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.

Packt
Skills you'll gain: Software Design Patterns, Test Automation, CI/CD, Infrastructure as Code (IaC), Continuous Deployment, Software Development, Continuous Delivery, Application Deployment, Release Management, Continuous Integration, Software Architecture, Application Lifecycle Management, Infrastructure Architecture, AI Workflows, IT Infrastructure, Cloud Deployment, DevOps, Scalability, Git (Version Control System)
Advanced · Course · 3 - 6 Months

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Data Persistence, Programming Principles, Code Reusability, Python Programming, File Management, Computer Science
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Unit Testing, Java, Java Programming, Test Script Development, Test Automation, Software Development, Development Testing, Program Development, Application Design, Software Testing, Application Development, Programming Principles, Data Validation, User Interface (UI), Maintainability, Software Design, Debugging, Data Integrity
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Object Oriented Design, Java, Java Programming, Software Architecture, Object Oriented Programming (OOP), Data Structures, Software Design, Computer Programming, Programming Principles, Code Reusability, Application Development, UI Components, User Interface (UI), Data Management
Mixed · Course · 1 - 3 Months

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, Game Design, Event-Driven Programming, Unity Engine, C# (Programming Language), UI Components, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Software Design, Systems Development Life Cycle, Software Development Life Cycle, Application Security, Technical Design, Security Engineering, Software Development Methodologies, Conceptual Design, Waterfall Methodology, Requirements Analysis, Agile Methodology
Mixed · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Object Oriented Design, Software Design, Computer Programming, Software Testing, Application Development
Intermediate · Guided Project · Less Than 2 Hours

University of London
Skills you'll gain: Pseudocode, File I/O, C++ (Programming Language), Integrated Development Environments, Object Oriented Programming (OOP), Development Environment, Algorithms, Programming Principles, Software Installation
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Object Oriented Design, Software Architecture, Java, Java Programming, Software Design, User Interface (UI), Object Oriented Programming (OOP), Data-Driven Decision-Making, Business Modeling, Test Data, User Interface (UI) Design, System Design and Implementation, Application Design, Human Computer Interaction, Application Development, Software Engineering, Computer Programming, Programming Principles, Software Development Tools, Artificial Intelligence
Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Software Design, Functional Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), C++ (Programming Language), C and C++, Object Oriented Design, Enterprise Modeling, Application Design, Solution Design, Software Visualization, Program Development, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Unified Modeling Language, Unit Testing, Software Design, Data Flow Diagrams (DFDs), Software Engineering Tools, Software Development Tools, JUnit, Development Testing, Data Ethics, Test Automation, Software Development Methodologies, Dataflow
Intermediate · Course · 1 - 3 Months