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.

Vanderbilt University
Skills you'll gain: Generative AI Agents, Debugging, TypeScript, Agentic systems, AI Workflows, Node.JS, OpenAI API, Generative AI, Program Development, Artificial Intelligence, LLM Application, Programming Principles, Maintainability, Development Environment, Prompt Engineering, Application Frameworks, Javascript, Large Language Modeling, File Systems
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Case Studies, Collaboration, Professional Networking, Leadership and Management, Professionalism, Teamwork, Team Leadership, Professional Development, Leadership, Business Leadership, Relationship Building, Branding, Personal Attributes, Goal Setting, Mentorship, Adaptability
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Frontend Integration, Application Programming Interface (API), Secure Coding, Cloud Deployment, JavaScript Frameworks, Frontend Performance, Database Development, Maintainability, Node.JS, Server Side, Authentications, Application Performance Management
Beginner · Specialization · 1 - 3 Months

Illinois Tech
Skills you'll gain: Model Evaluation, Statistical Analysis, Data Visualization, Data Analysis, Exploratory Data Analysis, Data Cleansing, Analytics, Machine Learning, Data Preprocessing, Regression Analysis, Data Mining, Python Programming, Scikit Learn (Machine Learning Library), Unsupervised Learning, Classification And Regression Tree (CART), Decision Tree Learning, Logistic Regression
Build toward a degree
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Business Process Improvement, Process Optimization, Quality Assurance, Digital Transformation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: PHP (Scripting Language), File I/O, Web Applications, Usability, Information Architecture, Responsive Web Design, Hypertext Markup Language (HTML), Front-End Web Development, MySQL, Web Design and Development, User Experience Design, Browser Compatibility, User Interface (UI), HTML and CSS, Verification And Validation, User Interface (UI) Design, Server Side, Semantic Web, Back-End Web Development, Javascript
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Selenium (Software), Ajax, Java Programming, Test Script Development, Java, Software Testing, Test Automation, Scripting, Web Development Tools, Object Oriented Programming (OOP), Automation, Debugging
Intermediate · Course · 3 - 6 Months

University of California, Davis
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Cascading Style Sheets (CSS), GitHub, Front-End Web Development, Web Applications, Web Development, Mobile Development, User Interface (UI) Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Adobe Illustrator, Document Management, File Management, Adobe Creative Cloud, Graphic and Visual Design, Graphic Design, Graphic and Visual Design Software, Visual Design, Cloud Storage, Workflow Management, Computer Graphic Techniques, Design Strategies, Creative Thinking, Creative Problem-Solving, Scalability
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: JavaScript Frameworks, UI Components, Full-Stack Web Development, React.js, TypeScript, Front-End Web Development, Web Development, Web Applications, Frontend Performance, Server Side, User Interface and User Experience (UI/UX) Design, Software Development, Routing Protocols
Intermediate · Course · 1 - 4 Weeks

Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Instagram, Social Media Content, Graphic Design, Graphic and Visual Design, Social Media Marketing, Organizational Skills, Marketing Design, Typography, Color Theory, Business Strategy
Beginner · Guided Project · Less Than 2 Hours