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.

Johns Hopkins University
Skills you'll gain: Architectural Design, Sustainable Development, Building Codes, Community Development, Land Development, Public Works, Sustainable Architecture, Land Management, Building Design, Sustainable Design, Sustainable Technologies, Economic Development, Construction, Environmental Issue, Climate Change Mitigation, Environmental Policy, Policy Development, Health Equity, Policy Analysis, Case Studies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Information Systems, Management Information Systems, Business Systems, Information Technology, Information Systems Security, Business Technologies, Information Management, Decision Support Systems, Open Source Technology, Business Systems Analysis, Technology Strategies, Systems Analysis, Emerging Technologies, Software Systems, Computing Platforms, Mobile Security, Web Applications, Operational Efficiency, Computer Hardware, Strategic Decision-Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Music, Media Production, Post-Production, Collaborative Software, Digital Signal Processing, Computer Hardware, Editing
Beginner · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: Embedded Software, Embedded Systems, C (Programming Language), System Programming, Microarchitecture, Hardware Architecture, Software Design, C and C++, Computer Architecture, Maintainability, Event-Driven Programming, Debugging, Computer Hardware, Memory Management, Code Reusability, Secure Coding, Programming Principles, Data Structures, Peripheral Devices, Data Storage
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Django (Web Framework), Performance Tuning, Postman API Platform, Restful API, Application Programming Interface (API), Data Validation, Authentications, Frontend Integration, React.js, API Testing, Authorization (Computing), Secure Coding, Object-Relational Mapping, API Design, Scalability, JavaScript Frameworks, JSON, Test Tools, Web Development, Python Programming
Advanced · Specialization · 3 - 6 Months
Madecraft
Skills you'll gain: Data Storytelling, Dashboard, Dashboard Creation, Business Analytics, Analytics, Social Network Analysis, Fraud detection, Data Analysis, Data Presentation, Business Intelligence, Marketing Analytics, Pandas (Python Package), Analytical Skills, Network Analysis, Interactive Data Visualization, Power BI, Plot (Graphics), Exploratory Data Analysis, Data Visualization, Python Programming
Beginner · Specialization · 3 - 6 Months

Yale University
Skills you'll gain: Diagnostic Radiology, Medical Imaging, Radiology, Radiography, X-Ray Computed Tomography, Diagnostic Medical Sonography, Medical Ultrasonography, Magnetic Resonance Imaging, Diagnostic Tests, Image Analysis, Anatomy
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, Business Writing, AI literacy, Business Correspondence, Business Communication, Google Gemini, ChatGPT, Responsible AI, Report Writing, LLM Application, Generative AI, Writing, Business Reporting, Ideation, AI Workflows, Content Creation, Verification And Validation, Brainstorming, Quality Assurance
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Power Platform, Microsoft Power Automate/Flow, Power BI, Dashboard, Power Platform Architecture & Technical Design, No-Code Development, Data Visualization, Data Integration, Business Intelligence, Process Design, Product Automation, Microsoft Development Tools, Business Intelligence Software, Business Process Automation, Productivity Software, Application Development, Process Modeling, Performance Analysis, Application Design, Automation
Beginner · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Workforce Planning, Human Resources Management and Planning, Workforce Development, Human Resource Strategy, Human Resources, Microsoft Copilot, Strategic Planning, People Analytics, Human Capital, Workforce Management, Stakeholder Communications, Plan Execution, Microsoft 365, Presentations, Return On Investment, Change Management, Strategic Decision-Making, Leadership Development, Corporate Strategy, Business
Advanced · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: .NET Framework, ASP.NET, Microservices, DevOps, C (Programming Language)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Anthropic Claude, Claude Code, Prompt Patterns, Context Engineering, AI literacy, Google Workspace, AI Personalization, Productivity Software, Workflow Management, Agentic Workflows, OpenAI, AI Workflows, Administrative Support, Generative AI Agents, Automation, Business Writing
Beginner · Course · 1 - 3 Months