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: 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

University of Colorado Boulder
Skills you'll gain: Electrical Power, Power Electronics, Electrical Systems, Torque (Physics), Electronic Components, Electric Power Systems, Electrical Equipment, Basic Electrical Systems, Semiconductors, Electrical Engineering, Mechanical Engineering, Mechanical Design, Electronic Systems, Engineering Calculations, Low Voltage, Electronics, High Voltage, Machine Controls, Energy and Utilities, Thermal Management
Beginner · Specialization · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Competitive Analysis, Value Propositions, Target Market, Product Improvement, Product Management, User Experience, Product Development, Product Design, Product Strategy, New Product Development, Customer Analysis, Market Analysis, Product Requirements, User Feedback, Product Testing, Needs Assessment, Ideation
Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Microsoft Excel, Spreadsheet Software, Excel Formulas, Dashboard, Data Entry, Productivity Software, Business Reporting, Data Cleansing, Data Visualization, Data Management, Analytics, Data Validation
Build toward a degree
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Model Based Systems Engineering, Systems Engineering, Requirements Analysis, Test Engineering, Systems Thinking, Systems Architecture, Test Planning, Systems Analysis, Functional Requirement, Risk Management Framework, System Testing, System Requirements, Verification And Validation
Build toward a degree
Beginner · Course · 1 - 3 Months

University of Cambridge
Skills you'll gain: AI Security
Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Microsoft Azure, Development Testing, Application Deployment, LLM Application, Multimodal Prompts, Artificial Intelligence, Test Case, Agentic systems, Retrieval-Augmented Generation, Application Programming Interface (API), Natural Language Processing, Technical Documentation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Planning And Design, Microsoft Azure, Network Troubleshooting, Network Security, Network Architecture, Network Monitoring, Load Balancing, Virtual Networking, Network Performance Management, Network Administration, Network Infrastructure, Scalability, Computer Networking, Firewall, Virtual Private Networks (VPN), Performance Tuning, Cloud Deployment, Wide Area Networks, Role-Based Access Control (RBAC), General Networking
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Generative AI, A/B Testing, Copywriting, Advertising, Marketing, ChatGPT, Content Creation, Marketing Strategies, Marketing Analytics, Customer Insights, Social Media Content
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: C++ (Programming Language), Data Structures, File I/O, Data Store, Data Cleansing, Data Mapping, Data Integrity
Intermediate · Guided Project · Less Than 2 Hours

Institut Mines-Télécom
Skills you'll gain: Augmented Reality, Augmented and Virtual Reality (AR/VR), Mobile Development, Android (Operating System), Image Analysis, 3D Assets, Geospatial Information and Technology, Computer Vision, Global Positioning Systems, Prototyping, User Interface (UI)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Vector Databases, AI Personalization, Hugging Face, MongoDB, Embeddings, NoSQL, PostgreSQL, Relational Databases, Generative AI, SQL, Databases, LLM Application, Applied Machine Learning, Database Design, Database Management, Artificial Intelligence, Apache Cassandra, Text Mining, Machine Learning, Data Science
Intermediate · Specialization · 1 - 3 Months