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.

Edureka
Skills you'll gain: Restful API, Rust (Programming Language), API Design, Object-Relational Mapping, Back-End Web Development, System Programming, Web Frameworks, Web Services, Web Development, Web Servers, Software Documentation, Web Applications, Scalability, Database Management, Authentications, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Adobe Photoshop, Barcoding, Layout Design, Graphic Design, Marketing Collateral, Color Theory, Typography, Design Elements And Principles
Beginner · Guided Project · Less Than 2 Hours
Codio
Skills you'll gain: OAuth, Web Development Tools, Authentications, Web Servers, Application Programming Interface (API), Cloud API, Restful API, Server Side, JSON, Software Documentation, Javascript, Web Services, Application Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, DevOps, Data Integration, z/OS, IBM Cloud, Hybrid Cloud Computing, CI/CD, Mainframe Technologies, Mainframe Computing, Cloud Development, Cloud Applications, Enterprise Application Management, Application Deployment, Middleware, Data Access, Application Design, Containerization, Cloud API, Application Programming Interface (API), Computer Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kotlin, IntelliJ IDEA
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Animations, ChatGPT, Generative AI, Education Software and Technology, AI Personalization, Prompt Engineering, AI Product Strategy, Scripting, AI Workflows, Storyboarding
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Office, Educational Materials, Web Content Accessibility Guidelines, Technical Documentation, Information Architecture, Organizational Skills
Beginner · Guided Project · Less Than 2 Hours

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Anomaly Detection, Embeddings, LLM Application, Generative AI, Semantic Web, Application Design, Natural Language Processing, Image Analysis, AI Personalization
Beginner · Project · Less Than 2 Hours
University of Illinois Urbana-Champaign
Skills you'll gain: Blockchain, Cryptography, FinTech, Organizational Structure, Governance, Emerging Technologies, Web Applications, Payment Systems, Transaction Processing, Distributed Computing, Digital Assets, Regulation and Legal Compliance, Ledgers (Accounting), Data Security, Case Studies
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Employee Surveys, Surveys, User Feedback, Security Awareness, Cloud Security, Business Software, Data Sharing, Email Automation, Collaborative Software, Business Technologies
Beginner · Guided Project · Less Than 2 Hours

Universitat Politècnica de València
Skills you'll gain: Prompt Engineering, ChatGPT, Microsoft Copilot, Google Gemini, Productivity Software, Education Software and Technology, Anthropic Claude, Automation, LLM Application, OpenAI, Excel Macros, Critical Thinking, Productivity, Generative AI, Educational Materials, Artificial Intelligence, Excel Formulas
Beginner · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: Model View Controller, Debugging, Responsive Web Design, User Interface (UI), HTML and CSS, Web Design and Development, User Interface and User Experience (UI/UX) Design, AI Product Strategy, Prototyping, Generative AI
Beginner · Course · 1 - 4 Weeks