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.

New York University
Skills you'll gain: Clinical Trials, Experimentation, Environment and Resource Management, Sample Size Determination, Research Design, Continuous Quality Improvement (CQI), Program Evaluation, Social Impact, Science and Research, Clinical Research, Statistical Methods, Research Methodologies, Statistical Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Test Script Development, Test Automation, Test Tools, Verification And Validation, Software Testing, Scenario Testing, Web Development Tools, Test Case, Development Testing, Data Validation, Debugging
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Internet Of Things, General Networking, Network Protocols, Network Infrastructure, Wireless Networks, Information Systems Security, Security Engineering, Cybersecurity, Real-Time Operating Systems, Communication Systems, Data Security, Cryptographic Protocols, Emerging Technologies, Computing Platforms, Advanced Encryption Standard (AES), Software-Defined Networking, Cryptography, Cloud Platforms, Encryption
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Payment Systems, Infrastructure Security, Cyber Risk, Network Infrastructure, Security Awareness, Data Integrity, Verification And Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Animations, Graphic and Visual Design, Graphic Design, Graphic and Visual Design Software, Collaborative Software, Social Media Content, Motion Graphics, Social Media, Social Media Marketing, Content Creation, Social Media Strategy, Multimedia, Shared Media, Photo/Video Production and Technology, User Accounts
Intermediate · Guided Project · Less Than 2 Hours
Skills you'll gain: Containerization, LangChain, Microservices, Application Deployment, Cloud Deployment, Docker (Software), Cloud-Native Computing, Model Deployment, Kubernetes, LLM Application, Large Language Modeling, MLOps (Machine Learning Operations), AI Orchestration, AI Integrations, Distributed Computing, Site Reliability Engineering, Prometheus (Software), API Design, Scalability, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, API Design, Application Programming Interface (API), Security Controls, Virtual Environment, Development Environment, Python Programming, Secure Coding, Data Access, User Accounts, Package and Software Management, Application Security, Encryption
Intermediate · Guided Project · Less Than 2 Hours

University of Lausanne
Skills you'll gain: Health Systems, Systems Thinking, Public Health, Model Based Systems Engineering, Public Health and Disease Prevention, Community Health, Simulation and Simulation Software, Systems Analysis, Mathematical Modeling, Control Systems
Intermediate · Course · 1 - 3 Months

Institut Mines-Télécom
Skills you'll gain: digital literacy, Digital Communications, Emerging Technologies, Digital Transformation, Communication, Media and Communications, Digital Assets, Safety and Security, AI powered creativity, Cyber Governance, Digital Analysis, Digital Content, Technology Strategies, Law, Regulation, and Compliance, Human Computer Interaction, Cybersecurity, Data Security, Cyber Attacks, Personally Identifiable Information, Empathy & Emotional Intelligence
Beginner · Course · 1 - 3 Months

Skills you'll gain: Technical Documentation, Solution Architecture, Model Deployment, Software Documentation, AI Integrations, MLOps (Machine Learning Operations), Artificial Intelligence and Machine Learning (AI/ML), Systems Architecture, Systems Development Life Cycle, Cloud Computing Architecture, Data Architecture, Data Integration, Systems Design, Functional Specification, Data Pipelines, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Deepseek, DeepSeek API, AI Orchestration, LLM Application, Generative AI Agents, Artificial Intelligence, Model Deployment, Large Language Modeling, Generative Model Architectures, Software Installation, Development Environment, Open Source Technology, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Leaflet (Software), React.js, Application Deployment, Application Development, Web Design and Development, Cloud Deployment, Web Development, Responsive Web Design, UI Components, Interactive Design, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks