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: Version Control, Object Oriented Programming (OOP), C# (Programming Language), Microsoft Visual Studio, Development Environment, Program Development, Integrated Development Environments, Computer Programming, Programming Principles
Beginner · Course · 3 - 6 Months

Skills you'll gain: Educational Materials, Learning Management Systems, Needs Assessment, Goal Setting, Virtual Environment, Instructional Design, Organizational Skills, Content Management, Planning, Digital pedagogy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Employee Engagement, Driving engagement, Project Design, Key Performance Indicators (KPIs), Employee Relations, Program Management, Change Management
Beginner · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Responsive Web Design, Web Design, HTML and CSS, Web Design and Development, Cascading Style Sheets (CSS), Usability, Web Content Accessibility Guidelines, User Interface and User Experience (UI/UX) Design, User Experience, Javascript, Front-End Web Development, Hypertext Markup Language (HTML), GitHub
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, Network Monitoring, Network Administration, Network Security, Firewall, Ansible, System Monitoring, Network Protocols, Security Controls, Software-Defined Networking, Puppet (Configuration Management Tool), Chef (Configuration Management Tool), Network Switches, Real Time Data, Authentications, Scripting, JSON, Automation, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Collaborative Software, Journals, Organizational Skills, Productivity, Timelines, Productivity Software, Project Management Software, Information Architecture, Project Management, Personal Development, Query Languages
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Software-Defined Networking, Network Architecture, Network Planning And Design, Wide Area Networks, Virtual Private Networks (VPN), Network Administration, Network Security, Network Performance Management, Firewall, Cloud Deployment, Network Routing, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Agentic systems, Human Computer Interaction, Interaction Design, User Experience Design, User Experience, Responsible AI, AI Product Strategy, Design Strategies, Human Centered Design, Data Ethics, Artificial Intelligence, Automation, Machine Learning, Technology Strategies, Emerging Technologies
Intermediate · Course · 3 - 6 Months

Alex Genadinik
Skills you'll gain: Selling Techniques, Sales Strategy, Social Media Marketing, Search Engine Optimization, Product Promotion, Advertising Campaigns, Advertising, Digital Advertising, Product Strategy, Keyword Research, Product Marketing, Copywriting, Competitive Analysis, Customer Engagement
Mixed · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Prompt Engineering, Google Gemini, Responsible AI, Retrieval-Augmented Generation, Generative AI Agents, Generative AI, Google Workspace, AI Enablement, Google Cloud Platform, Gemini, AI Security, AI Product Strategy, Productivity Software, AI Workflows, Agentic systems, Customer experience improvement, Cloud Infrastructure, Cloud Computing, Artificial Intelligence, Collaboration
Beginner · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: Extensible Markup Language (XML), Hypertext Markup Language (HTML), Web Development Tools, Semantic Web, Web Development, Web Design, Data Validation, Development Environment, Verification And Validation, Integrated Development Environments, Debugging
Mixed · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Computer Architecture, Hardware Architecture, Computer Systems, Hardware Design, Computer Engineering, System Programming, File Systems, Algorithms, Cloud Platforms
Intermediate · Course · 1 - 3 Months