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.

Skills you'll gain: Object Oriented Programming (OOP), Java Programming, Java, Object Oriented Design, Data Structures, Computer Programming, Code Reusability
Intermediate · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Land Management, Environmental Science, Sustainable Systems, Sustainable Development, Natural Resource Management, Environmental Engineering and Restoration, Environmental Resource Management, Environment and Resource Management, Philanthropy, Social Studies, Climate Change Mitigation, Finance
Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Hardware Design, Security Engineering, Computer Hardware, Hardware Architecture, Hardening, Computer Security, Threat Modeling, Threat Detection, Cybersecurity, Intrusion Detection and Prevention, Security Architecture Review, Application Specific Integrated Circuits, Cryptographic Protocols, Microarchitecture, Cryptography, Systems Design, Encryption, Exploitation techniques, Functional Design, Emerging Technologies
Mixed · Course · 1 - 3 Months

Skills you'll gain: Microsoft Power Platform, Microsoft Power Automate/Flow, No-Code Development, Process Design, Business Process Automation, Application Development, Process Modeling, Application Design, Automation, Business Process, Data Integration, Data Modeling, Identity and Access Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: OSI Models, TCP/IP, Network Routing, Network Troubleshooting, Routing Protocols, Network Planning And Design, Network Protocols, Networking Hardware, General Networking, Network Routers, Computer Networking, Command-Line Interface, Virtual Networking, Network Administration, Configuration Management
Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Peer Review, Project Design, Business, Marketing Planning, Analysis, Strategic Marketing, Business Planning, Marketing Strategy and Techniques, Marketing, Business Analysis, Strategic Thinking, Constructive Feedback, Business Strategy, Accounting, Writing, Finance, Financial Accounting
Mixed · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Sanitation, Crisis Intervention, Public Health, Public Health and Disease Prevention, Water Resources, Social and Human Services, Chronic Diseases, Emergency Response, Nutritional Assessment, Environment Health And Safety, Nutrition and Diet, Community Health, Health Systems, Water Sustainability, Environmental Resource Management, Epidemiology, Health Care, Infectious Diseases, Mitigation, Patient Treatment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Containerization, Prompt Engineering, AI Orchestration, Scalability, Docker (Software), Application Deployment, Agentic Workflows, AI Workflows, Generative AI Agents, Retrieval-Augmented Generation, Prompt Patterns, Microsoft Azure, LangChain, Artificial Intelligence, Microservices, Natural Language Processing, Serverless Computing, Reinforcement Learning, Distributed Computing
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Social Media Campaigns, Digital Marketing Tools, Social Media, Social Media Marketing, Paid media, Digital Media Strategy, Digital Marketing Campaigns, Online Advertising, Campaign Management, Search Engine Marketing, Social Media Strategy, Digital Marketing, Pay Per Click Advertising, Campaign Planning, Marketing Strategy and Techniques, Owned Media, Earned Media, Marketing Design, Analytics
Mixed · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Value Propositions, Business Modeling, Strategic Thinking, Market Analysis, Market Research, People Development, User Research, Market Intelligence, User Feedback, Target Market, Target Audience
Beginner · Course · 1 - 3 Months

ISC2
Skills you'll gain: Network Security, Cybersecurity, Cyber Attacks, IT Security Architecture, Infrastructure Security, Threat Detection, Computer Networking, Data Centers, General Networking, Intrusion Detection and Prevention, Distributed Denial-Of-Service (DDoS) Attacks, Threat Management, Cloud Services, Data Security, Network Planning And Design, Firewall, Cloud Security, OSI Models, Network Protocols, Network Model
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Restful API, Object Oriented Programming (OOP), Object Oriented Design, Java Programming, Spring Framework, Java, Spring Boot, API Design, Application Programming Interface (API), Hibernate (Java), Data Validation, Development Testing, Verification And Validation, Authentications, Model View Controller, Back-End Web Development, Code Reusability, Object-Relational Mapping, Programming Principles, Maintainability
Intermediate · Specialization · 1 - 3 Months