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.

Columbia University
Skills you'll gain: Image Analysis, Computer Graphics, Virtual Reality, Computer Vision, Linear Algebra
Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Context Protocol, Responsible AI, LangGraph, AI Integrations, AI Workflows, AI Orchestration, Agentic Workflows, LangChain, Generative AI Agents, CrewAI, OpenAI API, Agentic systems, LLM Application, Tool Calling, Case Studies, OpenAI, Governance, Compliance Management, Model Deployment, AI Security
Intermediate · Specialization · 3 - 6 Months

The University of Sydney
Skills you'll gain: Creative Thinking, Creativity, Creative Problem-Solving, Innovation, Ideation, Cognitive flexibility, Design Thinking, Open Mindset, Strategic Thinking, Problem Solving
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Django (Web Framework), Postman API Platform, Restful API, Data Validation, Authentications, Authorization (Computing), Application Programming Interface (API), API Design, JSON, API Testing, Object-Relational Mapping, Python Programming
Advanced · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Statistical Process Controls, Process Control, Quality Assurance, Semiconductors, Process Validation, Production Process, Verification And Validation, Manufacturing Operations, Manufacturing Processes, Manufacturing and Production, Manufacturing Standards, Process Improvement, Process Analysis, Product Testing, Process Flow Diagrams, Electronics Engineering, Electronics, Reliability, Performance Testing
Beginner · Course · 1 - 3 Months

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
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Health Equity, Health Disparities, Social Determinants Of Health, Public Health, Health Policy, Community Health, Patient-centered Care, Health Promotion, Health Education, Epidemiology, Community Outreach, Health Systems, Research Design, Research, Cultural Responsiveness, Intercultural Competence, Driving engagement, Media and Communications, Cultural Sensitivity
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Design, Sustainable Technologies, Sustainable Engineering, Sustainable Business, Energy and Utilities, Sustainable Development, Sustainable Systems, Corporate Sustainability, Strategic Leadership, Product Engineering, Initiative and Leadership, Electrical Power, Environmental Engineering, Waste Minimization, Packaging and Labeling, Product Lifecycle Management, Environmental Issue, Climate Change Mitigation, Electric Power Systems, Emerging Technologies
Build toward a degree
Intermediate · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: OSI Models, Network Security, Network Protocols, Network Performance Management, Network Architecture, Network Monitoring, Role-Based Access Control (RBAC), Network Troubleshooting, Computer Networking, Network Administration, TCP/IP, Network Planning And Design, Cybersecurity, Routing Protocols, Firewall, Network Routing, Network Analysis, IT Infrastructure, Cloud Computing, Automation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Hardware Troubleshooting, Computer Hardware, Hardware Architecture, Microarchitecture, Computer Architecture, Desktop Support, Data Storage Technologies, System Configuration, Computer Systems, Data Storage, Information Technology, Memory Management
Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: Prompt Engineering, AI powered creativity, Generative AI Agents, Generative AI, Creative Design, ChatGPT, Conceptual Design, Image Quality, Content Creation, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Internet Of Things, Automation, IT Automation, Data Management, Systems Architecture, Hardware Architecture, Security Controls, Network Protocols, Information Management, Systems Integration, Interoperability, Information Systems Security, Emerging Technologies, Communication Systems, Systems Design
Beginner · Course · 1 - 4 Weeks