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.

Logical Operations
Skills you'll gain: Microsoft Visio, Engineering Drawings, Engineering Plans And Specifications, Process Flow Diagrams, Diagram Design, Technical Drawing, Microsoft Development Tools, Visualization (Computer Graphics), Schematic Diagrams, Data Flow Diagrams (DFDs), Graphic and Visual Design Software, Graphic and Visual Design, Microsoft Access, Microsoft Office, Visual Design, Graphic Design, Data Integration, Workflow Management
Mixed · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Web Applications, Javascript, Other Programming Languages, UI Components, Front-End Web Development, Web Development, Object Oriented Programming (OOP), Cascading Style Sheets (CSS), Programming Principles
Intermediate · Course · 1 - 4 Weeks

Pontificia Universidad Católica del Perú
Skills you'll gain: Design Thinking, Research and Design, Sustainable Development, Innovation, Ethical Standards And Conduct, Cultural Sensitivity, Creativity, Sustainability Standards, Cultural Diversity, Community Development, Collaboration
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Responsible AI, Data Ethics, Google Gemini, Customer Analysis, Marketing Analytics, Generative AI, Business Marketing, AI Enablement, Governance, AI Security, Sales Strategy, AI Personalization, Customer Insights, Marketing Strategies, ChatGPT, Forecasting, Automation, Analysis, Process Optimization, Visualization (Computer Graphics)
Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Adobe InDesign, Adobe Creative Cloud, Document Management, Layout Design, File Management, Productivity Software, Graphic Design, Multimedia, Digital Publishing, Graphic and Visual Design, User Interface (UI), Style Guides, Graphic and Visual Design Software, Typography
Mixed · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Creativity, Innovation, Higher Education, Student-Centred Learning, Entrepreneurship, Professional Development, Training and Development, Training Programs, Collaboration, Project Design, Problem Solving, New Business Development, Adaptability, Social Impact
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Istio, Microservices, Containerization, Docker (Software), Kubernetes, Application Deployment, Software Architecture, Cloud-Native Computing, Systems Architecture, Service Oriented Architecture, Application Performance Management, Performance Tuning, Scalability
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Lean Six Sigma, Performance Improvement, Statistical Process Controls, Operational Analysis, Process Improvement, Statistical Methods, Continuous Improvement Process, Innovation, Operations Management, Probability & Statistics, Problem Solving
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Content, Social Media, Social Media Marketing, Social Media Management, Content Creation, Instagram, Scheduling, Facebook, Content Management, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours
Starweaver
Skills you'll gain: Endpoint Security, Endpoint Detection and Response, Threat Detection, Zero Trust Network Access, Cyber Threat Hunting, MITRE ATT&CK Framework, Cyber Threat Intelligence, Intrusion Detection and Prevention, IT Security Architecture, Threat Management, Cybersecurity, Security Controls, Continuous Monitoring, Anomaly Detection, System Monitoring, Identity and Access Management, Virtual Machines
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Color Theory, Javascript, Front-End Web Development, User Interface (UI) Design, Web Development, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Restful API, Apache, Full-Stack Web Development, API Design, Node.JS, Web Servers, Postman API Platform, Authentications, Application Servers, Application Programming Interface (API), Web Applications, Back-End Web Development, Secure Coding, Web Development Tools, API Testing, Web Development, Javascript, JSON, PHP (Scripting Language)
Beginner · Specialization · 1 - 3 Months