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.

Skills you'll gain: WordPress, Web Design and Development, HTML and CSS, Web Analytics and SEO, Content Management Systems, Web Content, Cloud Hosting, Web Servers, Application Security
Beginner · Course · 1 - 3 Months

École normale supérieure
Skills you'll gain: Theoretical Computer Science, Combinatorics, Algorithms, Graph Theory, Computational Thinking, Mathematical Modeling, Probability
Mixed · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: LangGraph, LangChain, AI Workflows, LLM Application, Agentic systems, Prompt Engineering, Data Persistence, Context Management, Human Centered Design
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Responsive Web Design, HTML and CSS, JSON, React.js, Jest (JavaScript Testing Framework), Hypertext Markup Language (HTML), Javascript, Bootstrap (Front-End Framework), Ajax, Web Design, Web Development Tools, Web Design and Development, Cascading Style Sheets (CSS), Software Testing, UI Components, Web Development, Front-End Web Development, Mobile Development, JavaScript Frameworks, Test Case
Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Sustainability Reporting, Organizational Change, Sustainable Design, Stakeholder Analysis, Environmental Social And Corporate Governance (ESG), Sustainable Business, Corporate Sustainability, Leadership and Management, Key Performance Indicators (KPIs), Change Management, Stakeholder Management, Leadership, Product Lifecycle Management
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Community Health, Community Development, Public Health, Social Determinants Of Health, Health Promotion, Public Health and Disease Prevention, Health Disparities, Health Policy, Community and Social Work, Health Systems, Political Sciences, Program Evaluation, Cultural Diversity, Case Studies
Mixed · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), C# (Programming Language), Object Oriented Design, Application Development, Data Structures, Linux
Intermediate · Guided Project · Less Than 2 Hours

American Psychological Association
Skills you'll gain: Institutional Review Board (IRB), Research, Scientific Methods, Ethical Standards And Conduct, Research Design, Data Collection, Research Methodologies, Informed Consent, Psychology, Research and Design, Cultural Diversity
Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Responsible AI, Culture Transformation, Innovation, Organizational Change, Design Thinking, Business Transformation, Strategic Leadership, Product Lifecycle Management, Global Marketing, Entrepreneurship, Business Communication, Artificial Intelligence, Change Management, Organizational Leadership, Business Modeling, Generative AI, AI Product Strategy, Machine Learning, Business Strategy, Strategic Planning
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Data Mining, Education Software and Technology, Program Evaluation, Big Data, Analytics, Analysis, Data Ethics, Data Access, Natural Language Processing
Beginner · Course · 1 - 4 Weeks

Instituto Tecnológico de Aeronáutica
Skills you'll gain: User Story, Agile Software Development, Backlogs, Agile Methodology, Scrum (Software Development), Sprint Retrospectives, Test Driven Development (TDD), Requirements Analysis, Sprint Planning, Software Development Methodologies, Software Engineering, Program Development, Diagram Design, Software Development
Intermediate · Course · 1 - 4 Weeks

The Pennsylvania State University
Skills you'll gain: Geographic Information Systems, Case Studies, Climate Change Programs, Systems Thinking, Design Thinking, Geospatial Information and Technology, Sustainable Design, Spatial Analysis, Collaborative Software, Decision Support Systems, Cultural Responsiveness
Beginner · Course · 1 - 3 Months