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.

Skills you'll gain: Test Planning, Test Driven Development (TDD), Release Management, Software Testing, Behavior-Driven Development, Risk Management Framework, Risk Management, System Testing, Application Deployment, Software Quality Assurance, Software Development Life Cycle, CI/CD, Data Validation, Systems Analysis, Systems Thinking, Data Modeling, Product Lifecycle Management, Business Process Automation, Digital Transformation, Process Flow Diagrams
★ 4.9 (21) · Intermediate · Course · 1 - 4 Weeks
STARWEAVER
Skills you'll gain: Responsible AI, Sustainable Development, Social Impact, Data Ethics, Sustainable Business, Generative AI, Sustainable Systems, Corporate Sustainability, AI literacy, Diversity Equity and Inclusion Initiatives, Sustainability Reporting, Diversity and Inclusion, Artificial Intelligence, Environmental Social And Corporate Governance (ESG), Business Ethics, Climate Change Mitigation, Environmental Issue, Problem Solving, Content Strategy
★ 4.2 (13) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Deployment, Data Maintenance, Network Architecture, Cloud Infrastructure, Data Storage, Network Infrastructure, Scalability, Issue Tracking, Public Cloud, General Networking, Network Monitoring, Data Security, Serverless Computing, Network Planning And Design, Network Security, Authentications, Infrastructure Security, Authorization (Computing), Data Loss Prevention, Remote Access Systems
★ 4 (23) · Intermediate · Specialization · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Model Context Protocol, AI Security, AI Integrations, Tool Calling, IT Security Architecture, Generative AI Agents, Security Engineering, Context Management, Interoperability, Agentic systems, Enterprise Security, Authorization (Computing), Generative AI
★ 4.6 (58) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Web Design and Development, Front-End Web Development, Web Design, Computer Programming
★ 4.9 (49) · Intermediate · Course · 1 - 4 Weeks
Anthropic
Skills you'll gain: Prompt Engineering, Prompt Patterns, Delegation Skills, Generative AI, Responsible AI, AI literacy, Anthropic Claude, Context Engineering, Artificial Intelligence, Decision Intelligence, Ethical Standards And Conduct, Due Diligence, Communication
★ 4.8 (117) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Code Review, Object Oriented Design, Maintainability, Software Design Patterns, Software Design, Functional Design, Code Reusability, Continuous Integration, Test Automation, Software Quality (SQA/SQC), Test Driven Development (TDD), Debugging, Software Documentation, Programming Principles, Scalability, Quality Improvement, Python Programming, Continuous Improvement Process, Style Guides, Continuous Monitoring
Beginner · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Graphic Design, Design, Graphic and Visual Design, Marketing Design, Graphic and Visual Design Software, Creative Design, Typography, Marketing Collateral, Graphical Tools, Design Elements And Principles, Marketing Materials
★ 4.6 (29) · Intermediate · Guided Project · Less Than 2 Hours

Universidad Nacional Autónoma de México
Skills you'll gain: Qualitative Research, Instructional and Curriculum Design, Teaching, Health Assessment, Psychological Evaluations, Educational Materials, Education and Training, Case Studies, Simulations, Simulation and Simulation Software
★ 4.8 (139) · Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Engineering Calculations, Structural Engineering, Structural Analysis, Construction Engineering, Civil Engineering, Engineering Analysis, Engineering Practices, Engineering, Construction, Conceptual Design, Design Specifications, Finite Element Methods, Hydraulics
★ 4.7 (21) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Front-End Web Development, Javascript, Responsive Web Design, Maintainability
★ 4.7 (13) · Intermediate · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Sustainable Development, Cooperation, Discussion Facilitation, Collaboration, Environmental Issue, Community Development, Creative Thinking, Climate Change Programs, Cultural Responsiveness, Community Outreach, Climate Change Adaptation, Environmental Policy, Advocacy, Climate Change Mitigation, Education and Training, Diplomacy, Coordination
★ 4.6 (45) · Beginner · Course · 1 - 4 Weeks