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.

University of Pennsylvania
Skills you'll gain: Human Capital, People Management, Leadership and Management, Leadership Studies, Decision Making, Organizational Structure, Organizational Effectiveness, Organizational Change, Employee Performance Management, Performance Management, Team Motivation, Compensation Management, Change Management, Job Analysis, Recruitment
★ 4.5 (2.6K) · Beginner · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Game Design, Video Game Development, Storytelling, Software Design Documents, Ideation, Writing
★ 4.7 (1.3K) · Beginner · Course · 1 - 4 Weeks

Universidad Austral
Skills you'll gain: Negotiation, Conflict Management, Communication, Coaching, Collaboration, Personal Attributes, Emotional Intelligence
★ 4.7 (859) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Services, Email Automation, Scripting, Automation, Python Programming, Restful API, IT Automation, Application Programming Interface (API), JSON, System Monitoring
★ 4.8 (3K) · Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Object Oriented Programming (OOP), C++ (Programming Language), Object Oriented Design, Memory Management, Computer Programming, Code Reusability, Programming Principles, Algorithms, Data Structures, Data Manipulation
★ 4.4 (59) · Beginner · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Diagnostic Radiology, Medical Imaging, Radiography, X-Ray Computed Tomography, Medical Ultrasonography, Magnetic Resonance Imaging, Diagnostic Tests, Neurology, Image Analysis, Anatomy
★ 4.8 (387) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Public Speaking, Presentations, Oral Expression, Verbal Communication Skills, Storytelling, Drive Engagement, Persuasive Communication, Communication, Driving engagement, Non-Verbal Communication, Business Writing, Rapport Building, Composure, Adaptability, Creativity
★ 4.8 (4.9K) · Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Virtual Reality, Augmented and Virtual Reality (AR/VR), 3D Assets, Unity Engine, Visualization (Computer Graphics), Virtual Environment, Computer Graphics, Video Game Development, Computer Graphic Techniques, Game Design, Performance Tuning
★ 4.6 (386) · Intermediate · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Constructive Feedback, Higher Education, Instructional Design, Program Standards, Planning, Reliability, Analytical Skills, Decision Making, Collaboration
★ 4.8 (423) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Ethics, Generative AI Agents, Generative AI, Software Design Documents, Software Design, AI Integrations, Software Architecture, Agentic Workflows, Continuous Integration, Software Development, Prompt Patterns, LLM Application, Application Security, Software Engineering, Code Review, Debugging, DevSecOps
★ 4.5 (245) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Orchestration, AI Workflows, LangChain, Agentic Workflows, Tool Calling, LangGraph, LLM Application, Agentic systems, Generative AI Agents, Responsible AI, Retrieval-Augmented Generation, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, AI Integrations, Prompt Engineering, Large Language Modeling, Software Design Patterns, Software Development, Python Programming, Application Development
★ 4.7 (241) · Intermediate · Specialization · 1 - 3 Months

GitLab
Skills you'll gain: Telecommuting, Management Training And Development, Team Performance Management, Virtual Teams, Team Management, Human Resources Management and Planning, Culture Transformation, Strategic Leadership, Performance Metric, Leadership and Management, Team Leadership, Organizational Change, Organizational Development, Organizational Strategy, Business Transformation, Organizational Leadership, Change Management, Employee Performance Management, Collaboration, Business Strategy
★ 4.8 (1K) · Intermediate · Course · 1 - 3 Months