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 Leeds
Skills you'll gain: Engineering Management, Project Finance, Project Management, Stakeholder Management, Contract Management, Financial Analysis, Project Implementation, Project Design, Return On Investment, Cost Benefit Analysis, Finance, Governance, Risk Management, Procurement, Case Studies
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: TypeScript, Node.JS, Web Development Tools, React.js, Server Side, Javascript, Data Structures, Web Development, Data Validation, Web Design, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Android Studio, Android Development, Android (Operating System), Mobile Development, Application Development, User Interface (UI), User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Human Computer Interaction, Interaction Design, Usability, Development Environment, Development Testing, Debugging
Beginner · Course · 1 - 4 Weeks

Codio
Skills you'll gain: Algorithms, C++ (Programming Language), Data Structures, Computer Programming, Computational Thinking, Technical Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Flutter (Software), User Interface (UI) Design, User Interface (UI), JSON, Object Oriented Programming (OOP), Mobile Development, Data Structures, Data Modeling, Debugging
Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Equipment Design, Manufacturing Processes, Hydraulics, Manufacturing Operations, Chemical Engineering, Production Process, Process Engineering, Control Systems, Manufacturing Standards, Automation, Mechanical Engineering, Internet Of Things, Materials science, Quality Assurance, Safety Standards, Petroleum Industry, Engineering Practices, Technical Standard, Maintenance, Repair, and Facility Services, Thermal Management
Intermediate · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Digital Transformation, Agile Product Development, Market Trend, Operational Efficiency, Strategic Thinking, Customer Insights, Customer experience strategy (CX), Innovation, Market Opportunities, Business Strategy, Customer Engagement, Technology Strategies, New Product Development, Business Modeling, Business Technologies, Organizational Change, Business Strategies, Business Transformation, Competitive Analysis, Customer Analysis
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: File I/O, Unified Modeling Language, Visual Basic (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Data Modeling, Microsoft Development Tools, Computer Programming, .NET Framework, Software Engineering, Data Structures
Intermediate · Course · 1 - 4 Weeks

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

Politecnico di Milano
Skills you'll gain: Intellectual Property, Legal Risk, Responsible AI, Personally Identifiable Information, General Data Protection Regulation (GDPR), AI Security, Legal Technology, Law, Regulation, and Compliance, Regulation and Legal Compliance, Information Privacy, Artificial Intelligence, Data Ethics, Risking, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Continuous Integration, Restful API, Docker (Software), Model View Controller, Front-End Web Development, Databases, User Story, CI/CD, Java, Java Programming, Database Application, Application Programming Interface (API), HTML and CSS, Full-Stack Web Development, Spring Boot, Microservices, Back-End Web Development, Software Design Documents, Software Architecture
Advanced · Course · 1 - 3 Months

Duke University
Skills you'll gain: Web Scraping, MySQL, SQL, JSON, Scripting, Data Persistence, Data Manipulation, Data Structures, Database Management, Databases, Data Import/Export, Data Capture, Spatial Analysis, Python Programming, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks