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.

Duke University
Skills you'll gain: Team Building, Team Leadership, Collaboration, Team Management, Team Performance Management, Organizational Leadership, Agile Methodology, Cross-Functional Collaboration, Innovation, Organizational Effectiveness, Adaptability, Empowerment, Culture Transformation, Market Opportunities, Continuous Improvement Process
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: ASP.NET, .NET Framework, Model View Controller, Web Applications, Middleware, Debugging, Web Development, Application Frameworks, Application Deployment, Application Development, Development Environment, Software Testing, Microsoft Development Tools, Cross Platform Development, Software Architecture, Open Source Technology, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Version Control, Integrated Development Environments, GitHub, Git (Version Control System), Internet Of Things, Development Environment, Embedded Software, Software Development Tools, Software Versioning, Embedded Systems, Program Development, Prototyping, Linux, Linux Commands, Operating System Administration, Operating Systems, Ubuntu, Peripheral Devices, Android (Operating System), Open Source Technology
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Human Development, Biology, Child Development, Music, Decision Making, Liberal Arts, Life Sciences, Education and Training, Psychology, Performing Arts, Medical Science and Research, Pedagogy, Business Research, Business Economics, Clinical Trials, Instructional and Curriculum Design
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Security Strategy, Security Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Exploitation techniques, Java, Security Controls, Java Programming, Patch Management, Dependency Analysis, Docker (Software), JSON
Intermediate · Course · 1 - 4 Weeks

Pontificia Universidad Católica del Perú
Skills you'll gain: Augmented Reality, Augmented and Virtual Reality (AR/VR), User Interface (UI), Mobile Development, 3D Assets, Unity Engine, User Interface (UI) Design, UI Components, Mobile Development Tools, Scripting, Video Game Development, Application Development, Development Environment, Software Installation, Package and Software Management
Beginner · Course · 1 - 3 Months

Pearson
Skills you'll gain: Virtual Local Area Network (VLAN), Network Security, Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), Network Architecture, TCP/IP, Routing Protocols, Network Switches, Network Routing, Open Shortest Path First (OSPF), Wireless Networks, Network Support, Network Routers, Virtual Networking, Ansible, General Networking, Network Infrastructure, Software-Defined Networking, Network Planning And Design, Virtual Private Networks (VPN)
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Marketing Design, Organizational Structure, Diagram Design, Marketing Collateral, Graphic Design, Presentations, Dashboard, Collaborative Software
Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: TypeScript, Event-Driven Programming, Javascript, JavaScript Frameworks, Pseudocode, Computational Thinking, JSON, Program Development, Web Development, Angular, Web Applications, Vue.JS, Data Import/Export, Application Development, Mobile Development, Debugging, Algorithms, Code Reusability, Web Development Tools, React.js
Beginner · Specialization · 3 - 6 Months

University of London
Skills you'll gain: Pseudocode, Algorithms, Computer Science, Data Structures, Diagram Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Amazon Web Services, AWS Identity and Access Management (IAM), Solution Architecture, Cloud Computing Architecture, Infrastructure Architecture, Identity and Access Management, Organizational Structure, Cloud Solutions, Continuous Monitoring, Account Management
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Responsible AI, Microsoft Azure, Artificial Intelligence, Data Ethics, Image Analysis, Natural Language Processing, Computer Vision, AI literacy, AI Security, Applied Machine Learning, AI Workflows, Model Deployment, Machine Learning, Analytics
Beginner · Course · 1 - 4 Weeks