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: Software Design Patterns, Test Automation, CI/CD, Infrastructure as Code (IaC), Continuous Deployment, Application Deployment, Release Management, Continuous Integration, Software Architecture, Microservices, Cloud Deployment, DevOps, Scalability, Containerization, Git (Version Control System), Version Control
Advanced · Course · 3 - 6 Months

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design and Development, Mobile Development, Front-End Web Development, Web Design, Web Development, Application Deployment, Cloud Deployment, User Interface (UI), User Interface (UI) Design, UI Components, Software Engineering
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: User Experience Design, Information Architecture, Storyboarding, Wireframing, User Story, UI/UX Research, User Research, Adobe XD, Usability Testing, Figma (Design Software), Design Reviews, User Interface and User Experience (UI/UX) Design, User Centered Design, Ideation, Design Thinking, Presentations, Persona (User Experience), Web Design, Research Design, Usability
Beginner · Professional Certificate · 3 - 6 Months

Indian Institute of Technology Guwahati
Skills you'll gain: SolidWorks (CAD), Computer-Aided Design, Computer Graphics, 3D Modeling, Mechanical Design, Engineering Drawings, Visualization (Computer Graphics), Prototyping, Animations
Intermediate · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Electrical Systems, Simulation and Simulation Software, Thermal Management, Mathematical Modeling, Control Systems, Electrical Power, Basic Electrical Systems, Matlab
Beginner · Course · 1 - 4 Weeks
University of Minnesota
Skills you'll gain: User Interface (UI) Design, User Interface (UI), Usability, Human Computer Interaction, User Experience Design, Design, Design Thinking, UI/UX Research, Design Strategies, Design Elements And Principles, User Centered Design
Beginner · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Model Based Systems Engineering, Peer Review, Programmable Logic Controllers, Systems Engineering, Product Lifecycle Management, Intrusion Detection and Prevention, Security Controls, Performance Measurement, Collaborative Software, Control Systems, Continuous Monitoring, Anomaly Detection, Machine Controls, Incident Response, Digital Transformation, Vulnerability Assessments, Software Development Life Cycle, Production Process, Cybersecurity, Manufacturing Operations
Beginner · Specialization · 3 - 6 Months

Illinois Tech
Skills you'll gain: Leadership and Management, People Management, Team Leadership, Organizational Change, Decision Making, Cultural Diversity, Conflict Management, Business Leadership, Team Management, Leadership, Virtual Teams, Cultural Sensitivity, Organizational Structure, Diversity and Inclusion, Influencing, Human Resource Strategy, Business Ethics, Negotiation, Innovation, Business Communication
Build toward a degree
Intermediate · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Building Codes, Construction, Laboratory Testing, Structural Engineering, Test Engineering, Laboratory Experience, Construction Engineering, Civil Engineering, Environmental Monitoring, Engineering Analysis, Virtual Environment, Experimentation, Research Reports, Structural Analysis, Analytical Testing, Engineering Practices, Penetration Testing, Engineering Calculations, Failure Analysis, Finite Element Methods
Advanced · Specialization · 3 - 6 Months

L&T EduTech
Skills you'll gain: Engineering Calculations, Structural Engineering, Structural Analysis, Construction Engineering, Civil Engineering, Construction, Engineering Analysis, Building Codes, Engineering Practices, Engineering, Materials science, Conceptual Design, Engineering Design Process, Architecture and Construction, Maintenance, Repair, and Facility Services, Finite Element Methods, Property Maintenance, Continuous Monitoring, Hydraulics, Failure Analysis
Advanced · Specialization · 1 - 3 Months
University of California San Diego
Skills you'll gain: Usability, Graphic and Visual Design, Usability Testing, User Interface (UI) Design, Design, Interaction Design, Human Computer Interaction, User Experience Design, Prototyping, Design Elements And Principles, Layout Design, Human Centered Design, Web Design and Development, Typography, Design Research, A/B Testing
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Database Design, Relational Databases, Database Theory, Data Modeling, Unified Modeling Language, Database Management, Databases, Data Integrity, Diagram Design, Dependency Analysis, Conceptual Design, Requirements Analysis
Build toward a degree
Beginner · Course · 1 - 4 Weeks