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 Michigan
Skills you'll gain: Memory Management, C and C++, C++ (Programming Language), C (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Data Structures, Software Design, Python Programming, Java, Algorithms, Performance Tuning
★ 4.5 (13) · Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Database Design, Software Design, Application Security, Vulnerability Assessments, Unified Modeling Language, Unit Testing, Threat Modeling, User Interface and User Experience (UI/UX) Design, Usability Testing, Vulnerability Management, Data Flow Diagrams (DFDs), Security Engineering, Software Architecture, Secure Coding, Software Design Patterns, Database Management, Software Engineering Tools, Security Software, Systems Development Life Cycle, Software Development Life Cycle
★ 4.6 (438) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Persistence, Object Oriented Design, Java, Java Programming, Maintainability, Data Store, Software Design, Application Development, Data Import/Export, Data Management, Data Validation
★ 4.4 (20) · Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Object Oriented Design, Java Programming, Code Reusability, Application Design, Solution Design, Design Strategies, Design Elements And Principles
★ 4.7 (33) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Software Design Patterns, Unified Modeling Language, Software Design, Java, Java Programming, Software Architecture, User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, API Design, Software Development, Diagram Design
Intermediate · Course · 1 - 3 Months

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

Arizona State University
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Event-Driven Programming, Python Programming, User Interface (UI), Computer Programming, Application Development, User Interface (UI) Design, Graphical Tools, Code Reusability
★ 3.7 (16) · Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Python Programming, Code Reusability, Computer Programming, Programming Principles, Scripting, Scripting Languages, Software Development
Mixed · Course · 1 - 4 Weeks

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

University of Michigan
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Animations, Software Design, Data Structures, Visualization (Computer Graphics), Interactive Design, Programming Principles, Computer Graphic Techniques, Python Programming, Graphic and Visual Design, Event-Driven Programming, Digital Design, Simulations, Computer Graphics, Design, Graphical Tools, Game Design, Computational Logic, Computational Thinking
★ 5 (7) · Beginner · Specialization · 3 - 6 Months

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

Skills you'll gain: Embedded Software, Embedded Systems, C and C++, C++ (Programming Language), Object Oriented Design, Object Oriented Programming (OOP), Development Testing, System Programming, C (Programming Language), Development Environment, Verification And Validation, Integrated Development Environments, Computer Programming Tools, Code Reusability, System Configuration, Peripheral Devices, Software Installation
Intermediate · Course · 1 - 3 Months