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.

University of London
Skills you'll gain: Pseudocode, C++ (Programming Language), Object Oriented Programming (OOP), C and C++, File I/O, Object Oriented Design, Integrated Development Environments, Computer Programming, Development Environment, Programming Principles, Debugging, Data Structures, Program Development, Algorithms, Interactive Design, Model Evaluation, Software Engineering, Test Data, Data Validation, Unit Testing
Build toward a degree
Intermediate · Specialization · 1 - 3 Months

Logical Operations
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Python Programming, Computer Programming, Code Review, Programming Principles, Maintainability, Scripting, Scripting Languages, Software Development
Mixed · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Software Design Patterns, Requirements Analysis, White-Box Testing, Software Architecture, Acceptance Testing, Software Development Methodologies, Unified Modeling Language, Software Development Life Cycle, Configuration Management, Debugging, Software Design, Process Driven Development, Software Engineering, Software Testing, Object Oriented Design, Functional Requirement, Data Modeling, Systems Design, Project Management, Project Planning
Intermediate · Specialization · 3 - 6 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

Skills you'll gain: Software Architecture, Maintainability, C# (Programming Language), Scripting, Animations, Artificial Intelligence
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Generative AI
Beginner · Course · 1 - 3 Months

Skills you'll gain: Software Design Patterns, Code Review, System Design and Implementation, C and C++
Intermediate · Course · 3 - 6 Months

Skills you'll gain: File I/O, Software Design Patterns, Software Documentation, Testability, Development Testing, Package and Software Management
Advanced · Course · 3 - 6 Months

University of California San Diego
Skills you'll gain: Unit Testing, Growth Mindedness, Data Structures, Graph Theory, Event-Driven Programming, Social Network Analysis, Interactive Data Visualization, Java, Java Programming, Network Analysis, Object Oriented Programming (OOP), Technical Communication, User Interface (UI), JUnit, Object Oriented Design, Computer Programming, Adaptability, Performance Tuning, Algorithms, Problem Solving
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Restful API, Spring Framework, Microservices, Cloud Deployment, API Design, Spring Boot, OAuth, System Design and Implementation, Java, Systems Design, Service Oriented Architecture, Software Design, Performance Tuning, Authentications, Web Design and Development, Sprint Planning, NoSQL, SQL, Databases, Product Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Software Design Patterns, Game Design, Maintainability, Software Design, Software Architecture, Video Game Development, Programming Principles, Animation and Game Design, Event-Driven Programming, Scalability, Game Theory, Artificial Intelligence, Animations
Intermediate · Course · 3 - 6 Months

SkillUp
Skills you'll gain: Systems Design, Business Process Modeling, Data Flow Diagrams (DFDs), Systems Analysis, Data Modeling, Digital Transformation, Business Process, Risk Management, Workflow Management, Systems Architecture, Business Analysis, Solution Design, Enterprise Resource Planning, Information Technology, Process Flow Diagrams, Prototyping, Computer Science, Agile Methodology, Product Lifecycle Management, Business Communication
Intermediate · Course · 1 - 4 Weeks