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: Routing Protocols, Wide Area Networks, Network Security, Network Routing, Data Centers, TCP/IP, Open Shortest Path First (OSPF), Network Protocols, Network Switches, Virtual Machines, Network Administration, Virtual Local Area Network (VLAN), Virtualization, Virtual Private Networks (VPN), Wireless Networks, Network Monitoring, Computer Networking, Firewall, Network Troubleshooting, Network Architecture
Beginner · Specialization · 3 - 6 Months

Macquarie University
Skills you'll gain: Cyber Security Policies, Cyber Security Strategy, Cyber Risk, Cybersecurity, Cyber Security Assessment, Business Priorities, Resource Allocation, Change Management, Risk Management
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Storytelling, Case Studies, Canva (Software), Digital Design, Visual Design, Content Creation, Portfolio Management, Target Audience, Design Strategies, Layout Design, Goal Setting, User Experience Design, Graphic and Visual Design
Beginner · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Building Information Modeling, Autodesk Revit, Engineering Management, Construction Estimating, Engineering Practices, Construction Management, Product Lifecycle Management, Computer-Aided Design, Simulation and Simulation Software
Mixed · Course · 1 - 3 Months

Edureka
Skills you'll gain: Restful API, Rust (Programming Language), API Design, Object-Relational Mapping, Back-End Web Development, System Programming, Web Frameworks, Web Services, Web Development, Web Servers, Software Documentation, Web Applications, Scalability, Database Management, Authentications, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Matplotlib, Data Storytelling, Data Presentation, Data Visualization, Plot (Graphics), Scientific Visualization, Data Visualization Software, Scatter Plots, Image Quality, NumPy, Histogram, Image Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Instagram, Canva (Software), Photo Editing, Social Media Content, Social Media Management, Social Media, Graphic and Visual Design, Branding, Design
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Application Development, UI Components, Program Development, Maintainability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Programming Principles, Scripting, Scripting Languages, Data Structures, Development Environment, Microsoft Visual Studio, Integrated Development Environments, Computer Programming, Software Installation, Algorithms, Debugging
Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Presentations, Case Studies, Cultural Diversity, Culture, Team Management, Organizational Effectiveness, Team Building, Analysis, Strategic Decision-Making, Business Consulting, Strategic Thinking, Organizational Strategy, Microsoft PowerPoint, Data-Driven Decision-Making, Root Cause Analysis, Human Resources Management and Planning, Business Leadership
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: API Gateway, Cloud API, Application Programming Interface (API), Restful API, Google Cloud Platform, API Design, Cloud Deployment, Scalability, Service Oriented Architecture, Back-End Web Development, Server Side, Data Management, Network Analysis
Beginner · Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Make.com, Email Automation, Deepseek, AI Workflows, Operational Efficiency, No-Code Development, Automation
Beginner · Course · 1 - 4 Weeks