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.

Johns Hopkins University
Skills you'll gain: Health Equity, Health Disparities, Social Determinants Of Health, Public Health, Health Policy, Community Health, Patient-centered Care, Health Promotion, Epidemiology, Community Outreach, Health Systems, Research Design, Research, Cultural Responsiveness, Media and Communications
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Survey Creation, Sampling (Statistics), Quantitative Research, Research Methodologies, Data Analysis, Data Quality, Research Design, Model Evaluation, Data Transformation, Statistical Analysis, Data Modeling, Statistical Methods
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Web Development, Flask (Web Framework), Restful API, Cloud Deployment, Selenium (Software), Front-End Web Development, Web Applications, Full-Stack Web Development, Object-Relational Mapping, JavaScript Frameworks, Application Security, HTML and CSS, Back-End Web Development, Databases, Application Programming Interface (API), Python Programming, Vue.JS, Relational Databases, SQL, Collaboration
Beginner · Course · 1 - 3 Months

Skills you'll gain: Computer Hardware, Hardware Architecture, Data Storage Technologies, System Configuration, Computer Architecture, Operating Systems, Software Installation, Peripheral Devices, Computer Displays
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: GitHub, Responsive Web Design, React.js, Front-End Web Development, HTML and CSS, Version Control, Web Development, Web Design and Development, Code Review, Web Analytics and SEO, Database Development, Figma (Design Software), Mockups, Software Development
Advanced · Course · 1 - 3 Months

Skills you'll gain: Large Language Modeling, Natural Language Processing, LLM Application, Generative AI Agents, Prompt Engineering, Test Case, Agentic systems, User Interface (UI), Artificial Intelligence and Machine Learning (AI/ML), Performance Testing, Debugging, Applied Machine Learning, Artificial Intelligence, Machine Learning Algorithms, Classification Algorithms, Decision Support Systems, Model Evaluation, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Exploit development, OSI Models, Network Security, Exploitation techniques, TCP/IP, Cybersecurity, Vulnerability Scanning, Metasploit, Malware Protection, Network Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Cyber Attacks, Wireless Networks, Application Security, Cyber Security Assessment, Network Monitoring, Linux, Object Oriented Programming (OOP), General Networking, Security Awareness
Intermediate · Specialization · 3 - 6 Months

Universidad de los Andes
Skills you'll gain: Resilience, Storytelling, Experimentation, Persistence, Leadership, Professional Development, Emotional Intelligence, Innovation, Self-Awareness, Collaboration
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Programming Principles, Computer Programming, Python Programming, Program Development, Algorithms, Computational Thinking, Data Structures
Mixed · Course · 1 - 3 Months

Queen Mary University of London
Skills you'll gain: Proposal Development, Market Research, Data Collection, Research Design, Research Methodologies, Business Research, Surveys, Research, Market Analysis, Qualitative Research, Data Analysis, Business Reporting, Business Ethics
Beginner · Course · 1 - 4 Weeks

University of Lausanne
Skills you'll gain: Laboratory Testing, Analytical Testing, Biochemistry, Legal Proceedings, Pharmacology, Sports Medicine, Culture, Social Sciences, Sociology, Social Determinants Of Health, Law, Regulation, and Compliance, Ethical Standards And Conduct
Mixed · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: AI Security, Information Privacy, Data Security, Responsible AI, Data Governance, Data Management, Cyber Risk, Data Sharing, Cyber Attacks, Cloud Security, Cyber Security Strategy, Data Loss Prevention, Cybersecurity, Data Integrity, Security Management, Security Controls, Security Awareness, Artificial Intelligence and Machine Learning (AI/ML), Cyber Operations, Data Science
Beginner · Specialization · 3 - 6 Months