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: Copywriting, Social Media Marketing, Content Marketing, Driving engagement, Email Marketing, Brand Management, Marketing, Advertising Campaigns, Search Engine Optimization
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Traffic Flow Optimization, Architectural Design, Sustainable Development, Stormwater Management, Building Codes, Community Development, Land Development, Public Works, Sustainable Architecture, Landscape Architecture, Transportation Operations, Civil Engineering, Case Studies, Environmental Engineering, Building Design, Economic Development, Land Management, Sustainable Design, Sustainable Technologies, Environmental Science
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Keyword Research, Generative AI, Search Engine Optimization, Content Strategy, AI Workflows, Digital Marketing
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Engineering Design Process, Prototyping, Engineering Drawings, Product Design, Product Development, Hardware Design, Research and Design, 3D Modeling, Mockups, Industrial Design, Development Testing, Computer-Aided Design, Usability Testing, Design Specifications, Manufacturing Processes, Cost Estimation, Materials science, Ideation, Mechanical Engineering, User Feedback
Beginner · Specialization · 1 - 3 Months
University of Colorado Boulder
Skills you'll gain: Electrical Safety, Electrical Systems, High Voltage, Simulations, Electronic Components, Safety Standards, Estimation, Control Systems, Basic Electrical Systems, Thermal Management, Mathematical Modeling, Power Electronics, Electrical Power, Failure Analysis, Probability, Electrical Engineering, Energy and Utilities, Model Evaluation, Simulation and Simulation Software, Machine Learning Methods
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

University at Buffalo
Skills you'll gain: Blockchain, Test Driven Development (TDD), Development Testing, Application Development, Integrated Development Environments, Web Development Tools, Software Architecture, Web Applications, Application Programming Interface (API), Software Development Tools, Software Design Patterns, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Full-Stack Web Development, Front-End Web Development, Django (Web Framework), Scalability, Responsive Web Design, Web Applications, Back-End Web Development, MySQL, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Cloud Computing, Application Programming Interface (API), Virtual Environment, Javascript, Database Management
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: MLOps (Machine Learning Operations), Data Management, Project Management Life Cycle, Data Quality, Model Deployment, Data Preprocessing, Technical Management, Applied Machine Learning, Project Management, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Data Cleansing, Model Evaluation, Market Opportunities, Data Pipelines, Software Development Methodologies, Technology Solutions, Systems Design, Data Collection, Data Science
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), File I/O, Python Programming, Data Structures, Computer Programming, Scripting, Software Engineering, Performance Tuning, Web Development, Debugging, Random Forest Algorithm, Web Development Tools
Intermediate · Course · 1 - 4 Weeks

Palo Alto Networks
Skills you'll gain: Cybersecurity, Cyber Attacks, Network Security, Zero Trust Network Access, Malware Protection, Firewall, AI Security, Endpoint Security, Threat Modeling, Cloud Security, System Configuration, Cloud Computing, Software As A Service, Cryptography, Authentications
Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Sustainable Business, Sustainable Development, Corporate Sustainability, Product Development, Environmental Social And Corporate Governance (ESG), Sustainability Reporting, Consumer Behaviour, Product Design, Environmental Issue, New Product Development, Innovation, Design Thinking, Market Opportunities, Business Strategies, Customer Analysis, Market Research, Business Development, Value Propositions, Communication Strategies
Build toward a degree
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Windows Servers, Computer Security, Linux Administration, Contingency Planning, Disaster Recovery, Authorization (Computing), Linux, Linux Servers, Microsoft Windows, Authentications, Business Continuity Planning, OSI Models, User Accounts, Group Policy, Security Management, Microsoft Servers, Operating System Administration, Systems Administration, Virtualization, Cybersecurity
Beginner · Specialization · 3 - 6 Months