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: Apache Maven, Software Development Life Cycle, Unified Modeling Language, Object Oriented Programming (OOP), Build Tools, CI/CD, Object Oriented Design, Software Development Methodologies, Jenkins, Continuous Integration, Agile Methodology, Software Development Tools, Version Control, Software Design Patterns, Software Development, Test Driven Development (TDD), Computational Thinking, Cloud Development, Continuous Delivery, Programming Principles
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Game Design, Object Oriented Programming (OOP), Video Game Development, C# (Programming Language), Computer Graphics, Debugging, User Interface (UI)
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, HTML and CSS, Data Structures, Spring Boot, Eclipse (Software), Restful API, Java Programming, JavaScript Frameworks, Object Oriented Programming (OOP), Model View Controller, Hypertext Markup Language (HTML), Java, Front-End Web Development, Spring Framework, Object Oriented Design, Web Services, Integrated Development Environments, Software Design Patterns, Cascading Style Sheets (CSS), Javascript
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Software Architecture, Systems Development Life Cycle, Systems Architecture, Systems Thinking, Software Design Patterns, Stakeholder Communications, Systems Analysis, Application Design
Beginner · Course · 1 - 3 Months

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

University of Michigan
Skills you'll gain: Data Processing, Web Scraping, Data Store, Relational Databases, Data Visualization, Database Design, SQL, Restful API, Databases, Web Services, JSON, Interactive Data Visualization, Extensible Markup Language (XML), Data Structures, Data Modeling, Programming Principles, Database Management, Data Analysis, Python Programming, Computer Programming
Build toward a degree
Beginner · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Unified Modeling Language, JSON, Object Oriented Programming (OOP), Software Design, Debugging, Object Oriented Design, Data Processing, Web Scraping, Unit Testing, Programming Principles, Python Programming, Data Import/Export, Restful API, Image Analysis, Data Manipulation, Jupyter, Computer Programming, Data Structures, Software Engineering, File Management
Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Java Programming, Object Oriented Programming (OOP), Object Oriented Design, Java, Maintainability, Programming Principles, Computer Programming, Application Development, Android Development, Software Design Patterns, Debugging
Beginner · Course · 1 - 4 Weeks
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

Northeastern University
Skills you'll gain: Systems Thinking, Software Visualization, Object Oriented Design, Case Studies, Data Modeling, Software Engineering, Object Oriented Programming (OOP), Software Design, Program Development, Systems Design, Business Modeling, Technical Design, Complex Problem Solving
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Hibernate (Java), Object-Relational Mapping, CI/CD, Spring Boot, Restful API, Java Programming, Integration Testing, Continuous Integration, Database Development, Application Security, Java, Containerization, SQL, Databases, Application Frameworks, NoSQL, Docker (Software), Kubernetes, Test Driven Development (TDD), Object Oriented Design
Beginner · Specialization · 1 - 3 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