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.

Skills you'll gain: Canva (Software), Color Theory, Sales, Marketing Collateral, Design, Sales Strategy, Marketing Materials, Layout Design, Digital Design, Intellectual Property, Graphic and Visual Design Software, Product Design, Marketing
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Usability Testing, Usability, Human Centered Design, Software Testing, Human Factors, User Acceptance Testing (UAT), Surveys, Human Computer Interaction, Software Quality (SQA/SQC), Test Planning, Technical Communication, User Experience Design, User Interface (UI), UI/UX Research, User Research, Web Content Accessibility Guidelines, User Experience, Risk Management Framework, Stakeholder Engagement, Law, Regulation, and Compliance
Advanced · Specialization · 1 - 3 Months

Skills you'll gain: Blockchain, Secure Coding, Penetration Testing, Front-End Web Development, Application Development, Application Design, Security Testing, Application Security, Development Environment, Web Development, Software Development Tools, Cyber Security Assessment, Payment Systems, Continuous Monitoring, Authorization (Computing), User Interface (UI), Incident Response, Role-Based Access Control (RBAC), Application Deployment, Transaction Processing
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, Agentic systems, Development Environment, Model Evaluation, OpenAI, Artificial Intelligence, Scalability, Applied Machine Learning, Performance Tuning, Design
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Javascript, Web Development, Angular, Vue.JS, Application Development, React.js, Web Applications, JSON, Event-Driven Programming, Object Oriented Programming (OOP), Programming Principles, Computer Programming, Data Structures, Software Engineering, Functional Design, Computer Science
Intermediate · Course · 1 - 3 Months

Skills you'll gain: User Story, Project Management, Risk Management, Kanban Principles, Project Planning, Agile Project Management, Agile Software Development, Cost Management, Project Management Office (PMO), Backlogs, Scaled Agile Framework, Agile Methodology, Scope Management, Team Leadership, Project Estimation, Earned Value Management, Requirements Management, Sprint Planning, Organizational Structure, Sprint Retrospectives
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: IntelliJ IDEA, Debugging, Software Design, User Interface (UI), Integrated Development Environments, Java, Program Development, Application Design, Object Oriented Programming (OOP), User Interface (UI) Design, Data Validation, Software Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Supply Chain, Logistics, Supply Chain Management, Supply Chain Planning, Performance Measurement, Transportation Operations, Operations Management, Sustainable Business, Customer Relationship Building, Corporate Sustainability, Customer Relationship Management, Procurement, Warehouse Management, Supplier Relationship Management, Enterprise Risk Management (ERM), Inventory Control
Mixed · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Construction, Construction Management, Construction Inspection, Construction Engineering, Construction Estimating, Cost Estimation, Structural Engineering, Engineering Practices, Commercial Construction, Building Codes, Engineering Plans And Specifications, Assembly Drawing, Structural Analysis, Engineering Calculations, Design Specifications, Blueprint Reading, Technical Drawing, Safety Standards
Intermediate · Course · 1 - 3 Months

University of Virginia
Skills you'll gain: Model View Controller, Debugging, Integrated Development Environments, Software Design, User Interface (UI), Responsive Web Design, HTML and CSS, Data Modeling, Database Design, Web Design and Development, Software Development Tools, NoSQL, Database Architecture and Administration, Application Programming Interface (API), UI Components, OpenAI, ChatGPT, Web Applications, Version Control, Programming Principles
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Mathematical Modeling, Control Systems, Network Model, Mechanical Engineering, Systems Analysis, Automation, Real-Time Operating Systems, Differential Equations, Safety Assurance, Verification And Validation
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Power Electronics, Control Systems, Electric Power Systems, Electronics Engineering, Electrical Engineering, Electronics, Simulations, Mathematical Modeling
Build toward a degree
Intermediate · Course · 1 - 4 Weeks