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.

Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Mobile Development, Web Design and Development, Front-End Web Development, UI Components
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Postman API Platform, API Testing, Data Validation, Application Programming Interface (API), Restful API, Verification And Validation, Performance Tuning, Microservices, Performance Testing, Security Controls, Data Integrity, Authentications
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Distributed Denial-Of-Service (DDoS) Attacks, Application Security, Security Testing, Authorization (Computing), Authentications, Data Validation, Encryption, Security Controls, Data Security, Vulnerability Scanning, Role-Based Access Control (RBAC), Verification And Validation, Intrusion Detection and Prevention, Database Application, Security Awareness, Cybersecurity, Web Servers, Web Development Tools
Beginner · Specialization · 1 - 3 Months

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

Skills you'll gain: Canva (Software), Logo Design, Marketing Design, Graphic and Visual Design Software, Graphic and Visual Design, Marketing Materials, Creative Design, Graphic Design, Presentations, Promotional Materials, Sustainability Reporting, Content Creation, Video Production, Social Media Marketing, Content Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: AutoCAD Civil 3D, Autodesk Revit, Autodesk, Grading (Landscape), AutoCAD, Stormwater Management, Engineering Plans And Specifications, Engineering Analysis, Design, Visualization (Computer Graphics), Coordination, Design and Product, Data Management
Beginner · Course · 3 - 6 Months

L&T EduTech
Skills you'll gain: Shop Drawing, Architectural Drawing, Construction Inspection, Structural Engineering, Structural Analysis, Building Design, Construction, Manufacturing Processes, Construction Management, Construction Engineering, Engineering Practices, Building Codes, Engineering Tolerance, Product Testing, Engineering Calculations
Advanced · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Application Programming Interface (API), GraphQL, API Design, Restful API, Postman API Platform, Ajax, OAuth, Frontend Integration, Software Documentation, Authentications, Debugging, Real Time Data, Systems Integration, JSON, Authorization (Computing), Version Control
Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Electrical Power, Electric Power Systems, Simulation and Simulation Software, Energy and Utilities, Electrical Systems, Power Electronics, Sustainable Technologies, Semiconductors, Scalability, Electrical Equipment, Emerging Technologies, Materials science, Innovation, Cost Estimation, Environment, Matlab
Beginner · Course · 1 - 3 Months

Skills you'll gain: Real Time Data, Application Development, .NET Framework, Performance Tuning, Secure Coding, C# (Programming Language), System Programming, Application Performance Management, Object Oriented Programming (OOP)
Intermediate · Guided Project · Less Than 2 Hours

SkillUp
Skills you'll gain: Data Migration, Data Integration, Enterprise Architecture, Data Management, Data Infrastructure, Data Pipelines, Data Integrity, Data Storage
Advanced · Course · 1 - 3 Months

University of Science and Technology of China
Skills you'll gain: Productivity, Workflow Management, Collaboration, Operational Efficiency, Process Design, Knowledge Transfer, Process Optimization, Team Oriented, Learning Strategies, Smart Goals, Information Management
Mixed · Course · 1 - 4 Weeks