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 California San Diego
Skills you'll gain: Student Engagement, Algorithms, Diversity Awareness, K-12 pedagogy, Facebook, Instructional Strategies, Programming Principles, Data Storage, Software Engineering, Geographic Information Systems, Image Analysis, Lesson Planning, Computer Science, Theoretical Computer Science, Social Impact
Beginner · Course · 1 - 3 Months

Rutgers the State University of New Jersey
Skills you'll gain: Employee Engagement, Diversity Equity and Inclusion Initiatives, Social Justice, Compensation Strategy, Case Studies, Compensation and Benefits, Economics, Policy, and Social Studies, Economic Development, Collaboration, Entrepreneurship, Governance, Business Modeling, Leadership and Management, Business Transformation, Succession Planning, Research, Business Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: API Design, Restful API, Application Programming Interface (API), Application Deployment, Spring Boot, Spring Framework, Back-End Web Development, Data Modeling, Database Design, Software Architecture, Object-Relational Mapping, System Configuration, Data Persistence, Business Logic
Mixed · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Construction Engineering, Structural Engineering, Building Codes, Construction Management, Engineering Practices, Civil Engineering, Structural Analysis, Engineering Design Process, Engineering Calculations, Engineering Analysis
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Game Design, Android Development, Unity Engine, Video Game Development, 3D Assets, Mobile Development, User Interface (UI), Debugging, C# (Programming Language), Scripting, Software Testing, User Interface (UI) Design, Development Environment, Animations, Object Oriented Programming (OOP)
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Responsible AI, Database Management, Back-End Web Development, OpenAI API, Generative AI, Performance Tuning, API Design, Prompt Engineering, Application Programming Interface (API), Databases, Artificial Intelligence, Risk Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microservices, Node.JS, API Gateway, Application Deployment, Software Architecture, Cloud Applications, Application Design, Web Services, Restful API, Communication Strategies
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Global Positioning Systems, Journalism, Music, Political Sciences, Entrepreneurship, Systems Engineering, Culture, Aerospace Basic Quality System Standards, Media and Communications, International Relations, Governance, Higher Education, Public Policies, Physical Science, Liberal Arts, Geographic Information Systems, Physics, Engineering Design Process, Environmental Science, Writing
Beginner · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Manufacturing Processes, Equipment Design, Manufacturing and Production, Systems Of Measurement, Process Analysis, Process Control, Materials science, Laboratory Testing, Safety Training
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Graph Theory, C++ (Programming Language), Network Routing, Data Structures, Object Oriented Programming (OOP), File I/O, Computational Thinking, Algorithms
Intermediate · Guided Project · Less Than 2 Hours

EDUCBA
Skills you'll gain: Ajax, Web Design, Java Platform Enterprise Edition (J2EE), Cascading Style Sheets (CSS), Web Applications, Scripting, Javascript and jQuery, Web Development, Java, Hypertext Markup Language (HTML), Middleware, Model View Controller, Hibernate (Java), Service Oriented Architecture
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Business Planning, Market Analysis, Process Design, Cost Management
Mixed · Course · 1 - 4 Weeks