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.

The State University of New York
Skills you'll gain: digital literacy, Information Management, Research, Literacy, Lifelong Learning, Critical Thinking, Investigation, Planning, Communication, Constructive Feedback, Data Access, Style Guides
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Application Programming Interface (API), API Gateway, GraphQL, API Design, Restful API, OAuth, Software Documentation, Authentications, Debugging, Real Time Data, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Wireframing, Figma (Design Software), Collaborative Software, Prototyping, User Flows, User Interface (UI), UI Components, Information Architecture
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Database Application, ASP.NET, Database Development, .NET Framework, Database Management, Object-Relational Mapping, Back-End Web Development, Database Management Systems, Full-Stack Web Development, Database Software, C# (Programming Language), Database Design, Application Frameworks, Identity and Access Management, Authorization (Computing), Model View Controller, Authentications, Data Migration, Data Mapping, Business Logic
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Snowflake Schema, Business Intelligence, Power BI, Cloud Security, Business Analytics, Business Intelligence Software, Cloud Management, Advanced Analytics, Cloud-Based Integration, Data Management, Data Governance, Amazon Web Services, Data Integration, Data Security, Cost Control, Data Visualization Software, Cloud Computing, Data Warehousing, Data Modeling, Cloud Applications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Protocols, Communication Systems, Test Equipment, Internet Of Things, Digital Signal Processing, Wireless Networks, Integrated Development Environments, Debugging, Data Analysis Software, Computer Programming Tools, Computational Logic, Digital Analysis, System Configuration, Program Development, Open Source Technology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Python Programming, Programming Principles, Computer Programming, Program Development, Object Oriented Programming (OOP), Scripting, Scripting Languages, Computational Logic, Jupyter
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Data Structures, Data Processing, Code Reusability, Virtual Machines, Verification And Validation, Program Development, Python Programming, Maintainability, Data Manipulation, Programming Principles, Scripting, Development Environment, Scripting Languages, Computer Programming, Software Installation, Debugging, Software Development, Computer Programming Tools, Computational Logic, Cross Platform Development
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Computer Architecture, Mainframe Computing, Mainframe Technologies, Microarchitecture, Systems Architecture, Hardware Architecture, Data Storage, Computer Science, Programming Principles, System Programming, Data Structures, Computational Logic, Computer Hardware, Program Development, Computer Programming, Memory Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Maintainability, Computational Logic
Intermediate · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Prompt Patterns, Vibe coding, Generative AI Agents, AI Workflows, Code Review, AI Personalization, Google Workspace, Software Development Tools, Software Development, Responsible AI, Application Deployment, Generative AI, Software Engineering, Artificial Intelligence, Design Software, Front-End Web Development, React.js, Web Development, Javascript
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Microservices, Frontend Integration, JavaScript Frameworks, Microarchitecture, Front-End Web Development, Event-Driven Programming, Web Design, Secure Coding, Software Design, Scalability, Server Side, Maintainability, Data Sharing
Intermediate · Course · 1 - 4 Weeks