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.

Scrimba
Skills you'll gain: JSON, UI Components, Application Deployment, Web Frameworks, Web Design and Development, Front-End Web Development, Information Architecture, Web Development Tools, Full-Stack Web Development, Web Development, HTML and CSS, Hypertext Markup Language (HTML), Content Management, Cascading Style Sheets (CSS), File Systems, Javascript
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Sampling (Statistics), Sample Size Determination, Data Collection, Surveys, Statistical Methods, Quantitative Research, Probability & Statistics, Research Design, Statistical Software
Beginner · Course · 1 - 3 Months

Skills you'll gain: Maintainability, Code Review, Testability, Debugging, Style Guides, Software Documentation, Software Design Patterns, Programming Principles, Quality Assurance
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Network Analysis, Social Network Analysis, Marketing Analytics, Unstructured Data, Semantic Web, Statistical Methods, Text Mining, Data Structures, JSON, Natural Language Processing, Data Visualization Software, Python Programming
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Sustainable Engineering, Cultural Diversity, Engineering Practices, Sustainable Technologies, Cultural Sensitivity, Data Ethics, Digital Transformation, Collaboration, Generative AI, Augmented and Virtual Reality (AR/VR), Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Cross-Functional Collaboration, Ethical Standards And Conduct
Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: API Gateway, GraphQL, Application Programming Interface (API), API Design, Microservices, CI/CD, Restful API, Cloud API, Node.JS, Application Performance Management, Scalability, Cloud Deployment, Secure Coding, Authentications, Containerization, Software Architecture, Real Time Data, Kubernetes, Event-Driven Programming
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Browser Compatibility, Performance Testing, Security Testing, Integration Testing, System Testing, API Testing, Development Environment, Software Testing, User Acceptance Testing (UAT), Acceptance Testing, Test Tools, Application Security, Test Automation, Responsive Web Design, Vulnerability Scanning, Web Applications, Docker (Software), User Interface (UI), Python Programming
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Presentations, Adaptability
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Data Sharing, Web Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: Tensorflow, Transfer Learning, Image Analysis, Keras (Neural Network Library), Convolutional Neural Networks, Applied Machine Learning, Deep Learning, Machine Learning
Beginner · Project · Less Than 2 Hours

Packt
Skills you'll gain: Rust (Programming Language), Package and Software Management, Data Structures, Software Installation, Test Data, Programming Principles, Maintainability, Debugging, Software Design Patterns, Integrated Development Environments, Command-Line Interface
Beginner · Specialization · 3 - 6 Months

Skillshare
Skills you'll gain: Photo Editing, Photography, Image Quality, Typography, Editing, Graphic and Visual Design, Post-Production, Color Theory, Storytelling, Automation, File Management
Beginner · Specialization · 3 - 6 Months