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 Colorado System
Skills you'll gain: Database Design, Software Design, Usability Testing, User Interface and User Experience (UI/UX) Design, Software Architecture, Software Design Patterns, Database Management, Systems Design, Application Security, Design Strategies, Operating Systems
Intermediate · Course · 1 - 3 Months

University of London
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), C and C++, File I/O, Programming Principles, Data Structures
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Application Security, Vulnerability Assessments, Software Design, Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, Software Design Patterns, Software Architecture, Cryptography, Blockchain, Public Key Cryptography Standards (PKCS)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), C and C++, Programming Principles, Computer Programming, Software Documentation, Functional Design, Computer Science, Maintainability
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Spring Framework, Object-Relational Mapping, Cloud Security, Java, Scalability, Cloud Applications, Web Services, Cloud Services, Cloud Computing, JSON, Java Platform Enterprise Edition (J2EE), Data Security, Restful API, Object Oriented Design, Database Design, Systems Architecture, Software Design, Dependency Analysis, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Programming Principles, Computer Programming, Scripting Languages, Data Import/Export, Data Structures, Python Programming, Integrated Development Environments, Scripting, Data Persistence, Computational Logic, Computer Science, File Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Design, Microsoft Copilot, Game Design, Software Design, Application Design, Unit Testing, Python Programming, AI Enablement, GitHub, Development Environment, Debugging
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Apache Maven, File I/O, Data Import/Export, Object Oriented Programming (OOP), JSON, Java Programming, Debugging, Object Oriented Design, JUnit, Software Documentation, Data Structures, Computer Programming, Restful API, Integrated Development Environments, Java, Programming Principles, Data Validation, Network Protocols, Unit Testing, Computer Science
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Java, Java Programming, Object Oriented Programming (OOP), Spring Boot, Hibernate (Java), Object Oriented Design, Spring Framework, Database Management, Computer Programming, Web Development, Authorization (Computing), Restful API, Debugging, Programming Principles
Beginner · Course · 3 - 6 Months

Skills you'll gain: Object Oriented Design, Ruby (Programming Language), Performance Tuning, Data Persistence, Maintainability, Application Design, Software Engineering, Development Environment, Application Development, Application Security, Unit Testing, Scalability, Software Design, Debugging, Application Deployment, Software Configuration Management, Business Logic
Beginner · Course · 1 - 3 Months

Skills you'll gain: Debugging, C++ (Programming Language), Software Documentation, API Design, Program Development, Pseudocode, Software Architecture, Software Design, Maintainability, Computational Thinking, System Programming, Data Structures, Programming Principles, Computer Programming, Generative AI Agents, Integrated Development Environments, Technical Documentation, Generative AI, Application Development, Data Validation
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: File I/O, C and C++, Data Import/Export, C++ (Programming Language), Object Oriented Programming (OOP), Data Validation, Object Oriented Design, Programming Principles, Computer Programming, Data Structures, File Management, Integrated Development Environments, Data Store, Software Documentation, Computer Science, Functional Design, Pseudocode, Maintainability
Beginner · Specialization · 3 - 6 Months