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 Michigan
Skills you'll gain: JSON, jQuery, Javascript and jQuery, Ajax, Debugging, Web Development Tools, Event-Driven Programming, Javascript, PHP (Scripting Language), Object Oriented Programming (OOP), Data Import/Export, Web Applications
★ 4.6 (850) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, MongoDB, Responsive Web Design, Full-Stack Web Development, HTML and CSS, Cascading Style Sheets (CSS), Front-End Web Development, Bootstrap (Front-End Framework), Server Side, Web Design and Development, Frontend Integration, Web Design, Middleware, Web Development, Javascript, Angular, Web Applications, jQuery, Restful API, Semantic Web
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Vibrations, Mechanical Engineering, Structural Analysis, Mechanics, Engineering Analysis, Control Systems, Torque (Physics), Engineering Calculations, Mechanical Design, Market Dynamics, Systems Design, Physics, Analysis, Simulations, Simulation and Simulation Software, Design, Probability Distribution, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

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

Sage Publications
Skills you'll gain: Experimentation, Research Design, Psychotherapy, Laboratory Equipment, Survey Creation, Psychology, Scientific Methods, Surveys, Computer Displays, Laboratory Research, Display Devices, Debugging, Sensory Systems Analysis, Image Quality, Research and Design, Data Collection, Performance Testing, Electrophysiology, Industrial and Organizational Psychology, Psychosocial Assessments
Intermediate · Course · 3 - 6 Months

Rice University
Skills you'll gain: Cost Estimation, Project Scoping, Communication Planning, Cost Management, Engineering Management, Scope Management, Project Estimation, Project Schedules, Earned Value Management, Team Management, Quality Assurance, Stakeholder Management, Team Performance Management, Risk Management, Organizational Structure, Project Documentation, Stakeholder Engagement, Project Management, Procurement, Planning
★ 4.7 (4.9K) · Beginner · Specialization · 3 - 6 Months
Chris Croft Training
Skills you'll gain: Creative Problem-Solving, Creative Thinking, Brainstorming, Ideation, Creativity, Problem Solving, Innovation, Critical Thinking and Problem Solving, Cognitive flexibility, Open Mindset, Critical Thinking, Strategic Thinking, Independent Thinking, Thought Leadership, AI powered creativity, Collaboration, Creative Design, Initiative and Leadership, Leadership, Leadership and Management
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Database Design, SQL, Database Management Systems, Database Development, NoSQL, Relational Databases, Data Warehousing, Database Theory, Database Systems, Database Architecture and Administration, Databases, Database Software, Database Administration, Data Store, Database Management, Data Modeling, Query Languages, Big Data, Data Architecture, Database Application
★ 4.7 (1.5K) · Beginner · Specialization · 3 - 6 Months

Peking University
Skills you'll gain: Data Structures, Algorithms, C++ (Programming Language), Memory Management, C and C++, Graph Theory, Object Oriented Programming (OOP), File I/O, Object Oriented Design, Computational Thinking, C (Programming Language), Programming Principles, Theoretical Computer Science, Program Development, Computer Programming, Computer Science, Application Development, Systems Development, Data Storage, Computer Architecture
★ 4.8 (2.7K) · Beginner · Specialization · 3 - 6 Months

University of Cambridge
Skills you'll gain: Physical Science, Physics, Scientific Methods, General Science and Research, Taxonomy, electromagnetics, Environment, Spatial Data Analysis, Research, Image Analysis, Data Mapping, Data Analysis, Scientific Visualization, General Mathematics, Estimation
Intermediate · Course · 1 - 3 Months

Universidade de São Paulo
Skills you'll gain: Unified Modeling Language, Model View Controller, Object Oriented Programming (OOP), Object Oriented Design, Software Design Patterns, Debugging, Software Architecture, Software Design, Java Programming, Computer Programming, Software Testing, Other Programming Languages
★ 4.8 (191) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Brand Strategy, Portfolio Management, Web Presence, Branding, Web Content, Professional Networking, Digital Brand Strategy, Web Design and Development, Content Management Systems, Personal Development, Layout Design, Usability Testing, Goal Setting, User Experience, Graphic and Visual Design
Beginner · Course · 1 - 4 Weeks