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.

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

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

Duke University
Skills you'll gain: Object Oriented Programming (OOP), Java, Object Oriented Design, Java Programming, Software Engineering, Programming Principles, Computer Programming, Software Development Tools, Software Design, Predictive Modeling, Algorithms, Data Structures, Markov Model, Performance Tuning, Performance Testing, File I/O, Debugging, Application Programming Interface (API)
★ 4.6 (1.5K) · 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 Engineering Tools, Software Development Tools, JUnit, Development Testing, Data Ethics, Test Automation, Software Development Methodologies, Dataflow
★ 4.7 (159) · Intermediate · Course · 1 - 3 Months

University of London
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), C and C++, Object Oriented Design, File I/O, Programming Principles, Data Structures, Program Development, Data Modeling, FinTech
★ 4.8 (68) · Intermediate · 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

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

University of Colorado System
Skills you'll gain: Software Design, Systems Development Life Cycle, Software Development Life Cycle, Application Security, Technical Design, Security Engineering, Software Development Methodologies, Conceptual Design, Waterfall Methodology, Requirements Analysis, Agile Methodology
★ 4.6 (253) · Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Software Design Patterns, Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Software Design, Algorithms, Software Architecture, Computer Programming, Python Programming, Model View Controller
★ 4.5 (40) · Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Systems Thinking, Software Visualization, Software Engineering, Object Oriented Programming (OOP), Project Risk Management, Application Design, Object Oriented Design, Software Development Life Cycle, Risk Management, Software Development Methodologies, Software Design, Application Development, Business Logic, Software Development, Business Architecture, Usability, Risk Analysis, User Centered Design
★ 1.7 (11) · Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Object Oriented Design, Software Architecture, Software Design, Software Design Patterns, Object Oriented Programming (OOP), Software Development Life Cycle, Software Development, Software Engineering, Maintainability, Systems Architecture, Program Development, Service Oriented Architecture, Technical Design, Web Services, Model View Controller, Event-Driven Programming, User Interface (UI), Distributed Computing
Intermediate · Course · 1 - 3 Months