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.

Columbia University
Skills you'll gain: Computer Vision, Image Analysis, Dimensionality Reduction, Artificial Neural Networks, Machine Learning Methods, Deep Learning, Graph Theory, Machine Learning Algorithms
★ 4.6 (35) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Spring Boot, Application Development, API Testing, Java Programming, Web Development, Program Development, Application Frameworks, Software Testing, Test Case, Secure Coding, Development Environment, Model View Controller, Software Development Tools, UI Components, Data Access, Authentications, SQL, Object Oriented Programming (OOP), Data Persistence, User Interface (UI)
★ 4.7 (19) · Intermediate · Specialization · 1 - 3 Months

L&T EduTech
Skills you'll gain: Electrical Substation, Control Systems, Electrical Systems, High Voltage, Electrical Equipment, Electric Power Systems, Low Voltage, Electrical Power, Electrical Safety, Plant Operations and Management, Three-Phase, Schematic Diagrams, Safety Standards, Technical Standard, Construction, Thermal Management
★ 4.9 (82) · Intermediate · Course · 1 - 3 Months

Board Infinity
★ 4 (50) · Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Network Model, IT Automation, Network Engineering, Scripting, Application Programming Interface (API), Data Modeling, General Networking, Network Planning And Design, Automation, Network Administration, Scripting Languages, Linux Commands, Python Programming, Restful API, Network Protocols, Command-Line Interface, Program Development
★ 4.6 (92) · Intermediate · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Machine Controls, Simulation and Simulation Software, Model Based Systems Engineering, Mechanical Engineering, Control Systems, Computer Vision, Laboratory Experience, Simulations, Image Analysis, Robotics, Experimentation, Matlab, Electronic Systems, Vibrations, Hydraulics, Mathematical Modeling, Engineering Analysis, Automation, Model Evaluation, Data Validation
★ 4.5 (29) · Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Apple iOS, iOS Development, Video Game Development, Mobile Development, Geographic Information Systems, Game Design, Interactive Design, Animation and Game Design, Geospatial Information and Technology, Animations, Interaction Design, Human Computer Interaction, Global Positioning Systems, Computer Graphic Techniques, Event-Driven Programming, Knowledge of Apple Hardware
★ 4.5 (55) · Mixed · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Data Structures, Python Programming, Computational Logic, Programming Principles, Data Storage, Code Reusability, Program Development, Computer Programming
★ 4.5 (35) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Context Protocol, Responsible AI, LangGraph, AI Integrations, AI Workflows, AI Orchestration, Agentic Workflows, LangChain, Generative AI Agents, CrewAI, OpenAI API, Agentic systems, LLM Application, Tool Calling, Case Studies, OpenAI, Governance, Compliance Management, Model Deployment, AI Security
★ 2.4 (32) · Intermediate · Specialization · 3 - 6 Months

Tecnológico de Monterrey
Skills you'll gain: Succession Planning, Innovation, Business Modeling, Value Propositions, Governance, Entrepreneurship, Lean Methodologies, Leadership and Management, Product Development, Organizational Leadership, Leadership, Business Leadership, Business Architecture, New Product Development, Ideation, People Development, Business Strategies, Strategic Leadership, Sales Presentations, Leadership Development
★ 4.3 (61) · Advanced · Specialization · 3 - 6 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Operating Systems, Operating System Administration, Memory Management, OS Process Management, System Software, System Programming, Command-Line Interface, Linux Administration, File Systems, System Monitoring, Performance Tuning, Package and Software Management, Systems Architecture, File Management, Algorithms, Cloud Platforms, User Accounts, Security Controls, Data Sharing
★ 4.9 (15) · Intermediate · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: GitHub Copilot, Vibe coding, Claude Code, Software Development Tools, AI Workflows, Prompt Engineering, Code Review, Software Development, Generative AI Agents, Web Development Tools, Software Engineering, Web Development, Design Software, Generative AI, Front-End Web Development, Artificial Intelligence, Javascript, AI Personalization, React.js, Application Deployment
★ 4.4 (66) · Beginner · Specialization · 3 - 6 Months