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.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Scalability, Distributed Computing, Event-Driven Programming, Microservices, System Design and Implementation, Software Architecture, Software Design Patterns, Software Design, Cloud Computing, Data Structures
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Transportation, Supply Chain, and Logistics, Transportation Operations, Supply Chain Planning, Logistics Management, Shipping and Receiving, Service Design
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Request for Proposal, Conflict Management, Presentations, Technical Communication, Storytelling, Persuasive Communication, Communication Strategies, Organizational Strategy, Non-Verbal Communication, Proposal Writing, Business Communication, Interpersonal Communications, Team Building, Intercultural Competence, Verbal Communication Skills, Target Audience, Business Writing, Strategic Communication, Communication, Strategic Thinking
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Vulnerability Assessments, Application Security, Vulnerability Management, Secure Coding, Hardening, Security Controls, Cybersecurity, Authorization (Computing), Cryptography, System Configuration, Encryption
Intermediate · Course · 1 - 3 Months

Icahn School of Medicine at Mount Sinai
Skills you'll gain: Surgery, Chronic Diseases, Diagnostic Tests, Patient Evaluation, Medical Management, Infectious Diseases, Anatomy, Pathology, Clinical Practices, Pharmacotherapy
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Game Design, Android Development, Unity Engine, Video Game Development, 3D Assets, Mobile Development, User Interface (UI), Debugging, C# (Programming Language), Scripting, Software Testing, User Interface (UI) Design, Development Environment, Animations, Object Oriented Programming (OOP)
Intermediate · Specialization · 3 - 6 Months

L&T EduTech
Skills you'll gain: Civil Engineering, Construction Engineering, Building Information Modeling, Construction, Construction Management, Capacity Management, Capacity Planning, Building Design, Building Services Engineering, Facility Management, Facility Repair And Maintenance, Landscape Architecture, Construction Estimating, Architecture and Construction, Architectural Design, Civil and Architectural Engineering, Environmental Engineering, Energy and Utilities, Engineering Plans And Specifications, Sustainable Development
Intermediate · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Software Design Documents, Data Flow Diagrams (DFDs), User Requirements Documents, Functional Requirement, Software Documentation, Diagram Design, Unified Modeling Language, Requirements Analysis, System Requirements, Technical Documentation, Technical Writing, Data Modeling, Systems Analysis
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, Browser Compatibility, Hypertext Markup Language (HTML), Web Development Tools, Web Design, Web Development
Intermediate · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: User Accounts, No-Code Development, Application Design, Data Structures, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Quality Assurance, White-Box Testing, API Testing, Test Script Development, Debugging, Software Development Methodologies, User Acceptance Testing (UAT), JUnit, Maintainability, Development Testing, Selenium (Software), Scalability, Automation, Software Technical Review, DevOps, Regression Testing, Test Execution Engine, Security Testing
Beginner · Specialization · 3 - 6 Months

Simplilearn
Skills you'll gain: Requirements Management, Project Management, Risk Management, Project Planning, Data Visualization, Agile Project Management, Microsoft Excel, Solution Design, Cost Management, Project Management Office (PMO), Business Analysis, Excel Formulas, Requirements Elicitation, Stakeholder Management, Scope Management, Pivot Tables And Charts, Dashboard, Business Analytics, Data Analysis, Data Validation
Beginner · Specialization · 1 - 3 Months