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.

Microsoft
Skills you'll gain: Web Scraping, Data Structures, Git (Version Control System), Generative AI, Version Control, Matplotlib, Devops Tools, Plotly, DevOps, Agile Methodology, Web Development, Data Ethics, Flask (Web Framework), Data Visualization, Scripting, GitHub, Debugging, Data Analysis, Automation, Cloud Computing
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Integrated Development Environments, Data Flow Diagrams (DFDs)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Financial Auditing, Data Storytelling, Bookkeeping, Financial Controls, Financial Reporting, Performance Reporting, Dashboard, Auditing, Process Improvement, Data Visualization, Process Analysis, Business Process Improvement, Internal Controls, Data Presentation, Financial Analysis, Generally Accepted Accounting Principles (GAAP), Financial Statement Analysis, Storytelling, Annual Reports, Variance Analysis
Intermediate · Course · 3 - 6 Months

Berklee
Skills you'll gain: File Management, Musical Composition, Music Performance, Music, Media Production, Music Theory, Instrumental Music, Performing Arts, Post-Production, Creativity, Digital Signal Processing, Electronic Media, Automation, Editing, Design Software, digital literacy, Peer Review, Patch Management, Software Installation, System Configuration
Intermediate · Specialization · 3 - 6 Months

Vanderbilt University
Skills you'll gain: Git (Version Control System), JUnit, Android Studio, Android Development, Unit Testing, Maintainability, Software Design Patterns, Test Automation, File I/O, Object Oriented Programming (OOP), Integration Testing, Test Driven Development (TDD), Mobile Development, Software Testing, Testability, Software Engineering, Java Programming, Java, Application Security, Development Testing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Model Context Protocol, Responsible AI, LangGraph, AI Orchestration, AI Workflows, LangChain, Agentic systems, System Monitoring, CrewAI, OpenAI API, Generative AI Agents, LLM Application, Tool Calling, Agentic Workflows, Compliance Management, Governance, AI Security, Continuous Monitoring, Artificial Intelligence, Enterprise Application Management
Intermediate · Specialization · 3 - 6 Months

National Taiwan University
Skills you'll gain: Building Information Modeling, Data Modeling, 3D Modeling, Computer-Aided Design, Construction, Engineering Practices, Construction Management, Civil Engineering, Mechanical Engineering
Beginner · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Customer Service, Service Recovery, Service Design, Personalized Service, Hospitality Services, Brand Loyalty, Customer experience improvement, Customer Relationship Building, Customer experience strategy (CX), Service Management, Operations Management, Operational Excellence, Customer Insights
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Databases, Data Integrity
Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Mathematical Modeling, Systems Thinking, Strategic Decision-Making, Innovation, Social Sciences, Strategic Thinking, Decision Making, Complex Problem Solving, Critical Thinking, Network Analysis, Economics, Probability, Market Dynamics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Validation, Extract, Transform, Load, Data Migration, Data Warehousing, Test Case, Consolidation, Data Integrity, Regression Testing, Data Integration, Data Transformation, Data Pipelines, Data Mapping, SQL, Analytics, Business Requirements
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Web Applications, HTML and CSS, Front-End Web Development, Web Design and Development, Javascript, Application Design, Application Development, Data Validation, UI Components, Debugging
Beginner · Course · 1 - 4 Weeks