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.
LearnQuest
Skills you'll gain: Java Programming, Spring Framework, Java, Eclipse (Software), Object Oriented Programming (OOP), Object Oriented Design, Integrated Development Environments, Development Environment, Java Platform Enterprise Edition (J2EE), Software Design, Software Installation, Computer Programming, Programming Principles, Program Development, Virtual Machines, Web Development, Debugging, Package and Software Management, Data Structures, File Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Django (Web Framework), Responsive Web Design, HTML and CSS, Back-End Web Development, Relational Databases, Object Oriented Programming (OOP), Database Management Systems, Bootstrap (Front-End Framework), SQL, Database Design, Databases, Front-End Web Development, Database Administration, Unit Testing, MySQL, Debugging, Web Development, Computer Programming, Pseudocode, Communication
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Storyboarding, Wireframing, Information Architecture, Figma (Design Software), User Story, User Experience Design, User Centered Design, Prototyping, User Interface (UI), Usability, Mockups, Persona (User Experience)
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: JUnit, Java Programming, Object Oriented Programming (OOP), Object Oriented Design, Java, Unit Testing, Debugging, Maintainability, Software Development, Secure Coding, Software Testing, Programming Principles, Computer Programming, Test Case, Application Development, Authentications, Application Security, Android Development, Cryptography, Software Design Patterns
Beginner · Specialization · 1 - 3 Months

University of California San Diego
Skills you'll gain: Graph Theory, Data Structures, Java Programming, Java, Object Oriented Design, Software Design, Algorithms, Object Oriented Programming (OOP), Network Routing, Computational Thinking, Application Development, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Spring Framework, Web Applications, Java Platform Enterprise Edition (J2EE), Java, Object Oriented Design, Back-End Web Development, Authentications, Application Development, Software Design, Database Design, Model View Controller, Databases
Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Eclipse (Software), Java, Java Programming, Integrated Development Environments, Development Environment, Software Installation, Computer Programming, Programming Principles, Program Development, Object Oriented Programming (OOP)
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Object Oriented Programming (OOP), JSON, Object Oriented Design, Unit Testing, Python Programming, Software Testing, Data Structures
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: C# (Programming Language), Object Oriented Programming (OOP), Microsoft Visual Studio, Debugging, .NET Framework, Object-Relational Mapping, Full-Stack Web Development, Development Environment, Software Testing, Application Development, Command-Line Interface, Data Structures
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Jest (JavaScript Testing Framework), Web Development Tools, Javascript, Unit Testing, Web Applications, Object Oriented Programming (OOP), Scripting Languages, Event-Driven Programming, Node.JS, Scripting, JSON, Computer Programming, Data Structures, Debugging, Package and Software Management, Program Development, Front-End Web Development, Functional Design
Beginner · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Go (Programming Language), Data Structures, C and C++, C (Programming Language), Object Oriented Programming (OOP), Programming Principles, Software Design Patterns, Debugging, Computer Programming, Object Oriented Design, Unit Testing, Integrated Development Environments, Algorithms, Pseudocode, Command-Line Interface, Graph Theory, Computer Science, File Systems, Artificial Intelligence
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Object Oriented Design, Unity Engine, Debugging, Object Oriented Programming (OOP), Game Design, Video Game Development, Software Design Patterns, Data Structures, C# (Programming Language), Prototyping, Graph Theory, Computer Programming, Data Management, Event-Driven Programming, Software Architecture, Application Design, Algorithms, Computational Thinking, Data Storage, Application Development
Beginner · Specialization · 3 - 6 Months