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 Colorado Boulder
Skills you'll gain: Mathematics Education, Education Software and Technology, Simulations, Pedagogy, Digital pedagogy, Simulation and Simulation Software, Design Reviews, Survey Creation, Lesson Planning, Web Content Accessibility Guidelines, Science and Research, Interactive Design, Conceptual Design, User Feedback, Experimentation, Chemistry, Physics, Biology, File Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: NumPy, Pandas (Python Package), Image Analysis, Data Manipulation, Matplotlib, Computer Vision, Data Analysis, Interactive Data Visualization, Python Programming, Data Visualization, JSON, Dashboard, Data Visualization Software, Jupyter, Web Applications
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Prompt Engineering, Google Gemini, Generative AI Agents, Responsible AI, Retrieval-Augmented Generation, Generative AI, Google Workspace, AI Enablement, Google Cloud Platform, Customer experience improvement, Gemini, AI Product Strategy, AI Security, Productivity Software, AI Workflows, Agentic systems, Cloud Infrastructure, Cloud Computing, Artificial Intelligence, Collaboration
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Unreal Engine, Video Game Development, Game Design, Scripting, Virtual Environment, Animations, Event-Driven Programming, Timelines, Debugging
Mixed · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Virtual Networking, Network Protocols, Network Planning And Design, Network Security, Network Performance Management, Network Architecture, Network Monitoring, Computer Networking, TCP/IP, Routing Protocols, Emerging Technologies, Internet Of Things, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Construction, Hydraulics, Construction Engineering, General Construction and Construction Labor, Equipment Design, Maintenance, Repair, and Facility Services, Grading (Landscape), Civil Engineering, Construction Management, Safety Standards, Plant Operations and Management, Facility Repair And Maintenance, Production Process, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Logo Design, Marketing Materials, Marketing Strategy and Techniques, Graphic Design, Branding, Color Theory, Product Design
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Event-Driven Programming, Web Applications, Javascript, Data Import/Export, Web Development Tools, Data Management, Web Development, User Interface (UI), Data Validation, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, JSON, Package and Software Management, Authorization (Computing), Web Scraping, Application Programming Interface (API), Python Programming, Authentications, Object Oriented Programming (OOP), Data Processing, Simulations, Data Management, Probability & Statistics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Vulnerability Management, Identity and Access Management, IT Security Architecture, Incident Response, Security Controls, Endpoint Security, Event Monitoring, Cybersecurity, Data Security, Infrastructure Security, Mobile Security, Threat Detection, Firewall, Encryption, Virtual Private Networks (VPN), Digital Forensics, Disaster Recovery
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, JUnit, Integration Testing, Restful API, Test Driven Development (TDD), Software Testing, Java Programming, Hibernate (Java), Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Digital Transformation, Business Transformation, Product Lifecycle Management, Technology Strategies, Design Thinking, Competitive Analysis, Business Process Automation, Growth Strategies, Business Strategies, Emerging Technologies, Business Economics, Innovation, Market Dynamics, Leadership, Communication
Beginner · Course · 1 - 4 Weeks