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 Virginia
Skills you'll gain: Design Thinking, Technology Strategies, IT Management, Agile Methodology, Process Design, Stakeholder Engagement, Solution Design, Business Strategies, Agile Project Management, Business Modeling, Business Process, Stakeholder Management, Performance Metric, Lean Methodologies, Performance Measurement, User Feedback, Sales
★ 4.6 (9) · Beginner · Course · 1 - 4 Weeks

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, Code Reusability, Package and Software Management, Servers
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Version Control, Git (Version Control System), Selenium (Software), Test Automation, Jenkins, Test Script Development, Software Versioning, Continuous Integration, Test Tools, Continuous Delivery, Test Data, Software Testing, CI/CD, Code Reusability, Software Design Patterns, Command-Line Interface, File I/O
★ 4.8 (6) · Advanced · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Product Lifecycle Management, Enterprise Architecture, Product Management, Product Planning, Product Strategy, User Research, New Product Development, Scalability, Lean Methodologies, Project Portfolio Management, Product Lining, Product Roadmaps, User Centered Design, Commercialization, Growth Strategies, Market Opportunities, Process Optimization, Case Studies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Embedded Systems, Tensorflow, Applied Machine Learning, Data Processing, Embedded Software, Data Preprocessing, Model Optimization, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Software, Machine Learning Methods, Artificial Neural Networks, Machine Learning Algorithms, Model Training, Convolutional Neural Networks, Feature Engineering, Computer Vision, Deep Learning, Image Analysis, Machine Learning, Model Deployment
★ 4.2 (9) · Intermediate · Course · 1 - 3 Months

University of California, Berkeley
Skills you'll gain: Machine Controls, Environmental Engineering, Robotics, Sustainable Engineering, Electronics Engineering, Electronics, Civil Engineering, Manufacturing Processes, Control Systems, Manufacturing and Production, Environmental Issue, Electronic Systems, Electronic Hardware, Electronic Components, Semiconductors, Sustainable Systems, Sustainable Design, Engineering, Production Process, Sustainable Technologies
★ 5 (9) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Spring Framework, Spring Boot, Java Programming, Java, Apache Maven, Hibernate (Java), Unit Testing, Gradle, Microservices, Build Tools, Object-Relational Mapping, Software Testing, Cloud Development, Functional Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: User Interface (UI), User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Design Thinking, UI Components, Software Design, Code Reusability, Usability, Event-Driven Programming, Maintainability, Integrated Development Environments, Application Design, Payment Systems, Interactive Design, MySQL, Jupyter, Database Application, Development Environment, Property Management Systems, Python Programming
★ 4.4 (17) · Beginner · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Blockchain, Digital Assets, Portfolio Risk, Portfolio Management, Cryptography, Investments, Asset Protection, Market Dynamics, Cryptographic Protocols, FinTech, Financial Systems, Payment Systems, Financial Market, Financial Regulations, Securities (Finance), Financial Policy, Bank Regulations, Financial Regulation, Key Management, Cyber Risk
★ 5 (12) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Health Informatics, Digital Transformation, Health Technology, Public Health, Health Disparities, Medical Privacy, Public Health and Disease Prevention, Health Systems, Health Care, Digital Analysis, Data Governance, Interoperability, Information Technology, Artificial Intelligence, Responsible AI
Beginner · Course · 1 - 3 Months

Harvard Business Review
Skills you'll gain: Performance Analysis, Goal Setting, Performance Measurement, Team Performance Management, Goal-Oriented, Smart Goals, Performance Metric, Performance Management, Performance Improvement, Employee Performance Management, Key Performance Indicators (KPIs), Business Priorities, Prioritization, Organizational Strategy
★ 4.9 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Development, Performance Tuning
Intermediate · Course · 3 - 6 Months