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.

Johns Hopkins University
Skills you'll gain: Research Design, Science and Research, Laboratory Research, Research Methodologies, Sensory Systems Analysis, Statistical Analysis, Psychological Evaluations, Data Analysis, Data Collection, Neurology, Psychology, Physiology, Image Analysis, Medical Imaging, Statistical Hypothesis Testing, Statistical Inference
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: C (Programming Language), Embedded Systems, Embedded Software, Debugging, System Programming, Systems Architecture, Hardware Architecture, Microarchitecture, Data Structures, Peripheral Devices, Memory Management, Computational Logic
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: GitHub, Responsive Web Design, React.js, Front-End Web Development, Git (Version Control System), HTML and CSS, Version Control, Hypertext Markup Language (HTML), Web Development, Frontend Integration, Web Design, Web Components, UI Components, Code Review, Web Applications, Cascading Style Sheets (CSS), Web Analytics and SEO, Figma (Design Software), Mockups, Software Development
Advanced · Course · 1 - 3 Months

Starweaver
Skills you'll gain: Matlab, Scientific Visualization, Data Visualization, Simulation and Simulation Software, Plot (Graphics), Mathematical Modeling, Simulations, Data Analysis, Engineering Analysis, Numerical Analysis, Mathematical Software, Programming Principles, Control Systems, Data Structures, Scripting, Computer Programming, Algorithms
Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: NoSQL, Database Architecture and Administration, Database Systems, Cloud Applications, Database Theory, Database Management Systems, Data Store, Database Management, Databases, PostgreSQL, Relational Databases, Database Software, SQL, Database Application, Distributed Computing, Cloud Computing Architecture, Cloud Deployment, Transaction Processing, Scalability, Development Environment
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Test Driven Development (TDD), Python Programming, Object Oriented Programming (OOP), Object Oriented Design, Scripting Languages, Code Reusability, Test Script Development, Computer Programming, Unit Testing, File I/O, Development Testing, Web Development, Scripting, Program Development, Other Programming Languages, Database Software, Open Source Technology, Database Management, Database Development, Data Processing
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Exploit development, Penetration Testing, Cyber Operations, Malware Protection, Exploitation techniques, Network Monitoring, Object Oriented Programming (OOP), Vulnerability Scanning, Network Security, Network Protocols, Network Analysis, Scripting Languages, Scripting, Remote Access Systems, Python Programming, Program Development, Command-Line Interface, Code Reusability, Package and Software Management
Advanced · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Image Analysis, Computer Vision, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Microsoft Azure, AI literacy, Model Training, Applied Machine Learning, Data Capture, Model Deployment, Classification Algorithms, Application Development
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Web Design, Web Content, Web Design and Development, Web Development, Web Presence, Information Architecture
Beginner · Guided Project · Less Than 2 Hours

Fractal Analytics
Skills you'll gain: Generative AI, Generative Model Architectures, Object Oriented Programming (OOP), Artificial Neural Networks, Computer Programming, Debugging, Python Programming, Critical Thinking
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Collaboration, Team Collaboration, Leadership, Presentations, Creativity, Ideation, Teamwork, Innovation, Team Building, People Management, Persuasive Communication, Influencing, Drive Engagement, Storytelling, Communication, Social Skills, Decision Making
Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Conflict Management, Professional Networking, Employee Coaching, Meeting Facilitation, Relationship Management, Relationship Building, Communication Strategies, Communication, Mentorship, Active Listening, Interpersonal Communications, Verbal Communication Skills, People Management, Constructive Feedback, Influencing, Rapport Building, Coaching, People Development, Collaboration, Leadership
Advanced · Course · 1 - 3 Months