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: OAuth, Authentications, API Design, Enterprise Security, Software Documentation, Application Programming Interface (API), Middleware, API Testing, Restful API, Model Deployment, Authorization (Computing), Security Controls, Application Performance Management, Enterprise Architecture, Data Processing, Software Versioning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Customer Retention, Customer Analysis, Business Metrics, Data Analysis, Performance Metric, Customer Insights, Analysis, Performance Measurement, Trend Analysis, Benchmarking, Key Performance Indicators (KPIs), Pareto Chart, Descriptive Analytics, Root Cause Analysis, Consumer Behaviour
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Database Design, Data Migration, Generative AI, Database Development, Dashboard Creation, Software Documentation, Database Management, ChatGPT, Database Architecture and Administration, SQL, Business Reporting, Prototyping, Performance Testing
★ 4.8 (55) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: OpenAI API, LLM Application, OpenAI, Agentic Workflows, Model Context Protocol, Generative AI Agents, Agentic systems, Decision Intelligence, Tool Calling, Prompt Engineering, ChatGPT, AI Integrations, Artificial Intelligence, Application Programming Interface (API), Context Management, Large Language Modeling, Python Programming, Memory Management, Development Environment, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Planning And Design, Network Troubleshooting, Internet Of Things, Network Security, Network Engineering, Network Architecture, Computer Networking, Network Infrastructure, Network Routers, TCP/IP, Network Routing, Virtual Local Area Network (VLAN), Routing Protocols, System Configuration, Network Switches, Firewall, Enterprise Architecture, Dynamic Host Configuration Protocol (DHCP), Scalability
Intermediate · Course · 1 - 4 Weeks

Michigan State University
Skills you'll gain: Game Design, Unity Engine, 3D Assets, Prototyping, Video Game Development, 3D Modeling, Computer Graphics, Multimedia, Programming Principles, Development Testing
★ 4.8 (68) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Email Marketing, Direct Marketing, Driving engagement, Customer Engagement, Target Audience, Content Marketing, Marketing Effectiveness, Campaign Management, Marketing Strategy and Techniques, Marketing Strategies, Campaign Planning, Customer Relationship Building, Customer Retention, Personalized Campaigns, Marketing Communications, Relationship Management, Communication Planning
Mixed · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Hardware Design, Verification And Validation, Computational Logic, Simulation and Simulation Software, Design Software, Integrated Development Environments, Test Script Development, Schematic Diagrams, Simulations, Dataflow
★ 4.4 (26) · Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Disabilities, Web Content Accessibility Guidelines, Education and Training, Multimedia, Educational Materials, Adaptive Equipment, Pedagogy, Hypertext Markup Language (HTML), Developmental Disabilities, Instructional Design, Visual Impairment Education, Diversity Awareness, Labor Law, Law, Regulation, and Compliance, Family and Medical Leave Act of 1993, Microsoft Office
★ 4.6 (253) · Beginner · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Sanitation, Public Works, Environmental Engineering, Civil Engineering, Water Resources, Sustainable Development, Sustainable Systems, Sustainable Technologies, Sustainable Engineering, Community Development, Public Health, Environment and Resource Management, Engineering Design Process
★ 4.8 (1.2K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Jenkins, Selenium (Software), Apache Maven, Continuous Integration, Build Tools, CI/CD, Object Oriented Programming (OOP), Object Oriented Design, Java, Software Design Patterns, Test Script Development, Test Automation, Java Programming, Code Reusability, Software Testing, Maintainability, Test Tools, Test Case, Browser Compatibility, Software Design
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Hardware Design, Electronics Engineering, Computer-Aided Design, Electronic Components, Technical Design, Design Software
Intermediate · Course · 1 - 4 Weeks