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.

Coursera
Skills you'll gain: No-Code Development, User Centered Design, Mobile Development, Web Applications, User Interface (UI) Design, Experience Design, UI/UX Research, User Feedback, Functional Testing, Integration Testing, Root Cause Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Process Mapping, Process Analysis, Business Analysis, Data Presentation, Business Process Improvement, Interactive Data Visualization, Feasibility Studies, Data Visualization, Systems Analysis, Stakeholder Analysis, Process Optimization, Requirements Management, Systems Design, Communication Planning, Test Planning, Information Technology, Business Process Modeling, Database Management, Agile Methodology
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Data Validation, .NET Framework, System Requirements, Database Design, C# (Programming Language), ASP.NET, User Interface (UI) Design, Databases, Application Development, Healthcare Project Management, Application Design, Object Oriented Programming (OOP), Business Logic, Microsoft Visual Studio, Debugging
Intermediate · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Data Structures, Algorithms, Java, Performance Testing, Computer Programming, Java Programming, Theoretical Computer Science, Object Oriented Programming (OOP)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: ASP.NET, Middleware, .NET Framework, Restful API, Application Programming Interface (API), C# (Programming Language), API Design, Databases, Performance Tuning, Data Persistence, Web Development, Microservices, Scalability, Development Environment, Web Applications, Unit Testing, Data Validation, Web Analytics, Application Security
Intermediate · Course · 3 - 6 Months

Packt
Skills you'll gain: Test Driven Development (TDD), C and C++, C++ (Programming Language), Debugging, C (Programming Language), Object Oriented Programming (OOP), System Programming, Functional Design, Secure Coding, Software Architecture, Performance Tuning, Network Troubleshooting
Beginner · Course · 1 - 3 Months

Skills you'll gain: Multimodal Prompts, Prompt Engineering, Responsible AI, Context Management
Beginner · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Web Content Accessibility Guidelines, Disabilities, Mobile Development, Usability, User Interface (UI), Human Computer Interaction, Adobe Acrobat, Web Design, Diversity and Inclusion, Document Management, Hypertext Markup Language (HTML), Web Design and Development, Diversity Equity and Inclusion Initiatives, Microsoft Office, Android (Operating System), Technology Solutions, Android Development, iOS Development
Beginner · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Model Evaluation, Classification Algorithms, Regression Analysis, Applied Machine Learning, Feature Engineering, Machine Learning, Image Analysis, Unsupervised Learning, Predictive Modeling, Supervised Learning, Bayesian Statistics, Logistic Regression, Statistical Modeling, Artificial Intelligence, Data Preprocessing, Deep Learning, Data Mining, Decision Tree Learning, Computer Vision, Statistical Machine Learning
Intermediate · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Adobe Photoshop, Video Editing, Adobe Creative Cloud, Adobe Illustrator, Photo Editing, Graphic and Visual Design, Post-Production, Graphic and Visual Design Software, Graphic Design, Animations, Image Quality, Computer Graphic Techniques, Photography, Business Process Automation, User Interface (UI), Automation, Productivity Software
Mixed · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: File I/O, Debugging, File Management, File Systems, Python Programming, Operating Systems, Programming Principles, Computer Programming, Object Oriented Programming (OOP), Software Development, Cross Platform Development
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Storytelling, Case Studies, Canva (Software), Digital Design, Visual Design, Content Creation, Portfolio Management, Target Audience, Design Strategies, Layout Design, Goal Setting, User Experience Design, Graphic and Visual Design
Beginner · Course · 1 - 4 Weeks