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.

Packt
Skills you'll gain: Salesforce Development, Salesforce, CI/CD, Software Architecture, Solution Architecture, Continuous Deployment, Systems Architecture, Continuous Integration, Code Review, Relational Databases, Software Technical Review, Integration Testing, Software Design, Software Design Patterns, Database Design, Maintainability, Enterprise Architecture, Diagram Design, System Design and Implementation, Scalability
Beginner · Course · 1 - 3 Months

Skills you'll gain: ChatGPT, Prompt Engineering, Software Development Tools, Test Automation, Technical Design, Docker (Software), Technical Documentation, Unit Testing, Application Deployment, Application Programming Interface (API), Application Development, Technical Communication
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Digital Marketing, Search Engine Optimization, Keyword Research, ChatGPT, Content Development and Management, Web Content, Content Performance Analysis, Technical Writing, JSON
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Interoperability, Virtualization, Software-Defined Networking, Cloud-Native Computing, Network Troubleshooting, Network Planning And Design, Automation, Network Architecture, Network Performance Management, Wireless Networks, Real Time Data, Systems Integration
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: iOS Development, Swift Programming, Apple iOS, Mobile Development, User Interface (UI), Apple Xcode, Restful API, User Interface and User Experience (UI/UX) Design, Application Development, Development Environment, Application Programming Interface (API), UI Components, Real Time Data, JSON
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Image Quality, Responsible AI, Marketing Materials, Content Creation, Creative Design, Entrepreneurship
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Threat Modeling, Cyber Threat Intelligence, Incident Response, DevSecOps, MITRE ATT&CK Framework, Cloud Security, Threat Detection, Risk Management, Cost Management, Cyber Security Strategy, Governance, Security Controls, Vulnerability Assessments, Compliance Management, Role-Based Access Control (RBAC), Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: 3D Modeling, Motion Graphics, 3D Assets, Animations, Visualization (Computer Graphics), Computer Graphics, Automation, Computer Graphic Techniques
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Generative AI, A/B Testing, Generative AI Agents, Content Creation, Text Mining
Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Cloud Management, Application Lifecycle Management, Cloud Computing, Capacity Management, System Monitoring, Cloud Infrastructure, Performance Tuning, Cloud Applications, Network Monitoring, Network Performance Management, Event Monitoring, Cloud Storage, Continuous Monitoring, Change Control
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Agile Methodology, User Story, Agile Software Development, Business Analysis, Sprint Retrospectives, Agile Project Management, Agile Product Development, Team Building, Process Design, Scrum (Software Development), Risk Management, Business Requirements, User Acceptance Testing (UAT), Business Valuation, Requirements Analysis, Project Management, Prioritization
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Maintainability, Code Review, Test Driven Development (TDD), API Testing, LLM Application, API Design, Microsoft Visual Studio, Software Engineering, Engineering Software, Software Technical Review, Program Development, Application Lifecycle Management, Unit Testing, Microservices, Peer Review, Quality Assessment
Intermediate · Course · 1 - 4 Weeks