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 California, Davis
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Cascading Style Sheets (CSS), GitHub, Front-End Web Development, Application Deployment, Web Development, User Interface (UI) Design
Intermediate · Course · 1 - 4 Weeks

University of Arizona
Skills you'll gain: Integrated Marketing Communications, Media and Communications, Marketing Communications, Brand Strategy, Brand Marketing, Branding, Marketing, Brand Management, Marketing Strategies, Strategic Marketing, Marketing Effectiveness, Strategic Communication, Social Media Strategy, Content Marketing, Social Media Marketing, Direct Marketing, Product Marketing, Marketing Strategy and Techniques, Communication, Digital Marketing
Beginner · Specialization · 3 - 6 Months

Dartmouth College
Skills you'll gain: Social Justice, Energy and Utilities, Social Impact, Sustainable Development, Social Sciences, Environmental Issue, Socioeconomics, Community Organizing, Community Development, Diversity Equity and Inclusion Initiatives, Diversity Awareness, Systems Thinking, Advocacy, Environmental Policy, Policy Analysis, Climate Change Mitigation
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: AI Workflows, Agentic Workflows, AI Orchestration, AI Security, AI Integrations, API Testing, System Testing, Test Script Development, Context Engineering, Context Management, Health Informatics, Health Technology, Performance Testing, Healthcare Ethics, Functional Testing, Business Logic, Patient Education And Counseling, Patient Communication
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Web Scraping, JSON, Extensible Markup Language (XML), Network Protocols, Extensible Languages and XML, Web Services, Data Access, Application Programming Interface (API), Restful API, Data Processing, Python Programming, Development Environment, Software Installation
Mixed · Course · 1 - 3 Months

Skills you'll gain: Storytelling, Presentations, Microsoft PowerPoint, Oral Expression, Business Communication, Public Speaking, Verbal Communication Skills, Sales Presentations, Persuasive Communication, Drive Engagement, Target Audience
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Open Shortest Path First (OSPF), Network Performance Management, Network Monitoring, Network Planning And Design, Network Engineering, Network Protocols, System Configuration, Infrastructure as Code (IaC), Remote Access Systems, Terraform, Configuration Management, Authentications, Scalability
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: UI Components, User Interface (UI), User Interface (UI) Design, Interactive Design, Unreal Engine, Interaction Design, AI Workflows, Game Design, Artificial Intelligence, Scripting, Video Game Development, Data Structures, Debugging, Data Management
Mixed · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Agentic systems, Generative AI Agents, AI literacy, AI Workflows, Artificial Intelligence and Machine Learning (AI/ML), AI powered creativity, Emerging Technologies, Business Ethics, Social Impact, Problem Solving, Analysis, Business Planning
Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Cybersecurity, Cyber Attacks, Network Security, Information Systems Security, Business Continuity Planning, Cryptography, Security Architecture Review, Disaster Recovery, Business Continuity, Cyber Security Policies, Cryptographic Protocols, IT Security Architecture, Telecommunications, Network Administration, Law, Regulation, and Compliance, NIST 800-53, Infrastructure Security, Security Controls, Data Security, Governance Risk Management and Compliance
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unreal Engine, Virtual Environment, 3D Assets, Game Design, Post-Production, Image Quality, Model Optimization, Data Import/Export
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: NSX-T Network Virtualization, vSphere Networking and Storage, Virtual Networking, VMware ESX Servers, Software-Defined Data Center (SDDC), VMware vSAN, vSphere DRS & HA, Software-Defined Networking, Hybrid Cloud Computing, Zero Trust Network Access, Virtualization, Storage vMotion, Data Centers, vCenter Server Management, vCenter Server, Role-Based Access Control (RBAC), Virtual Local Area Network (VLAN), Virtualization and Virtual Machines, Virtual Machines, Cloud Management
Intermediate · Specialization · 3 - 6 Months