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.

École Polytechnique
Skills you'll gain: Electrical Power, Electrical Systems, Electric Power Systems, Energy and Utilities, Environmental Issue, Sustainable Systems, Technology Solutions, Network Planning And Design
★ 4.5 (33) · Beginner · Course · 1 - 4 Weeks
Imperial College London
Skills you'll gain: Virtual Reality, Augmented and Virtual Reality (AR/VR), Virtual Environment, Computer Graphics, Android Development, Computer Graphic Techniques, 3D Assets, Visualization (Computer Graphics), Application Development, Animations, Mobile Development, Creative Design
★ 4.2 (10) · Intermediate · Course · 1 - 4 Weeks

Xi'an Jiaotong University
Skills you'll gain: Operating Systems, Microsoft Office, Computer Networking, System Software, Computer Systems, Network Architecture, OS Process Management, Theoretical Computer Science, Computer Science, General Networking, Computer Architecture, Hardware Architecture, Network Protocols, Computer Literacy, Computational Logic, Computing Platforms, Programming Principles, Memory Management, Computer Hardware
★ 3.9 (35) · Mixed · Course · 1 - 3 Months

Technical University of Denmark (DTU)
Skills you'll gain: Jupyter, Medical Imaging, 3D Modeling, Image Analysis, Image Quality, Numerical Analysis, Mathematical Modeling, Materials science, Digital Signal Processing, Python Programming
★ 4.7 (67) · Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: ABAP RESTful Programming Model (RAP), SAP S/4HANA, Restful API, Core Data (Software), Security Controls, HTML and CSS, UI Components, User Interface (UI) Design
★ 4.4 (8) · Intermediate · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Social Sciences, Research Methodologies, Science and Research, Research, Scientific Methods, Surveys, Experimentation, Data Collection, Research Design, Research Reports, Economics, Policy, and Social Studies, Sample Size Determination, Social Studies, Institutional Review Board (IRB), Survey Creation, Probability & Statistics
★ 4.7 (52) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Threat Modeling, Feature Engineering, Anomaly Detection, Data Visualization, Data Presentation, MLOps (Machine Learning Operations), Agentic Workflows, Interactive Data Visualization, AI Orchestration, AI Security, A/B Testing, Generative AI Agents, Threat Management, Model Optimization, Open Web Application Security Project (OWASP), Technical Communication, Agentic systems, Continuous Monitoring, CI/CD, Reinforcement Learning
Intermediate · Professional Certificate · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Electronic Hardware, Electronic Components, Electronics, Hardware Design, Music, Musical Composition, Embedded Systems, System Configuration, Music Theory, Digital Communications, Creative Design, Programming Principles, Physics
★ 4.6 (14) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Advertising, Marketing Materials, Social Media Marketing, Marketing Design, Social Media Content, Facebook, Social Media, Graphic Design, Instagram, Branding, Design, Marketing, Graphical Tools
★ 4.8 (41) · Intermediate · Guided Project · Less Than 2 Hours

ESSEC Business School
Skills you'll gain: Sustainable Business, Corporate Sustainability, Climate Change Programs, Climate Change Mitigation, Sustainable Development, Environmental Issue, Business Transformation, Climate Change Adaptation, Corporate Strategy, Business Strategy, Business Modeling, Supplier Management, Stakeholder Engagement, Finance
★ 4.6 (142) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Prompt Engineering, Prompt Patterns, Retrieval-Augmented Generation, LLM Application, Generative AI Agents, AI Workflows, LangChain, Model Context Protocol, Vector Databases, AI Orchestration, Agentic Workflows, Tool Calling, Artificial Intelligence and Machine Learning (AI/ML), LangGraph, Large Language Modeling, Agentic systems, Embeddings, Model Deployment, AI Integrations, Artificial Intelligence
★ 2.4 (7) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Restful API, Application Deployment, Microservices, Docker (Software), Spring Boot, Spring Framework, Containerization, CI/CD, API Design, Application Programming Interface (API), Java Programming, Hibernate (Java), Back-End Web Development, Systems Architecture, Java, Software Architecture, Software Design, Authentications, Software Development, IntelliJ IDEA
Intermediate · Course · 1 - 4 Weeks