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.

The University of Edinburgh
Skills you'll gain: Physics, Emerging Technologies, Physical Science, Computational Thinking, Image Analysis, Engineering, Scientific, and Technical Instruments, electromagnetics, Numerical Analysis, General Science and Research, Image Quality, Data Analysis Software, Scientific Methods
★ 4.7 (1.2K) · Beginner · Course · 1 - 3 Months

ESSEC Business School
Skills you'll gain: Business Analytics, Statistical Programming, Forecasting, Statistical Methods, Data Presentation, Predictive Analytics, R Programming, R (Software), Information Technology, Presentations, Advanced Analytics, Predictive Modeling, Analytics, Statistical Analysis, People Analytics, Communication, Data Storytelling, Business Strategy, Business, Data Analysis
★ 4.4 (664) · Mixed · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Project Schedules, Project Risk Management, Scheduling, Construction Management, Timelines, Lean Methodologies, Architecture and Construction, Construction Engineering, Milestones (Project Management), Diagram Design, Project Management Software, Work Breakdown Structure, Resource Allocation, Dependency Analysis
★ 4.8 (2.3K) · Beginner · Course · 3 - 6 Months

University of California, Davis
Skills you'll gain: Growth Mindedness, Open Mindset, Culture Transformation, Lifelong Learning, Positivity, Overcoming Obstacles, Professional Development, Innovation, Organizational Change, Constructive Feedback, Adaptability, Cognitive flexibility, Resilience, Leadership Development, Self-Awareness, Growth Strategies, Collaboration
★ 4.8 (1.4K) · Beginner · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Restful API, API Testing, Django (Web Framework), API Design, Software Documentation, Application Programming Interface (API), Authentications, Authorization (Computing), Debugging, JSON, Performance Tuning, Data Validation, Extensible Markup Language (XML)
★ 4.4 (377) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Orchestration, AI Workflows, LangChain, Agentic Workflows, Tool Calling, LangGraph, LLM Application, Agentic systems, Generative AI Agents, Responsible AI, Retrieval-Augmented Generation, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, AI Integrations, Prompt Engineering, Large Language Modeling, Software Design Patterns, Software Development, Python Programming, Application Development
★ 4.7 (241) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Product Quality (QA/QC), Quality Control, Quality Assurance, Safety Standards, Good Manufacturing Practices, Quality Management, Commercialization, Customer Insights, Laboratory Experience, Product Improvement, Analytical Testing, Laboratory Procedures, Product Lifecycle Management, Feasibility Studies, Verification And Validation, Chemistry, Healthcare Ethics, Biology, Personal Care, Materials science
★ 4.7 (571) · Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Systems Architecture, Software Architecture, Embedded Software, Software Design, System Design and Implementation, Embedded Systems, Performance Tuning, Systems Analysis, Electronic Hardware, Hardware Design, Electronic Systems, Systems Design, Hardware Architecture, Electrical and Computer Engineering, Requirements Analysis, System Programming, Reliability, Operating Systems, Service Level
★ 4 (122) · Intermediate · Specialization · 3 - 6 Months

University at Buffalo
Skills you'll gain: Blockchain, Test Driven Development (TDD), Development Testing, Test Script Development, Application Development, Application Design, Application Frameworks, Integrated Development Environments, Web Development Tools, Software Architecture, Web Applications, Development Environment, Frontend Integration, Application Deployment, Application Programming Interface (API), Software Development Tools, Interoperability, Command-Line Interface
★ 4.5 (1.2K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Innovation, Product Management, Product Development, Stakeholder Engagement, Competitive Analysis, Product Planning, Communication Planning, Product Strategy, Business Strategy, Business Development, Ideation, Product Lifecycle Management, Market Analysis, New Business Development, Product Knowledge, Communication, Stakeholder Management, Media and Communications, Communication Strategies, Leadership
★ 4.6 (374) · Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: UI/UX Research, Qualitative Research, User Research, Design Research, User Experience, Research Methodologies, Needs Assessment, Research and Design, Interviewing Skills, Human Centered Design, Research, Human Computer Interaction, Research Design, Data Collection
★ 4.7 (546) · Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Hardware Design, Security Engineering, Computer Hardware, Hardware Architecture, Hardening, Computer Security, Threat Modeling, Threat Detection, Cybersecurity, Intrusion Detection and Prevention, Security Architecture Review, Application Specific Integrated Circuits, Cryptographic Protocols, Microarchitecture, Cryptography, Systems Design, Encryption, Exploitation techniques, Functional Design, Emerging Technologies
★ 4.3 (693) · Mixed · Course · 1 - 3 Months