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.

Northeastern University
Skills you'll gain: Database Design, Database Theory, Data Modeling, Database Management Systems, Metadata Management, Databases, Data Management, Relational Databases, Unified Modeling Language, Data Governance, Enterprise Modeling, Data Integrity, Data Quality
Build toward a degree
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Pinterest, Content Creation, Marketing Materials, Business Intelligence, Social Media, Brand Awareness, User Accounts, Account Management, Graphic Design, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Whizlabs
Skills you'll gain: Amazon DynamoDB, NoSQL, Database Management Systems, Databases, Database Architecture and Administration, Redis, Data Store, Relational Databases, Database Management, Operational Databases, Real Time Data, Database Design, Performance Tuning, Transaction Processing, Scalability
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Full-Stack Web Development, Application Design, Webpack, React.js, Web Applications, Package and Software Management, Web Development, Version Control, Software Documentation, Web Development Tools, JavaScript Frameworks, Web Content Accessibility Guidelines, Application Deployment, Frontend Performance, Software Architecture, Cloud Deployment, Software Testing, Javascript, UI Components, Interactive Data Visualization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Development, Event-Driven Programming, Application Design, User Interface (UI), UI Components, Program Development, Data Import/Export, Development Environment, Data Integration, File I/O
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Prompt Engineering, Business Writing, ChatGPT, Social Media Content, Marketing Automation, Business Marketing, Copywriting, Email Automation, Writing, Social Media Campaigns, Marketing Communications, Business Ethics, Brainstorming, Content Creation, Content Strategy, Social Media Marketing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: 3D Modeling, 3D Assets, Computer Graphic Techniques, Virtual Environment, Visualization (Computer Graphics), Computer Graphics, Performance Tuning, Image Quality, Technical Design, Graphical Tools, Design Elements And Principles, Design, Creative Design, Aesthetics
Intermediate · Course · 3 - 6 Months
University of Alberta
Skills you'll gain: Sprint Planning, Agile Software Development, Product Demonstration, Agile Methodology, Requirements Analysis, Agile Project Management, Risk Management, Agile Product Development, Virtual Environment, Product Requirements, Product Management, Backlogs, Customer Communications Management, Customer Service, Presentations, User Story, Team Management, Prioritization
Mixed · Course · 1 - 3 Months
Skills you'll gain: GitLab, CI/CD, Application Deployment, Continuous Integration, Devops Tools, DevOps, Build Tools, Continuous Delivery, Continuous Deployment, Security Testing, Test Automation, DevSecOps, Unit Testing, Program Development, Secure Coding, Vulnerability Scanning
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Frontend Integration, Frontend Performance, Node.JS, Application Performance Management
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Game Design, Python Programming, Programming Principles, Event-Driven Programming, Computer Programming, Data Storage, Computer Science
Beginner · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: Data Persistence, API Design, API Testing, Routing Protocols, Javascript, Database Design, Development Environment
Intermediate · Course · 1 - 4 Weeks