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: Javascript, Event-Driven Programming, Web Applications, Application Deployment, Web Development, Full-Stack Web Development, Hypertext Markup Language (HTML), Code Reusability, Programming Principles, GitHub, Object Oriented Design, Object Oriented Programming (OOP), Data Validation
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Security, Cloud Standards, Google Cloud Platform, Cloud Computing Architecture, Identity and Access Management, Cloud Computing, Cloud Infrastructure, AI Security, Cloud Platforms, Cyber Governance, Data Security, Public Cloud, Encryption, Cybersecurity, Google Gemini, Security Controls, Computer Security, Infrastructure Security, Gemini, Cyber Security Strategy
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Storyboarding, Canva (Software), Storytelling, Visual Storytelling, Marketing Design, Marketing Collateral, Content Creation, Presentations, Animations, Motion Graphics, Dashboard, Graphic Design, Marketing, User Accounts, Business
Intermediate · Guided Project · Less Than 2 Hours

Logical Operations
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Data Structures, File I/O, Debugging, Data Processing, Application Development, Code Reusability, Maintainability, File Management, File Systems, Programming Principles, Computer Programming, Python Programming, System Configuration, Operating Systems, Software Development, Virtual Machines, Cross Platform Development
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: OSI Models, Network Security, TCP/IP, Network Architecture, Network Protocols, Network Routing, Network Routers, Computer Networking, Infrastructure Security, Routing Protocols, Public Key Infrastructure, Network Model, Cryptographic Protocols, Web Applications, Application Servers
Build toward a degree
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Spring Boot, Database Design, Object-Relational Mapping, Application Frameworks, Spring Framework, Data Modeling, Database Development, Database Software, Data Mapping, Application Development, Database Architecture and Administration, Requirements Analysis, Data Persistence
Beginner · Guided Project · Less Than 2 Hours

Peking University
Skills you'll gain: Research, Research Methodologies, Legal Research, Research Design, Writing, Legal Writing, Database Software, Databases, Journals, Legal Technology
Mixed · Course · 1 - 3 Months

Skills you'll gain: Network Troubleshooting, OSI Models, Network Model, TCP/IP, Network Support, Networking Hardware, Local Area Networks, Network Protocols, Network Planning And Design, General Networking, Telecommunications, Network Architecture, Network Infrastructure, Network Engineering, Computer Networking, Hardware Troubleshooting, Network Switches
Beginner · Course · 1 - 3 Months

The World Bank Group
Skills you'll gain: Climate Change Programs, Climate Change Adaptation, Climate Change Mitigation, Resilience, Sustainable Development, Mitigation, Environment, Environmental Policy, Water Resources, Environmental Science, Collaboration, Economic Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Architectural Drawing, Technical Drawing, Drafting and Engineering Design, Engineering Drawings, Computer-Aided Design, Autodesk, Civil and Architectural Engineering, Architecture and Construction, Architectural Design, Design Software, Plot (Graphics), Data Import/Export, File Management, Design, Functional Design, Command-Line Interface
Beginner · Course · 3 - 6 Months

Skills you'll gain: Petroleum Industry, Oil and Gas, Environmental Regulations, Pump Stations, Process Engineering, Chemical Engineering, Water Quality, Three-Phase, Equipment Design, Engineering Calculations
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Graph Theory, Data Structures, Algorithms, Tree Maps, Theoretical Computer Science, Analysis, Python Programming
Build toward a degree
Advanced · Course · 1 - 4 Weeks