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 Michigan
Skills you'll gain: Social Justice, Environmental Issue, Sustainable Systems, Sustainable Development, Health Disparities, Social Determinants Of Health, Environmental Policy, Environmental Engineering and Restoration, Health Equity, Environmental Resource Management, Environmental Laws, Legal Proceedings, Environmental Social And Corporate Governance (ESG), Litigation and Civil Justice, Environmental Regulations, Community Organizing, Environmental Science, Community and Social Work, Natural Resource Management, Collaboration
★ 5 (8) · Beginner · Course · 1 - 3 Months

S.P. Jain Institute of Management and Research
Skills you'll gain: Supply Management, Transportation, Supply Chain, and Logistics, Network Planning And Design, Transportation Management, Logistics, Inventory Management System, Performance Metric, Operations Research, Key Performance Indicators (KPIs), Network Model, Transportation Operations, Corporate Sustainability, Strategic Planning, Operational Performance Management, Network Performance Management, Risk Management, Coordination, Cost Reduction, Risk Mitigation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Redis, Data Persistence, Data Store, NoSQL, Performance Tuning, Transaction Processing, Key Management, Server Administration, Data Structures, Data Storage, Real Time Data, Data Management, Servers, Event-Driven Programming, Scalability, Data Access, Scripting Languages, Software Architecture, Memory Management, Query Languages
★ 4.9 (18) · Beginner · Specialization · 1 - 3 Months

University of Leeds
Skills you'll gain: Web Presence, Professional Development, Professionalism, digital literacy, Web Content, Relationship Building, Content Management, System Configuration, Information Privacy, General Networking, Planning, Communication Strategies, Action Oriented
★ 4.3 (9) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Building Services Engineering, HVAC, Building Design, Energy and Utilities, Engineering, Thermal Management, Sustainable Engineering, Mechanical Engineering, Engineering Calculations, Sustainable Design, Architectural Design, Engineering Analysis, Climate Change Mitigation, Trigonometry
Advanced · Course · 1 - 3 Months

Tencent Cloud
Skills you'll gain: Cloud Computing Architecture, Cloud Solutions, Cloud Computing, Cloud Infrastructure, Solution Architecture, Serverless Computing, Cloud Services, Infrastructure Architecture, Network Architecture, Virtual Networking, Cloud Management, API Gateway, Scalability, Performance Tuning, Network Performance Management
★ 4.8 (15) · Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Node.JS, JSON, Server Side, Web Development Tools, Back-End Web Development, JavaScript Frameworks, Web Servers, Application Programming Interface (API), Restful API, Javascript, Web Development, Package and Software Management, Servers, Network Protocols
★ 4.5 (6) · Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Java Programming, Java, Pedagogy, Object Oriented Programming (OOP), Computer Programming, Computational Thinking, Cultural Responsiveness, Programming Principles, Digital pedagogy, Algorithms
★ 4.7 (11) · Beginner · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Waste Minimization, Environmental Engineering, Environmental Regulations, Sustainable Engineering, Environmental Engineering and Restoration, Sustainable Technologies, Thermal Management, Land Management, Process Engineering, Water Sustainability, Energy and Utilities, Process Analysis, Mechanical Engineering, Facility Management, Design Specifications, Microbiology
★ 4.4 (7) · Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: JavaScript Frameworks, Restful API, Application Programming Interface (API), Web Development, React.js, Authentications, OAuth, Web Applications, Server Side, Back-End Web Development, Object-Relational Mapping, UI Components, Cloud Hosting, Image Quality, Secure Coding, Application Deployment
Intermediate · Course · 1 - 3 Months

Banco Interamericano de Desarrollo
Skills you'll gain: Data Visualization, Data Literacy, Data Ethics, Data Presentation, Policy Development, Data-Driven Decision-Making, Data Analysis, Data Collection, Public Policies, Data Management, Policy Analysis, Data Quality, Program Evaluation, Research, Statistical Methods, Research Methodologies, Statistical Analysis, Research Design
Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Prompt Patterns, Prompt Engineering Tools, AI Orchestration, Salesforce Development, Salesforce, Agentic Workflows, Generative AI Agents, AI Integrations, Coordinating, Enterprise Application Management, Context Engineering, Agentic systems, Coordination, Generative AI, Software Testing, Performance Testing, Enterprise Architecture, Data Architecture, Model Evaluation
Intermediate · Specialization · 1 - 3 Months