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: Application Security, Vulnerability Assessments, Software Design, Threat Modeling, Vulnerability Management, Security Engineering, Secure Coding, Software Design Patterns, Software Architecture, Threat Management, Software Visualization, Exploitation techniques, Cryptography, Blockchain, Public Key Cryptography Standards (PKCS)
★ 4.6 (94) · Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Database Design, Software Design, User Experience Design, Database Theory, UI/UX Research, Usability Testing, User Interface and User Experience (UI/UX) Design, Relational Databases, Software Visualization, Software Architecture, Software Design Patterns, Systems Design, User Interface (UI) Design, Application Security, Design Strategies, Other Programming Languages, Servers, Operating Systems
★ 4.7 (135) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: C and C++, Object Oriented Programming (OOP), C++ (Programming Language), Data Validation, Data Integrity, Computer Programming, Computer Science
★ 4.8 (230) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Unity Engine, Video Game Development, Object Oriented Programming (OOP), Object Oriented Design, Game Design, C# (Programming Language), Code Reusability, Event-Driven Programming, File I/O, UI Components, User Interface (UI), Data Import/Export, Data Persistence, Configuration Management
★ 4.6 (331) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Python Programming, Computer Programming, Programming Principles, Functional Design, Code Reusability, Algorithms, Data Structures, Data Mapping
★ 4.8 (21) · Mixed · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Spring Framework, Object-Relational Mapping, Cloud Security, Java, Java Programming, Scalability, Secure Coding, Cloud Services, Web Services, Cloud Computing, JSON, Cloud Deployment, Application Frameworks, Java Platform Enterprise Edition (J2EE), Data Security, Web Servers, Object Oriented Design, Systems Architecture, Application Deployment, Network Protocols
★ 4.3 (252) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Computer Programming, Data Import/Export, Data Structures, Python Programming, Data Persistence, Computational Logic, Computer Science, Data Storage, File Management
★ 4.5 (485) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: GitHub Copilot, Object Oriented Design, Object Oriented Programming (OOP), Game Design, Unit Testing, Python Programming, AI Enablement, Program Development, GitHub, Development Environment, Debugging
★ 4.7 (11) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Apache Maven, File I/O, Build Tools, Data Import/Export, Object Oriented Programming (OOP), JSON, Java Programming, Debugging, Object Oriented Design, JUnit, Code Reusability, Software Documentation, Programming Principles, Data Structures, File Systems, Computer Programming, Web Services, File Management, Java, Computer Science
★ 4.5 (197) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Design, Ruby (Programming Language), Performance Tuning, Data Persistence, Secure Coding, File I/O, Maintainability, Application Design, Software Engineering, Application Development, Object Oriented Programming (OOP), Code Reusability, Application Security, Performance Testing, Unit Testing, Application Lifecycle Management, Dataflow, Scalability, Software Design, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: File I/O, Memory Management, Debugging, C and C++, C++ (Programming Language), Software Documentation, Development Testing, Code Reusability, Vibe coding, Programming Principles, API Design, Program Development, Pseudocode, Software Architecture, Software Design, Functional Design, Maintainability, Performance Tuning, Generative AI Agents, Application Design
★ 4.5 (22) · 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), Object Oriented Design, Data Validation, Programming Principles, Computer Programming, Data Integrity, Data Structures, Code Reusability, File Management, Data Store, Memory Management, Software Documentation, Computer Science, Maintainability, Computational Logic, Development Environment
★ 4.6 (1.3K) · Beginner · Specialization · 3 - 6 Months