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.

EDUCBA
Skills you'll gain: Microsoft Azure, Cloud Computing, Virtual Machines, Cloud Infrastructure, Virtual Networking, Cloud Applications, Cloud Deployment, Application Deployment, Virtual Private Networks (VPN), Virtualization, Cloud Storage, Scalability
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Responsible AI, Agentic systems, Data Ethics, Agentic Workflows, AI Enablement, Artificial Intelligence, Healthcare Ethics, AI Workflows, AI Security, AI Orchestration, Applied Machine Learning, Health Technology, AI Personalization, Health Systems, Solution Design, Predictive Modeling, Predictive Analytics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, Restful API, Application Programming Interface (API), Test Script Development, Software Testing, JSON, Data Validation, Test Automation, Test Case, Development Environment
Mixed · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: User Story, Negotiation, Data Presentation, Risk Management, Professional Development, Business Risk Management, Drive Engagement
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Microsoft Access, Database Design, Relational Databases, Database Application, Database Management, Databases, Data Integration, Data Management, Information Management, Data Entry, Microsoft 365, Microsoft Office, Query Languages, User Interface (UI), Productivity Software
Mixed · Course · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), ChatGPT, Authentications, Generative AI Agents, Back-End Web Development, Web Servers, OpenAI API, Databases, Web Applications, Secure Coding, Command-Line Interface, Generative AI, AI Enablement, Agentic systems, API Testing, Key Management, Restful API, Development Environment, Unit Testing, Maintainability
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Programmable Logic Controllers, Real-Time Operating Systems, Program Development, Human Machine Interfaces, Automation, System Monitoring, Simulations
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Digital Design, Design Elements And Principles, Creativity, Peer Review, Color Theory
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: React.js, JavaScript Frameworks, Javascript and jQuery, Web Development Tools, Javascript, Software Design Patterns, Web Development, Application Development, Mobile Development
Advanced · Guided Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: Construction Estimating, Cost Estimation, Building Information Modeling, Project Estimation, Project Risk Management, Cost Management, Project Controls, Risk Management, Verbal Communication Skills, Bidding, Architecture and Construction, Value Engineering, Project Design, Presentations, Contingency Planning
Intermediate · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Team Building, Collaboration, Teamwork, Lifelong Learning, Telecommuting, English Language, Stress Management, Business Communication, Communication, Virtual Teams, Productivity, Professional Development, Organizational Skills, digital literacy, Digital Transformation, Workforce Management, Adaptability, Productivity Software, Problem Solving
Beginner · Course · 1 - 3 Months

Skills you'll gain: SQL, Database Management, Query Languages, Data Analysis, Performance Tuning, Data Manipulation
Beginner · Course · 1 - 4 Weeks