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.

Rice University
Skills you'll gain: Web Content Accessibility Guidelines, digital literacy, Education Software and Technology, English Language, Learning Management Systems, Lifelong Learning, Collaboration, Creativity, Critical Thinking, Cultural Responsiveness, Communication
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Email Marketing, Target Audience, Lead Generation, Marketing Automation, Newsletters, Campaign Management, Driving engagement, Direct Marketing, Promotional Strategies, Digital Marketing, Content Marketing, Customer Relationship Management (CRM) Software, Customer Engagement, Sales, Automation, Law, Regulation, and Compliance
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Computational Logic, System Requirements, Functional Requirement, Theoretical Computer Science, Systems Analysis, Verification And Validation, Control Systems, Linear Algebra, Differential Equations, Applied Mathematics
Build toward a degree
Intermediate · Course · 1 - 3 Months
National Taiwan University
Skills you'll gain: Storytelling, Design, Aesthetics, Design Elements And Principles, Art History, Layout Design, Ancient History
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Data Visualization Software, Dashboard, Data Visualization, Interactive Data Visualization, Data Transformation, Tableau Software, Data Storytelling, Data Manipulation, Exploratory Data Analysis, Heat Maps, Scatter Plots, Data Analysis, Forecasting, Geospatial Mapping
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Video Editing, Video Production, Marketing Materials, Content Creation, Marketing Design, Marketing, Storytelling, Multimedia, Branding, Generative AI, Artificial Intelligence
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Extract, Transform, Load, Data Transformation, Data Integration, Web Scraping, Data Pipelines, JSON, Object Oriented Programming (OOP), Extensible Markup Language (XML), Data Modeling, Application Programming Interface (API), Relational Databases
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Ethics, Responsible AI, Diversity Awareness, Generative AI, Ethical Standards And Conduct, Diversity Equity and Inclusion Initiatives, Cultural Diversity, Artificial Intelligence, Algorithms, Information Privacy
Build toward a degree
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Adobe Firefly, Multimedia, Content Creation, Digital Content, ChatGPT, Course Development, Email Marketing, Artificial Intelligence, Design and Product, Product Development, Writing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Spring Boot, API Design, Application Programming Interface (API), Spring Framework, JSON, Object-Relational Mapping, Business Logic, Integration Testing, Data Modeling, Server Side, Software Architecture, Data Persistence, Data Access
Mixed · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Search Engine Optimization, Generative AI Agents, Video Production, Email Automation, Sales Strategy, Advertising, Inside Sales, AI Orchestration, Online Advertising, Marketing Channel, Marketing, Performance marketing, Product Promotion, AI Workflows, Marketing Strategies, Content Marketing, Entrepreneurship, Web Analytics, New Business Development, Agentic systems
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Systems Thinking, Environmental Laws, Sustainable Development, Climate Change Adaptation, Land Development, Community Development, Environmental Policy, Social Impact, Sustainable Design, Social Justice, Socioeconomics, Environmental Science, Climate Change Mitigation, Energy and Utilities
Beginner · Course · 1 - 3 Months