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 Illinois Urbana-Champaign
Skills you'll gain: Disabilities, Web Content Accessibility Guidelines, Education and Training, Multimedia, Educational Materials, Adaptive Equipment, Pedagogy, Hypertext Markup Language (HTML), Developmental Disabilities, Instructional Design, Visual Impairment Education, Diversity Awareness, Labor Law, Law, Regulation, and Compliance, Family and Medical Leave Act of 1993, Microsoft Office
Beginner · Course · 1 - 3 Months

Skills you'll gain: Algorithms, Technical Communication, Computational Thinking, Solution Design, Programming Principles, Software Design, Theoretical Computer Science, Technical Writing, Data Structures, Applied Mathematics
Beginner · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Design Thinking, Design Research, Innovation, Design Strategies, Human Centered Design, User Research, Ideation, Service Design, Organizational Strategy, Creativity, Storyboarding, Product Development, User Experience, Research Methodologies, Qualitative Research, Customer Insights
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Social Media Marketing, Social Media Content, Social Media, Instagram, Creative Design, Style Guides, Graphic and Visual Design Software, Facebook, Graphic Design, Graphic and Visual Design, Digital Design, Technical Standard, Image Quality, Design Specifications, Branding, Content Optimization
Beginner · Course · 1 - 4 Weeks
Universidade de São Paulo
Skills you'll gain: Usability Testing, Usability, User Interface and User Experience (UI/UX) Design, Wireframing, Information Architecture, User Interface (UI) Design, UI/UX Strategy, UI Components, User Experience Design, UI/UX Research, Prototyping, User Research, Style Guides, Layout Design, Web Content Accessibility Guidelines, Design Elements And Principles, Cross Platform Development, Verification And Validation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Instagram, Facebook, LinkedIn, Content Creation, Social Media Content, Social Media, Graphic Design, Social Media Marketing, Marketing Design, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: IT Security Architecture, Endpoint Security, Zero Trust Network Access, Application Security, Security Strategy, Hardening, Microsoft Servers, Data Security, Security Management, Vulnerability Scanning, Patch Management
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft PowerPoint, Presentations, Multimedia, Productivity Software, Microsoft Office
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Cucumber (Software), Selenium (Software), Apache Maven, Object Oriented Programming (OOP), Behavior-Driven Development, Java, Jenkins, Test Tools, Object Oriented Design, Gherkin (Scripting Language), Continuous Integration, Test Automation, Java Programming, CI/CD, Test Execution Engine, Application Frameworks, Test Script Development, Software Testing, Software Design Patterns, Build Tools
Intermediate · Course · 1 - 3 Months

Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), UI Components, Web Design, Web Design and Development, Front-End Web Development, User Interface (UI) Design, User Interface (UI), Web Development Tools, Web Development, Typography, Node.JS, Mockups, Build Tools, Interactive Design, Configuration Management, Color Theory, Building Design, Debugging, Building Codes
Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Computer Science, Computer Programming, Solution Design, Problem Solving, Mathematical Theory & Analysis
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Workflows, AI Orchestration, OpenAI API, LLM Application, OpenAI, Agentic Workflows, Model Context Protocol, Generative AI Agents, Agentic systems, Decision Intelligence, Tool Calling, Prompt Engineering, Prompt Patterns, ChatGPT, AI Integrations, Artificial Intelligence, Application Programming Interface (API), Large Language Modeling, Python Programming, Development Environment
Intermediate · Course · 1 - 4 Weeks