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.

Queen Mary University of London
Skills you'll gain: Stakeholder Management, Organizational Change, Time Management, Organizational Effectiveness, Organizational Leadership, Leadership and Management, Organizational Structure, Business Leadership, Team Leadership, Leadership, Executive Presence, Influencing, Personal Development
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Photo Editing, Facebook, Digital Advertising, Graphic Design, Marketing Design, Social Media Content, Social Media Marketing, Advertising, Social Media, Dashboard, Marketing, User Accounts, Business
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Selenium (Software), Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Eclipse (Software), Test Tools, File Management, Cascading Style Sheets (CSS), Test Automation, Computer Programming, Development Environment, Integrated Development Environments, Software Testing, Test Script Development, Web Scraping, Data Validation, Test Case, Web Development Tools, Data Structures
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Mammography, Artificial Intelligence, Medical Imaging, Image Analysis, Oncology, Diagnostic Radiology, Bayesian Network, Artificial Neural Networks, Radiography, Machine Learning, Model Evaluation, Epidemiology, Deep Learning
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Global Marketing, Culture, Cultural Diversity, Management Training And Development, Intercultural Competence, B2B Sales, Target Market, Market Opportunities, Business Marketing, Human Resources, Human Resources Management and Planning, Organizational Strategy, Marketing Strategies, Organizational Structure, Communication Strategies
Beginner · Course · 1 - 3 Months

University of Amsterdam
Skills you'll gain: Sociology, Social Sciences, Systems Thinking, Economics, Policy, and Social Studies, Cultural Diversity, Policy Analysis, Environmental Science, Spatial Analysis, Case Studies, Human Centered Design, Public Policies, Qualitative Research, Sustainable Engineering, Environment and Resource Management, European History
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Apache Maven, Spring Framework, Microservices, Java Platform Enterprise Edition (J2EE), Spring Boot, Java, Java Programming, Back-End Web Development, Software Architecture, Load Balancing, Application Servers, Restful API, Web Applications, Scalability
Advanced · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Experimentation, Statistical Analysis, Statistical Methods, Variance Analysis, Data Analysis, Sample Size Determination, Statistical Modeling
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Claude Code, Vibe coding, Anthropic Claude, Model Context Protocol, Application Development, Command-Line Interface, Application Design, Programming Principles, Generative AI, Automation, Generative AI Agents, Image Analysis, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems
Intermediate · Course · 1 - 4 Weeks

University of New Mexico
Skills you'll gain: Global Marketing, International Finance, Intercultural Competence, Organizational Structure, Business, Small Business Accounting, Business Management, Market Analysis, Economics, Workforce Management, Cultural Diversity, Business Strategy, Entrepreneurship, Market Dynamics, Business Intelligence
Mixed · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Design Elements And Principles, Graphic and Visual Design, Content Creation, Design, Graphic Design, Photo Editing
Beginner · Guided Project · Less Than 2 Hours

Alfaisal University | KLD
Skills you'll gain: Talent Management, Human Capital, People Management, Human Resources Management and Planning, Human Resources, Talent Acquisition, Employee Performance Management, Organizational Structure
Beginner · Course · 1 - 4 Weeks