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 Pennsylvania
Skills you'll gain: Object Oriented Design, Java, Object Oriented Programming (OOP), Unit Testing, Java Programming, Application Development, Data Structures, Application Design, Software Testing, Test Driven Development (TDD), Computer Programming
★ 4.5 (335) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: C++ (Programming Language), File I/O, Object Oriented Programming (OOP), Computer Programming, Memory Management
Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Computer Programming, Programming Principles, File I/O, Command-Line Interface
★ 4.7 (191) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Unified Modeling Language, JUnit, Software Testing, Java, Java Programming, Software Design, Test Driven Development (TDD)
★ 4 (19) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Computer Programming
★ 4.7 (213) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), C# (Programming Language), .NET Framework, Code Reusability, Program Development
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Unified Modeling Language, Unit Testing, Software Design, Data Flow Diagrams (DFDs), Software Development Tools, Test Automation, Dataflow
★ 4.7 (159) · Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Software Design, Software Development Life Cycle
★ 4.6 (253) · Mixed · Course · 1 - 3 Months

Amazon
Skills you'll gain: File I/O, Object Oriented Programming (OOP), Object Oriented Design, Code Reusability, Java Programming, Java, File Management
★ 4.3 (95) · Beginner · Course · 1 - 4 Weeks

Jordan University of Science and Technology
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, C# (Programming Language), Program Development, C++ (Programming Language), Data Structures, Software Development, Computer Programming, Programming Principles, Java, Query Languages
★ 3.8 (19) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Object Oriented Programming (OOP), Software Documentation, Technical Documentation, Maintainability, Programming Principles, Software Design, Python Programming
★ 4.6 (16) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: File I/O, Databases, Code Reusability, Data Validation
Intermediate · Course · 3 - 6 Months