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.

Alfaisal University | KLD
Skills you'll gain: Design Thinking, Innovation, Human Centered Design, Solution Design, Organizational Development, Business Strategies, Complex Problem Solving, Problem Management
★ 4.8 (170) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Logo Design, Canva (Software), Marketing Design, Promotional Materials, Design, Dashboard, Design Elements And Principles, Marketing Materials, Marketing Collateral, Color Theory, Graphic and Visual Design Software, Graphic Design, Branding, Content Creation, Marketing, Advertising, Business
★ 4.7 (37) · Intermediate · Guided Project · Less Than 2 Hours

University of London
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Web Design and Development, Responsive Web Design, Web Design, Bootstrap (Front-End Framework), Web Development, Front-End Web Development, Cascading Style Sheets (CSS), Javascript, Programming Principles, Development Environment
★ 4.7 (57) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Cloud Deployment, CI/CD, Full-Stack Web Development, MongoDB, Application Design, Continuous Integration, Application Deployment, Cloud Applications, React.js, DevOps, NoSQL, Databases, Database Management, Kubernetes, JavaScript Frameworks, Front-End Web Development, Software Architecture, Application Development, Authorization (Computing), Javascript
★ 4.7 (44) · Advanced · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Prompt Engineering, Prompt Patterns, Generative AI Agents, Tool Calling, Agentic Workflows, Agentic systems, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Human Computer Interaction, OpenAI, Artificial Intelligence
★ 4.6 (92) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: HVAC, Building Services Engineering, Thermal Management, Mechanical Engineering, Engineering, System Requirements, Engineering Calculations, Energy and Utilities, Engineering Analysis, Estimation, Environmental Issue
★ 4.3 (60) · Intermediate · Course · 1 - 4 Weeks

Xi'an Jiaotong University
Skills you'll gain: ASP.NET, .NET Framework, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Web Development, Database Application, Application Frameworks, Object Oriented Programming (OOP), Web Applications, Object Oriented Design, Database Development, Javascript, Back-End Web Development, HTML and CSS, Web Design, Scripting Languages, Data Access, Web Servers, Scripting, Event-Driven Programming
★ 4.7 (6) · Mixed · Course · 1 - 4 Weeks
Khalifa University
Skills you'll gain: Environmental Management Systems, Environment Health And Safety, Environmental Monitoring, Environmental Regulations, Environmental Laws, Hazardous Waste Operations And Emergency Response Standard (HAZWOPER), Health And Safety Standards, Emergency Response, Regulatory Compliance, Risk Analysis, Sustainability Standards, Risk Management, Incident Management, Waste Minimization
★ 4.8 (93) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Web Design and Development, Cascading Style Sheets (CSS), UI Components, Front-End Web Development, User Interface (UI) Design, User Interface (UI), Browser Compatibility, Frontend Integration, Javascript, Interactive Design, Hypertext Markup Language (HTML), Cross Platform Development
★ 4.5 (28) · Intermediate · Guided Project · Less Than 2 Hours

University of Maryland, College Park
Skills you'll gain: Android (Operating System), Android Development, Mobile Development, Data Management, User Interface (UI), Human Computer Interaction, Event-Driven Programming, Network Model, Geographic Information Systems, Interactive Design, Geospatial Information and Technology, Data Storage, Animations, Computer Programming, Computer Graphics
★ 4.7 (172) · Mixed · Course · 1 - 3 Months

Queen Mary University of London
Skills you'll gain: Proposal Development, Market Research, Data Collection, Research Design, Proposal Writing, Research Reports, Research Methodologies, Business Research, Marketing Management, Marketing, Surveys, Report Writing, Research, Qualitative Research, Data Analysis, Focus Group, Business Ethics
★ 4.5 (87) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Adobe XD, Prototyping, User Experience Design, Usability Testing, UI/UX Research, Figma (Design Software), User Experience, Experience Design, Presentations, Responsive Web Design, Information Architecture, User Story, Usability, Storyboarding, User Research, Design Research, Design, Visual Design, Persona (User Experience), User Interface and User Experience (UI/UX) Design
★ 4.8 (153) · Beginner · Professional Certificate · 3 - 6 Months