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.

Technical University of Munich (TUM)
Skills you'll gain: Model Based Systems Engineering, Digital Communications, Control Systems, Vibrations, Structural Analysis, Digital Transformation, Digital Analysis, Communication Systems, Mathematical Modeling, Engineering Design Process, Simulation and Simulation Software, Collaborative Software, Technology Strategies, Model Optimization, Conceptual Design
★ 4.7 (215) · Intermediate · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Data Structures, Python Programming, Computational Logic, Programming Principles, Data Storage, Code Reusability, Program Development, Computer Programming
★ 4.5 (33) · Beginner · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Object Oriented Programming (OOP), Python Programming, Programming Principles, Computer Programming, Development Environment, Software Installation, Scripting, Computational Logic, Program Development
★ 4.1 (13) · Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Clinical Practices, Patient Evaluation, Learning Theory, Clinical Assessment, Constructive Feedback, Decision Making, Patient Treatment, Medical Equipment and Technology, Instructional Design, Learning Strategies
★ 4.8 (69) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Java Platform Enterprise Edition (J2EE), Java Programming, Object-Relational Mapping, Java, Application Servers, Middleware, Application Deployment, Data Persistence, Event-Driven Programming, Enterprise Application Management, Server Side, Data Access, Code Reusability, Context Management, Business Logic, Query Languages, Remote Access Systems
★ 4.8 (60) · Intermediate · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: OSI Models, Network Security, Network Protocols, Network Performance Management, Network Architecture, Network Monitoring, Role-Based Access Control (RBAC), Network Troubleshooting, Network Administration, Computer Networking, TCP/IP, Network Planning And Design, Cybersecurity, Routing Protocols, Firewall, Network Routing, Network Analysis, IT Infrastructure, Cloud Computing, Automation
★ 4.7 (35) · Beginner · Specialization · 3 - 6 Months

Anthropic
Skills you'll gain: Prompt Engineering, AI Workflows, Agentic Workflows, Claude Code, Prompt Patterns, Model Context Protocol, Prompt Engineering Tools, Retrieval-Augmented Generation, Anthropic Claude, Agentic systems, Application Programming Interface (API), Tool Calling, Embeddings, Model Evaluation
★ 4.7 (154) · Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Differentiated Instruction, Teaching, Instructional Strategies, Oral Comprehension, Education and Training, Digital pedagogy, Literacy, Oral Expression, Pedagogy, digital literacy, Learning Styles, Media and Communications, Multimedia, Higher Education, Cultural Diversity, Language Learning, Writing, Diversity Awareness
★ 4.7 (183) · Mixed · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: NoSQL, Database Architecture and Administration, Database Systems, Cloud Applications, Database Theory, Database Management Systems, Data Store, Database Management, Databases, PostgreSQL, Relational Databases, Database Software, SQL, Database Application, Distributed Computing, Cloud Computing Architecture, Cloud Deployment, Transaction Processing, Scalability, Development Environment
★ 4.2 (151) · Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Javascript and jQuery, jQuery, Data Validation, Javascript, Event-Driven Programming, Application Programming Interface (API), Object Oriented Programming (OOP)
★ 4.8 (69) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, MLOps (Machine Learning Operations), Microsoft Azure, Artificial Intelligence and Machine Learning (AI/ML), Model Training, Cloud Deployment, Data Pipelines, AI Workflows, AI Security, CI/CD, Continuous Monitoring, Identity and Access Management, Version Control, Data Storage
★ 4.6 (27) · Intermediate · Course · 1 - 3 Months

Princeton University
Skills you'll gain: Risk Analysis, Analysis, Systems Thinking, World History, International Relations, Risk Management, Systems Analysis, Social Network Analysis, International Finance, Financial Systems, Infectious Diseases, Public Health, Socioeconomics, Social Sciences, Health Policy, Governance, Epidemiology, Complex Problem Solving, Economics, Supply Chain
★ 4.7 (462) · Beginner · Course · 1 - 3 Months