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: ASP.NET, Middleware, .NET Framework, Restful API, Application Programming Interface (API), C# (Programming Language), API Design, Databases, Performance Tuning, Data Persistence, Web Development, Microservices, Scalability, Development Environment, Web Applications, Unit Testing, Data Validation, Web Analytics, Application Security
Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: AI Security, Threat Modeling, Open Web Application Security Project (OWASP), Security Testing, Retrieval-Augmented Generation, Software Architecture, API Design, Test Automation, Vulnerability Management, Agentic systems, Systems Design, Model Evaluation, Test Driven Development (TDD), CI/CD, Python Programming, Continuous Deployment, Dependency Analysis, Large Language Modeling, Machine Learning, Performance Analysis
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Kotlin, Android Development, Android Studio, Unit Testing, Object Oriented Programming (OOP), Mobile Development, Test Driven Development (TDD), Software Testing, Functional Design
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Prompt Engineering, ChatGPT, Prompt Patterns, Ideation, Verification And Validation, Succession Planning, LLM Application, Productivity, OpenAI, Business Writing, Responsible AI, Generative AI, AI Enablement, Leadership, Meeting Facilitation, Organizational Leadership, Leadership and Management, Creativity, Problem Solving, Risk Management
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Control Systems, Process Control, Machine Controls, Engineering, Scientific, and Technical Instruments, Embedded Systems, Electronic Hardware, Embedded Software, Automation Engineering, Hardware Design, Electronics Engineering, Manufacturing Processes, Basic Electrical Systems, Electronic Systems, Electronics, Electrical Systems, Electrical and Computer Engineering, Electronic Components, Power Electronics, Three-Phase, Torque (Physics)
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Unreal Engine, Object Oriented Programming (OOP), File I/O, C++ (Programming Language), Object Oriented Design, Debugging, Computer Programming, Event-Driven Programming, Video Game Development, Unity Engine, Data Structures, C# (Programming Language), Data Storage, 3D Assets, Development Environment, Game Design, Software Documentation, Software Design Patterns, User Interface (UI), Programming Principles
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: ABAP RESTful Programming Model (RAP), SAP S/4HANA, Business Logic, SAP Applications, Unit Testing, Restful API, Application Deployment, Core Data (Software), Business Reporting, Secure Coding, Debugging, Full-Stack Web Development, Application Development, Object Oriented Design, Report Writing, Security Controls, Programming Principles, Object Oriented Programming (OOP), User Interface (UI), Program Development
Intermediate · Specialization · 1 - 3 Months

Logical Operations
Skills you'll gain: Adobe InDesign, Adobe Creative Cloud, Document Management, Layout Design, File Management, Productivity Software, Graphic Design, Multimedia, Digital Publishing, Graphic and Visual Design, User Interface (UI), Style Guides, Graphic and Visual Design Software, Typography
Mixed · Course · 1 - 3 Months
Arizona State University
Skills you'll gain: Digital pedagogy, Oral Expression, Vocabulary, Design Elements And Principles, Design Strategies, English Language, Language Learning, Critical Thinking, Oral Comprehension
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Power Electronics, Electronic Systems, Control Systems, Electrical Engineering, electromagnetics, Electrical Power, Electronics Engineering, Electronics, Engineering Analysis, Simulations, Simulation and Simulation Software, Mathematical Modeling, Systems Analysis, Electrical Systems, Computer-Aided Design, Matlab, Technical Design, Systems Design, Verification And Validation, Design Specifications
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Electrical Engineering, electromagnetics, Performance Tuning, Image Quality, Engineering, Scientific, and Technical Instruments, Simulation and Simulation Software, Engineering Calculations, Design Software, Image Analysis, Engineering Analysis, Computer-Aided Design, Engineering Design Process, Numerical Analysis, Electronic Components, System Design and Implementation, Systems Design, Human Factors, Applied Mathematics, Physics, System Configuration
Build toward a degree
Advanced · Specialization · 3 - 6 Months
University of Michigan
Skills you'll gain: Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, HTML and CSS, Web Design, Web Design and Development, Responsive Web Design, User Interface (UI), Usability, Web Development Tools, Web Development, Debugging
Beginner · Course · 1 - 3 Months