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.

Meta
Skills you'll gain: React Native, Jest (JavaScript Testing Framework), User Research, Version Control, GitHub, UI/UX Research, Usability Testing, Git (Version Control System), Restful API, Unix Commands, Persona (User Experience), Interaction Design, User Experience Design, SQL, User Interface and User Experience (UI/UX) Design, Command-Line Interface, Mobile Development, React.js, Web Development Tools, Javascript
★ 4.6 (11K) · Beginner · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: File I/O, C# (Programming Language), Object Oriented Design, Object Oriented Programming (OOP), Data Persistence, .NET Framework, Integrated Development Environments, Code Reusability, Programming Principles, Debugging, Program Development, Development Environment, Software Development, Mobile Development, Unit Testing, Git (Version Control System), Version Control, GitHub, Web Development, Problem Solving
Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Prompt Engineering, ChatGPT, Prompt Patterns, AI Workflows, AI powered creativity, Responsible AI, Data Visualization, Document Management, Ideation, Verification And Validation, Data Presentation, LLM Application, AI literacy, AI Enablement, Generative AI, Risking, Multimodal Prompts, Artificial Intelligence, Data Compilation, Large Language Modeling
★ 4.8 (9.4K) · Beginner · Specialization · 1 - 3 Months

EDUCBA
Skills you'll gain: JUnit, Test Automation, Unit Testing, Java Programming, Java, Test Script Development, Verification And Validation, Test Tools, Software Testing, Test Execution Engine, Development Testing, Quality Assurance, Software Quality Assurance, System Testing, Application Development, Test Case, Data Validation, Application Design, Automation, Software Development
★ 4.9 (20) · Beginner · Specialization · 1 - 3 Months
Madecraft
Skills you'll gain: Object Oriented Programming (OOP), Python Programming, IT Automation, Programming Principles, Computer Programming, Jupyter, Data Structures, Code Reusability, Computational Thinking, Development Environment, Algorithms, Data Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: AI powered creativity, Visual Storytelling, Multimodal Prompts, Generative AI, AI literacy, AI Personalization, Creative Design, Ideation, Artificial Intelligence, Google Workspace
★ 4.6 (582) · Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Web Scraping, Web Services, Restful API, JSON, Extensible Markup Language (XML), Network Protocols, Extensible Languages and XML, Application Programming Interface (API), Data Access, Hypertext Markup Language (HTML), Python Programming, Software Installation, Development Environment
★ 4.8 (45K) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Business Intelligence, Database Design, Business Intelligence Software, Decision Support Systems, Data Warehousing, Database Development, Relational Databases, Data Modeling, Performance Measurement, Database Software, Database Management Systems, Database Management, SQL, Star Schema, Business Analytics, Dashboard, Data Governance, Data Integration, Dashboard Creation, Data Visualization
★ 4.5 (4.1K) · Advanced · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Business Transformation, Innovation, Digital Transformation, Data Ethics, Cloud Infrastructure, Cloud Platforms, Google Cloud Platform, Culture Transformation, Cloud Services, Cloud Computing, Technology Strategies, Cloud Computing Architecture, Cloud Security, Cloud Deployment, Data Mapping, Applied Machine Learning, Model Training, Cloud Hosting, Image Analysis, Cloud Solutions
★ 4.7 (7.6K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: React Native, Android Studio, Restful API, User Research, Version Control, GitHub, UI/UX Research, Usability Testing, Jest (JavaScript Testing Framework), Git (Version Control System), Data Structures, Kotlin, Android Jetpack, Android Development, Unix Commands, Persona (User Experience), Interaction Design, Mobile Development, Code Reusability, Javascript
★ 4.6 (9.3K) · Beginner · Professional Certificate · 3 - 6 Months

University of California San Diego
Skills you'll gain: Algorithms, Debugging, Theoretical Computer Science, Computational Thinking, Program Development, Software Testing, Computer Programming, Analysis, Solution Design, Design Strategies, Data Processing, Model Optimization, Bioinformatics, Scalability
★ 4.6 (13K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Docker (Software), Containerization, Microservices, Spring Boot, Restful API, Spring Framework, CI/CD, Data Persistence, Software Architecture, Software Design, Distributed Computing, Development Testing, Software Design Patterns, Software Documentation, Application Programming Interface (API), Software Testing, API Testing, Java Programming, API Design, Persistence
Intermediate · Course · 1 - 3 Months