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 Colorado System
Skills you'll gain: Windows Servers, Authorization (Computing), Microsoft Windows, Authentications, Operating System Administration, User Accounts, Group Policy, Microsoft Servers, Security Controls, Enterprise Security, Active Directory, Identity and Access Management, Servers, Computer Security, System Configuration, Encryption
Beginner · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Internet Of Things, Artificial Intelligence, Unsupervised Learning, Python Programming, Computer Vision, Peripheral Devices, Integrated Development Environments, Deep Learning, Applied Machine Learning, Machine Learning, Embedded Systems, Civil Engineering, Classification Algorithms, Convolutional Neural Networks, Computer Programming Tools, Development Environment, Wireless Networks, Automation, Digital Transformation, Real Time Data
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Microservices, Spring Boot, Software Architecture, API Gateway, Spring Framework, Service Oriented Architecture, Cloud Computing Architecture, Load Balancing, Systems Architecture, Web Services, Cloud Services, Software Design Patterns, Scalability, Restful API, Service Management
Intermediate · Course · 1 - 4 Weeks

University of Manchester
Skills you'll gain: Sustainable Business, Corporate Sustainability, Business Ethics, Environmental Social And Corporate Governance (ESG), Sustainable Development, Intercultural Competence, Ethical Standards And Conduct, Team Oriented, Decision Making, Cultural Diversity, Systems Thinking, Stakeholder Management
Mixed · Course · 1 - 3 Months

Multiple educators
Skills you'll gain: Sustainable Business, Sustainability Reporting, Sustainable Design, Corporate Sustainability, Sustainable Technologies, Environmental Social And Corporate Governance (ESG), Sustainable Engineering, Sustainable Development, Sustainable Systems, Sustainability Standards, Business Reporting, Annual Reports, Organizational Leadership, Business Leadership, Strategic Leadership, Product Engineering, Initiative and Leadership, Leadership, Environment, Environmental Management Systems
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Graph Theory, Combinatorics, Network Analysis, Data Structures, Visualization (Computer Graphics), Algorithms, Mathematical Theory & Analysis, Theoretical Computer Science, Program Development
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Core Data (Software), Model View Controller, Apple iOS, JSON, Swift Programming, Apple Xcode, Code Review, UI Components, iOS Development, Object Oriented Programming (OOP), Unit Testing, Data Structures, Data Persistence, User Interface (UI) Design, Programming Principles, Application Development, Transaction Processing, Database Application, Application Programming Interface (API), Mobile Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Agentic systems, Generative AI Agents, LLM Application, Application Design, Tool Calling, Large Language Modeling, Context Management, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Hardware Troubleshooting, Computer Hardware, 3D Modeling, Manufacturing Processes, Digital Design, Mechanical Design, Control Systems, Materials science, Electronic Components, Mechanical Engineering
Beginner · Course · 1 - 3 Months

Universidade de São Paulo
Skills you'll gain: Conflict Management, Stakeholder Management, Project Planning, Project Documentation, Project Management, Organizational Structure, Project Scoping, Leadership and Management, Influencing, Communication
Beginner · Course · 1 - 3 Months

Copenhagen Business School
Skills you'll gain: Social Impact, Growth Strategies, Team Oriented, Marketing Communications, Business Modeling, Business Planning, Sustainable Development, Organizational Structure, Entrepreneurship, Market Opportunities, Communication Strategies, Business Strategy, Strategic Partnership, Community Development, Sustainable Business, Performance Measurement, Fundraising, Entrepreneurial Finance, Needs Assessment, Team Building
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Development, Sustainable Engineering, Sustainable Technologies, Sustainable Business, Organizational Leadership, Corporate Sustainability, Business Leadership, Initiative and Leadership, Environment, Architectural Design, Climate Change Adaptation, Building Design, Climate Change Mitigation, Environmental Science, Energy and Utilities, Economics
Build toward a degree
Intermediate · Course · 1 - 3 Months