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 California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Software Design Patterns, Computer Programming, Algorithms, C (Programming Language), Software Design, Program Development, Graph Theory, Code Reusability, Computational Logic, Artificial Intelligence, Data Structures, Memory Management, File I/O, Simulations
★ 4.5 (9.6K) · Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Eclipse (Software), Java Programming, Object Oriented Programming (OOP), Software Development Tools, Java, Computer Programming Tools, Object Oriented Design, Integrated Development Environments, Development Environment, Computer Programming, Programming Principles, Virtual Machines, Algorithms
★ 4.4 (638) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Persistence, Object Oriented Design, Java, Java Programming, File Management, Memory Management, Code Reusability, Application Development, Maintainability, Computer Programming, Software Design, Development Environment, Program Development, Application Design, Programming Principles, Computer Programming Tools, Data Structures, Integrated Development Environments
★ 4.6 (247) · Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), Javascript, Responsive Web Design, Web Design and Development, Ajax, Front-End Web Development, Bootstrap (Front-End Framework), Hypertext Markup Language (HTML), Web Design, Web Development, Web Development Tools, Development Environment, JSON, Web Applications, Frontend Performance, Browser Compatibility, Object Oriented Programming (OOP), Event-Driven Programming, User Interface and User Experience (UI/UX) Design
★ 4.7 (17K) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Wrangling, Exploratory Data Analysis, Database Design, Ggplot2, Data Presentation, Data Visualization Software, Data Visualization, Relational Databases, Statistical Visualization, Data Collection, Interactive Data Visualization, Predictive Modeling, Statistical Analysis, Microsoft Excel, Analytical Skills, R (Software), Excel Formulas, Data Cleansing, Data Manipulation
★ 4.7 (32K) · Beginner · Professional Certificate · 3 - 6 Months

Yale University
Skills you'll gain: Mindfulness, Meditation & Breathwork, Habit Formation, Positivity, Self-Awareness, Resilience, Behavioral Health, Compassion, Goal Setting, Mental Health, Psychology, Productivity, Time Management, Prioritization, Action Oriented, Decision Making
★ 4.9 (40K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: C# (Programming Language), .NET Framework, JSON, ASP.NET, Application Deployment, Maintainability, File I/O, Data Persistence, Application Frameworks, Application Development, Object-Relational Mapping, Database Application, SQL, Extensible Languages and XML, Extensible Markup Language (XML), Programming Principles, Back-End Web Development, Object Oriented Programming (OOP), Object Oriented Design, Web Development
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Debugging, Bioinformatics, Java, Algorithms, Java Programming, Program Development, Object Oriented Design, Programming Principles, Statistical Analysis, Software Design, Computer Programming, File I/O, Data Processing, Software Documentation, Data Manipulation, Object Oriented Programming (OOP), Data Analysis, Descriptive Statistics, Web Scraping, Problem Solving
★ 4.6 (8.1K) · Beginner · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Excel Formulas, Dashboard, Microsoft Excel, Dashboard Creation, Data Wrangling, Excel Macros, Data Preprocessing, Spreadsheet Software, Data Validation, Data Manipulation, Data Processing, Data Presentation, Interactive Data Visualization, Data Analysis Software, Business Analytics, Data Modeling, Financial Forecasting, Analytical Skills, Predictive Modeling, Productivity Software
★ 4.9 (64K) · Beginner · Specialization · 3 - 6 Months
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Programming Principles, Object Oriented Programming (OOP), Functional Design, Data Structures, Code Reusability, Computational Logic
★ 4.8 (8.3K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: User Story, Cloud Infrastructure, Cloud Platforms, Agile Software Development, Scrum (Software Development), Agile Methodology, Cloud Computing, Cloud Computing Architecture, Kanban Principles, DevOps, Backlogs, Cloud Services, Cloud Development, Cloud Deployment, Sprint Retrospectives, Cloud Security, Cloud-Native Computing, Devops Tools, Continuous Integration, CI/CD
★ 4.7 (14K) · Beginner · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Secure Coding, Java Programming, Maintainability, Hardening, Java, Software Design Patterns, Application Security, Software Design, Data Structures, Object Oriented Design, Software Architecture, Performance Tuning, Memory Management, API Design, Code Reusability, Object Oriented Programming (OOP), Web Servers, Application Programming Interface (API), Software Development, Virtualization
Intermediate · Specialization · 3 - 6 Months