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.

LearnKartS
Skills you'll gain: Ajax, Javascript, Object Oriented Programming (OOP), JavaScript Frameworks, Frontend Integration, Application Programming Interface (API), JSON, Front-End Web Development, Web Development, Full-Stack Web Development, Web Applications, Frontend Performance, Web Development Tools, Object Oriented Design, Application Development, Build Tools, Program Development, Code Reusability, Debugging, Development Environment
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Full-Stack Web Development, Javascript, Web Development Tools, Jest (JavaScript Testing Framework), Web Design and Development, Object Oriented Programming (OOP), Web Development, Application Programming Interface (API), HTML and CSS, Back-End Web Development, Web Applications, JSON, Restful API, Event-Driven Programming, Application Development, Application Deployment, Unit Testing, Programming Principles, Data Structures, Prototyping
★ 5 (6) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Unreal Engine, Game Design, Video Game Development, Animation and Game Design, Hypertext Markup Language (HTML), HTML and CSS
★ 4.5 (12) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Software Architecture, Solution Architecture, Enterprise Architecture, Information Technology Architecture, Microservices, Service Oriented Architecture, Software Design, Business Process Modeling, Software Design Patterns, Security Architecture Review, Technology Strategies, Event-Driven Programming, Business Modeling, Serverless Computing, Digital Transformation, Scalability, Distributed Computing, Context Management, Restful API, Innovation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Logo Design, Graphic Design, Graphic and Visual Design, Color Theory, Design, Graphic and Visual Design Software, Creative Design, User Accounts, Digital Marketing
★ 4.2 (15) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Wireframing, Persona (User Experience), User Interface (UI), User Experience Design, Usability, User Interface (UI) Design, UI Components, Visual Design, Persona Development, Information Architecture, Web Design, Design, Design Elements And Principles
★ 4.4 (7) · Beginner · Guided Project · Less Than 2 Hours

National Taiwan University
Skills you'll gain: Building Information Modeling, Autodesk Revit, Engineering Management, Construction Estimating, Engineering Practices, Data Engineering, Autodesk, Application Lifecycle Management, Construction Management, Estimation, Design Software, Product Lifecycle Management, Construction Engineering, Cost Estimation, Computer-Aided Design, Simulation and Simulation Software, Software Visualization, Simulations
★ 4.7 (30) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Game Design, Object Oriented Programming (OOP), Video Game Development, Object Oriented Design, Computer Graphics, Computer Graphic Techniques, Visualization (Computer Graphics), Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Keras (Neural Network Library), Deep Learning, Model Training, Convolutional Neural Networks, Image Analysis, Tensorflow, Computer Vision, Applied Machine Learning, Predictive Modeling, Spatial Data Analysis, Machine Learning, Data Preprocessing, Python Programming
★ 4.6 (59) · Intermediate · Guided Project · Less Than 2 Hours

Institut Mines-Télécom
Skills you'll gain: Environment and Resource Management, Environmental Resource Management, Natural Resource Management, Sustainable Development, Sustainable Systems, Sustainable Design, Environmental Issue, Environmental Science, Environment, Sustainable Engineering, Sustainable Technologies, Political Sciences, Land Management, Waste Minimization, Energy and Utilities, Pollution Prevention, Governance, Resource Management, Policy Analysis, Research, and Development, Economics
★ 4.2 (11) · Beginner · Course · 1 - 4 Weeks

Wesleyan University
Skills you'll gain: Data Storytelling, Data Presentation, Exploratory Data Analysis, Data Analysis, Data Visualization, Research Reports, Statistical Reporting, Analytical Skills, Report Writing, Data Synthesis, Data Science, Data Management, Statistical Analysis, Data Manipulation, Descriptive Analytics, Descriptive Statistics, Research Methodologies, Research, Research Design
★ 4.8 (48) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Code Review, Object Oriented Design, Maintainability, Software Design Patterns, Software Design, Functional Design, Code Reusability, Continuous Integration, Test Automation, Software Quality (SQA/SQC), Test Driven Development (TDD), Debugging, Software Documentation, Programming Principles, Scalability, Quality Improvement, Python Programming, Continuous Improvement Process, Style Guides, Continuous Monitoring
Beginner · Course · 1 - 3 Months