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 Pennsylvania State University
Skills you'll gain: Geographic Information Systems, Case Studies, Climate Change Programs, Systems Thinking, Geospatial Information and Technology, Sustainable Design, Spatial Analysis, Sustainable Development, Design Strategies, Collaborative Software, Decision Intelligence, Decision Support Systems, Cultural Responsiveness
★ 4.6 (64) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Program Evaluation, Health Equity, Data Collection, Institutional Review Board (IRB), Public Health, Research Design, Nutritional Assessment, Policy Analysis, Healthcare Ethics, Social Impact, Research, Surveys, Family Planning, Maternal Health, Statistical Analysis
★ 4.5 (24) · Beginner · Course · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Critical Thinking, Critical Thinking and Problem Solving, Independent Thinking, Business Ethics, Strategic Thinking, Decision Making, Analytical Skills, Problem Solving, Strategic Decision-Making, Ethical Standards And Conduct, Cognitive flexibility, Analysis, Self-Awareness, Open Mindset
★ 4.7 (123) · Intermediate · Course · 1 - 4 Weeks

University of Lausanne
Skills you'll gain: Business Ethics, Decision Making, Ethical Standards And Conduct, Social Sciences, Business Management, Research, Sociology, Compliance Management, Psychology, Case Studies, Mindfulness
★ 4.8 (432) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Fine-tuning, Large Language Modeling, Natural Language Processing, LLM Application, Generative AI Agents, Agentic Workflows, Decision Intelligence, Test Case, Agentic systems, User Interface (UI), Performance Testing, Model Training, Applied Machine Learning, Artificial Intelligence, Model Optimization, Machine Learning Algorithms, Classification Algorithms, Decision Support Systems, Model Evaluation
★ 4.4 (21) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: System Programming, Visual Basic (Programming Language), Database Management, System Software, Hardware Architecture, Databases, Relational Databases, Algorithms, Computer Architecture, Network Security, Computer Hardware, SQL, Computer Science, Computer Networking, Computer Programming, Network Protocols, Software Development, Automation, Cloud Computing, Debugging
★ 4.6 (117) · Beginner · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: JUnit, Unit Testing, Maintainability, Software Design Patterns, Software Testing, Test Automation, Integration Testing, Test Driven Development (TDD), Development Testing, Testability, Software Engineering, Test Tools, Secure Coding, Android Development, Application Security, Software Design, Mobile Security
★ 4.5 (297) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Android Studio, Android Jetpack, Android Development, Mobile Development, Kotlin, User Interface (UI), UI Components, User Interface (UI) Design, Cross Platform Development, Event-Driven Programming, Animations, Extensible Markup Language (XML)
★ 4.6 (156) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Finite Element Methods, Simulation and Simulation Software, Engineering Analysis, Simulations, Engineering, Verification And Validation
★ 4.6 (261) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Cloud Deployment, CI/CD, Full-Stack Web Development, MongoDB, Application Design, Cloud Development, Continuous Integration, Cloud Applications, React.js, DevOps, NoSQL, Database Management, Kubernetes, Front-End Web Development, Software Architecture, Application Development, Authorization (Computing), Frontend Integration, Back-End Web Development, Javascript
★ 4.7 (44) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Generative AI, AI literacy, Responsible AI, Healthcare Ethics, Data Ethics, Artificial Intelligence, Health Informatics, Medical Imaging, Clinical Documentation, Image Analysis, Health Care Procedure and Regulation, Healthcare Industry Knowledge, Treatment Planning, Patient Evaluation, Medical Privacy, Natural Language Processing
★ 4.2 (51) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SAP Signavio, Business Process Modeling, Process Modeling, Performance Measurement, Process Analysis, Process Design, Business Process, Process Mapping, Performance Metric, Process Improvement, Gap Analysis, Process Improvement and Optimization, Performance Analysis, Process Flow Diagrams, SAP Analytics Cloud, Business Workflow Analysis, Process Optimization, Dashboard, Data Visualization, Root Cause Analysis
★ 4.7 (28) · Beginner · Course · 1 - 4 Weeks