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.

Columbia University
Skills you'll gain: Computer Vision, Image Analysis, Dimensionality Reduction, Artificial Neural Networks, Machine Learning Methods, Unsupervised Learning, Deep Learning, Graph Theory, Machine Learning Algorithms, Algorithms
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Ajax, Object Oriented Programming (OOP), Javascript, JSON, Application Programming Interface (API), Scripting, Software Design Patterns, Data Management, Data Structures, Event-Driven Programming, Data Validation, Prototyping, Computational Logic, Maintainability, Programming Principles, Web Development, Software Development, Debugging, Software Engineering, Performance Tuning
Intermediate · Specialization · 1 - 3 Months

University at Buffalo
Skills you'll gain: Intrusion Detection and Prevention, Security Controls, Continuous Monitoring, Incident Response, Vulnerability Assessments, Software Development Life Cycle, Cybersecurity, Computer Security Incident Management, Cyber Security Policies, Cyber Security Assessment, Information Assurance, Network Security, Risk Management Framework, Cloud Security, Authentications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Android Studio, Android Development, Android (Operating System), Mobile Development, Application Development, Mobile Development Tools, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Human Computer Interaction, Interaction Design, Usability, Development Testing, Debugging
Beginner · Course · 1 - 4 Weeks

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

University of Colorado Boulder
Skills you'll gain: Sustainable Design, Sustainable Technologies, Sustainable Engineering, Sustainable Business, Energy and Utilities, Sustainable Development, Corporate Sustainability, Strategic Leadership, Product Engineering, Environmental Management Systems, Environmental Engineering, Waste Minimization, Packaging and Labeling, Product Lifecycle Management, Climate Change Mitigation, Emerging Technologies
Build toward a degree
Intermediate · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Ansible, Development Environment, Postman API Platform, Restful API, Authentications, YAML, Software Development Methodologies, Software-Defined Networking, CI/CD, DevOps, IT Automation, Network Engineering, Network Architecture, Network Administration, Application Programming Interface (API), Scripting, JSON, Data Modeling, Version Control, Network Protocols
Beginner · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Teaching, Differentiated Instruction, Pedagogy, Instructional Strategies, Human Learning, Cultural Diversity, Research, Student-Centred Learning, Media and Communications, Curriculum Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Instagram, Social Media Content, Social Media, Content Creation, Advertising, Graphic Design, Design, Social Media Marketing, Social Media Campaigns, Video Production, Social Justice
Beginner · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Spring Framework, Spring Boot, Restful API, Java Platform Enterprise Edition (J2EE), Hibernate (Java), Java, API Design, Application Frameworks, Web Servers, Web Applications, Object-Relational Mapping, Data Access, Server Side, Back-End Web Development, Data Persistence, Model View Controller, SQL, Transaction Processing
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Windows Servers, Authorization (Computing), Microsoft Windows, Authentications, Operating System Administration, User Accounts, Group Policy, Microsoft Servers, Security Controls, Enterprise Security, Active Directory, Identity and Access Management, Software Installation, Servers, Computer Security, System Configuration, Encryption
Beginner · Course · 1 - 3 Months
Michigan State University
Skills you'll gain: Photography, Peer Review, Photo Editing, Image Quality, Creative Design, Creativity, Content Creation, Storytelling, Writing
Intermediate · Course · 1 - 3 Months