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 World Bank Group
Skills you'll gain: Climate Change Adaptation, Climate Change Mitigation, Interactive Learning, Environmental Issue, Sustainable Development, Social Impact, Environment, Environmental Policy, Natural Resource Management, Environmental Science, Energy and Utilities, Water Resource Management, Scientific Methods, Policy Analysis, Cooperation, Collaboration
★ 4.7 (478) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Traffic Flow Optimization, Stormwater Management, Public Works, Landscape Architecture, Civil Engineering, Environmental Engineering, Sustainable Systems, Sustainable Development, Health Equity, Land Development, Water Resources, Sustainable Design, Community Development, Community Health, Environment, Public Health
★ 4.8 (97) · Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Chemical Engineering, Hazard Analysis, Process Engineering, Occupational Hygiene, Hazard Communication (HazCom), Fire And Life Safety, Safety Assurance, Occupational Health, Health And Safety Standards, Safety Training, Risk Management, Environment Health And Safety, Chemical and Biomedical Engineering, Failure Analysis, Chemistry, Risk Analysis, Accident Prevention, Safety Standards, Electrical Safety, Risk Mitigation
★ 4.8 (324) · Advanced · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Site Reliability Engineering, Safety Culture, Culture Transformation, CI/CD, Service Level, System Implementation, Performance Measurement, Data-Driven Decision-Making, Organizational Structure, Incident Management, Automation, Change Management, Goal Setting
★ 4.7 (921) · Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Peer Review, Video Game Development, Professional Development, Contract Negotiation, Media and Communications, Branding, Organizational Structure, Fundraising and Crowdsourcing, Organizational Strategy, Brand Management, Game Design, Recruitment, Fundraising, Media Production, Professionalism, Workforce Development, Contract Management, Live Streaming, Higher Education, Market Dynamics
★ 4.6 (276) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Scalability, Software Architecture, Systems Architecture, Microservices, Software Design, Application Design, Solution Architecture, Software Design Patterns, Systems Design, Object Oriented Design, Maintainability, Code Reusability, Functional Requirement, Dependency Analysis, Programming Principles, Business Logic
★ 4 (8) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Video Production, Photo/Video Production and Technology, Adobe Express, Video Editing, Multimedia, Content Creation, Storytelling, Visual Design, Design Elements And Principles, Web Content, Infographics, Visual Storytelling, AI powered creativity, Digital Media Strategy, Communication
★ 4.7 (136) · Mixed · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Android (Operating System), Android Development, Mobile Development, Data Management, User Interface (UI), Human Computer Interaction, Event-Driven Programming, Network Model, Geographic Information Systems, Interactive Design, Geospatial Information and Technology, Data Storage, Animations, Computer Programming, Computer Graphics
★ 4.7 (172) · Mixed · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: PyTorch (Machine Learning Library), Model Deployment, Hugging Face, Model Optimization, Fine-tuning, Convolutional Neural Networks, Transfer Learning, Data Quality, Generative AI, Data Manipulation, Deep Learning, Generative Model Architectures, Model Training, Image Analysis, MLOps (Machine Learning Operations), Large Language Modeling, Data Pipelines, Artificial Neural Networks, Computer Vision, Natural Language Processing
★ 4.8 (96) · Intermediate · Professional Certificate · 1 - 3 Months

Skills you'll gain: Data Structures, Object Oriented Design, Javascript, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Spring Framework, JUnit, Application Frameworks, Unit Testing, Java Programming, Enterprise Application Management, Integration Testing, Configuration Management, Development Environment, Extensible Markup Language (XML), Context Management
★ 3.8 (454) · Intermediate · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: Hospitality Management, Hospitality and Food Services, Hospitality, Customer Service, Guest Relations, Customer experience strategy (CX), Customer Relationship Management, Service Design, Healthcare Industry Knowledge, Expectation Management, Product Marketing, Service Management, Innovation, Customer experience improvement, Revenue Management, Business Marketing, Service Improvement, Hospital Experience, Marketing, Patient-centered Care
★ 4.7 (555) · Mixed · Course · 1 - 4 Weeks