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: Systems Thinking, Epidemiology, Systems Analysis, Social Network Analysis, Simulations, Health Disparities, Network Analysis, Public Health, Policy Analysis, Social Determinants Of Health, Behavioral Health, Economics, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Containerization, Prompt Engineering, AI Orchestration, Scalability, AI Workflows, Application Deployment, Kubernetes, Agentic Workflows, Azure Active Directory, System Monitoring, LangChain, Generative AI Agents, Microservices, Microsoft Azure, Artificial Intelligence, Distributed Computing, Serverless Computing, Natural Language Processing, Reinforcement Learning
Intermediate · Professional Certificate · 3 - 6 Months

LearnQuest
Skills you'll gain: Incident Response, Cyber Threat Hunting, Computer Security Incident Management, Intrusion Detection and Prevention, Cyber Threat Intelligence, Continuous Monitoring, Threat Detection, Cloud Security, Disaster Recovery, Threat Management, Firewall, Security Management, Network Security, Cybersecurity, Cloud Services, AI Security, Network Monitoring, Security Strategy, Information Systems Security, Cloud Management
Advanced · Specialization · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Ansible, Development Environment, Postman API Platform, Restful API, Authentications, YAML, Software Development Methodologies, Software-Defined Networking, CI/CD, DevOps, IT Automation, Network Engineering, Network Architecture, Network Administration, Application Programming Interface (API), Scripting, JSON, Data Modeling, Version Control, Network Protocols
Beginner · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Software-Defined Networking, Network Engineering, Network Architecture, Scripting, Application Programming Interface (API), Data Modeling, General Networking, Network Planning And Design, Automation, Network Administration, Linux Commands, Python Programming, Network Protocols, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Robotics, Automation, Artificial Intelligence, Manufacturing and Production, Engineering, Data Ethics, Electrical Engineering, Computer Vision, Control Systems, Biomedical Engineering, Computer Programming
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Education Software and Technology, Mathematics Education, Growth Mindedness, Digital pedagogy, Simulation and Simulation Software, Simulations, User Feedback, Interactive Design, Experimentation, Scientific Visualization, Chemistry, Display Devices, Physics, Graphing, Biology, Algebra, Geometry
Beginner · Specialization · 3 - 6 Months

Macquarie University
Skills you'll gain: Design Thinking, Emerging Technologies, Digital Transformation, Innovation, Business Modeling, Business Transformation, Strategic Thinking, Technology Strategies, Business Strategies, Organizational Change, Augmented Reality, Market Analysis, Virtual Reality, Internet Of Things, Artificial Intelligence
Beginner · Course · 1 - 3 Months

Skills you'll gain: Musical Composition, Music, Instrumental Music, Music Performance, Education Software and Technology, Music Theory, World Music, Teaching, Classroom Management, Cultural Responsiveness, Active Listening, Creativity, Collaboration
Intermediate · Course · 1 - 4 Weeks

Edureka
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Agentic Workflows, Prompt Engineering, Anthropic Claude, AI Orchestration, Application Programming Interface (API), Prompt Patterns, Restful API, Prompt Engineering Tools, LLM Application, JSON, Generative AI Agents, Tool Calling, Generative AI, Artificial Intelligence, Agentic systems, Automation, Scalability, Servers
Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Clinical Trials, Pharmacology, Clinical Research, Psychiatry, Psychotherapy, Research Design, Research Methodologies, Mental Health Therapies, Pharmacotherapy, Clinical Research Ethics, Healthcare Ethics, Research, Psychiatric Assessments, Psychology, Informed Consent, Mental Health Diseases and Disorders, Neurology, Social Studies, Ancient History
Mixed · Course · 1 - 4 Weeks