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 Minnesota
Skills you'll gain: Dimensionality Reduction, NumPy, Linear Algebra, Numerical Analysis, Statistical Methods, Regression Analysis, Mathematical Modeling, Applied Mathematics, Solution Design, Applied Machine Learning, Data Manipulation, Algorithms, Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: User Interface (UI) Design, Data Persistence, Interactive Data Visualization, Database Management, Real Time Data, Computer Programming, Data Management, Software Installation, Data Structures, Data Modeling
Intermediate · Specialization · 1 - 3 Months
University of Michigan
Skills you'll gain: Programming Principles, Computer Programming, Python Programming, Algorithms, Debugging, Development Environment
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Accountability, Executive Presence, Decision Making, Conflict Management, Business Ethics, Succession Planning, Technical Management, Risk Management, Team Management, Organizational Structure, Stakeholder Management, Diversity and Inclusion, Delegation Skills, Professional Networking, Strategic Leadership, Business Relationship Management, Culture Transformation, Business Strategy, Organizational Leadership, Leadership
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Payroll, Payroll Administration, Payroll Systems, Payroll Tax, Payroll Processing, Payroll Reporting, Non-Profit Accounting, Specialized Accounting, Record Keeping, Accounting, Tax Compliance, Tax Laws, Law, Regulation, and Compliance, Organizational Structure, Data Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Applications, Web Design and Development, API Design, User Interface (UI), Databases, Scalability, GitHub, Command-Line Interface, Data Validation
Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Claude Code, Vibe coding, Anthropic Claude, Model Context Protocol, Application Development, Command-Line Interface, Application Design, Programming Principles, Generative AI, Automation, Generative AI Agents, Image Analysis, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Feedback, Customer Service, Customer experience strategy (CX), Customer Engagement, Customer Insights, Customer Analysis, Communication, Continuous Improvement Process, Case Studies, Culture Transformation, Focus Group, Data-Driven Decision-Making, Social Media
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Email Marketing, Content Strategy, Content Marketing, Content Performance Analysis, HubSpot CRM, Marketing Strategies, Web Content, Social Media Content, Paid media, Marketing, Digital Content, Content Creation, Target Audience, Marketing Analytics, Lead Generation, Newsletters, Digital Marketing, Customer Relationship Management, UI/UX Strategy, Marketing Automation
Beginner · Specialization · 1 - 3 Months

University of Leeds
Skills you'll gain: Robotics, Automation, Artificial Intelligence, Manufacturing and Production, Engineering, Data Ethics, Electrical Engineering, Computer Vision, Control Systems, Biomedical Engineering, Computer Programming
Beginner · Course · 1 - 4 Weeks
Universidad Austral
Skills you'll gain: Server Side, Node.JS, Back-End Web Development, Restful API, MongoDB, Application Deployment, OAuth, Web Servers, Application Servers, Web Applications, Authentications, Application Security, Object-Relational Mapping, NoSQL, Data Persistence, Authorization (Computing), Software Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Human Resources Management and Planning, Employee Performance Management, Performance Management, Growth Strategies, Delegation Skills, Business Management, People Management, Subcontracting, Recruitment, Employee Training, Organizational Structure, Organizational Strategy, Leadership, Communication
Mixed · Course · 1 - 4 Weeks