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: Unity Engine, Computer Graphics, Computer Graphic Techniques, Visualization (Computer Graphics), Augmented and Virtual Reality (AR/VR), Animations, Video Game Development, Performance Tuning, Image Quality, Debugging
Mixed · Course · 1 - 3 Months

Skills you'll gain: Generative AI Agents, OpenAI API, Command-Line Interface, AI Enablement, Agentic systems, API Testing, Rust (Programming Language), Key Management, Software Technical Review, Verification And Validation, Unit Testing, Solution Architecture, Debugging
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Networking Hardware, General Networking, Network Infrastructure, Local Area Networks, OSI Models, Network Protocols, Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), TCP/IP, Network Architecture, Computer Networking, Network Model, Wireless Networks, Network Security, Network Switches, Virtual Local Area Network (VLAN)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Relational Databases, Database Management, Database Application, Requirements Analysis, Application Deployment, C# (Programming Language), Data Validation, ASP.NET, SQL, .NET Framework, System Requirements, Business Requirements, Full-Stack Web Development, Application Development, Business Logic, Software Development Life Cycle, Data Management, User Interface (UI) Design, Systems Development
Beginner · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Threat Management, Threat Detection, Infrastructure Security, Software-Defined Networking, Network Performance Management, Network Architecture, Network Planning And Design, Cloud-Based Integration, Network Administration, Network Routing, Wide Area Networks, Network Security, Network Monitoring, Disaster Recovery, Virtual Networking, Performance Tuning, General Networking, Network Engineering, Computer Networking, Local Area Networks
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: ASP.NET, Cloud Deployment, Application Deployment, Microsoft Azure, Multi-Tenant Cloud Environments, Cloud Applications, Full-Stack Web Development, User Interface (UI) Design, PostgreSQL, Web Applications, User Interface (UI), Object-Relational Mapping, Database Development, Cloud Services, Database Management, Development Environment, Authentications
Intermediate · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Sustainable Development, Building Design, Sustainable Business, Sustainable Architecture, Sustainable Technologies, Energy and Utilities, Sustainable Engineering, Architectural Design, Electrical Power, Materials science, Workforce Development, Climate Change Mitigation, Environmental Policy, Professional Networking
Beginner · Course · 1 - 3 Months

Skills you'll gain: Full-Stack Web Development, Node.JS, User Interface (UI), Restful API, Back-End Web Development, User Accounts, Server Side, Swift Programming, JavaScript Frameworks, Secure Coding, Web Development Tools, Application Programming Interface (API), API Design, Authentications, Mobile Development, Database Software, MongoDB, Web Development, Development Environment, API Gateway
Beginner · Specialization · 1 - 3 Months

University of Minnesota
Skills you'll gain: Simulations, Operations Research, Advanced Analytics, Process Mapping, Operational Analysis, Process Optimization, Project Scoping, Project Planning, Production Planning, Capacity Planning, Solution Design, Needs Assessment, Business Analysis, Analytics, Portfolio Management, Investment Management, Complex Problem Solving, Staff Management
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Marketing Materials, Presentations, Email Marketing, Content Creation, Brand Awareness, Marketing Design, Driving engagement, Content Marketing, Sales Presentations, Marketing Communications, Digital Marketing, Entrepreneurship
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Apple Xcode, Apple iOS, UI Components, Mobile Development, User Interface (UI) Design, Swift Programming, Responsive Web Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Anomaly Detection, Model Deployment, Google Cloud Platform, Cloud Deployment, Image Analysis, Predictive Analytics, Computer Vision
Beginner · Project · Less Than 2 Hours