Systems Architecture, Service Oriented Architecture, Technical Design, Web Services, Model View Controller, Event-Driven Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Computer Programming, Virtual Machines, Package and Software Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Software, Embedded Systems, C++ (Programming Language), Object Oriented Design, Object Oriented Programming (OOP), Development Testing, System Programming, C (Programming Language), Development Environment, Verification And Validation, Integrated Development Environments, Software Design Patterns, Peripheral Devices, Debugging
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Software Design Patterns, Unified Modeling Language, Java Programming, Software Architecture, Application Design, User Interface and User Experience (UI/UX) Design, Software Engineering, API Design, Software Development
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unified Modeling Language, Software Design Patterns, C++ (Programming Language), Software Architecture, Object Oriented Design, Software Design, Object Oriented Programming (OOP), Maintainability, Programming Principles
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Software Design Patterns, Object Oriented Programming (OOP), Object Oriented Design, Computational Thinking, Programming Principles, Algorithms, Software Architecture, Computer Programming, Python Programming, Model View Controller, Data Structures
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Computer Programming, Program Development, Python Programming, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Version Control, Debugging, Software Design Patterns, Object Oriented Design, Object Oriented Programming (OOP), Software Development, Git (Version Control System), Programming Principles, Software Design, Computer Programming, Software Engineering, Integrated Development Environments, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: File I/O, C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Video Game Development, Unreal Engine, Event-Driven Programming, Unity Engine, C# (Programming Language), User Interface (UI), Data Structures
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Java, Object Oriented Design, File I/O, Program Development, Encryption
Intermediate · Course · 1 - 4 Weeks