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: Application Deployment, Integration Testing, Object-Relational Mapping, API Design, ASP.NET, Database Design, Enterprise Architecture, Docker (Software), Database Systems, Systems Integration, Data Validation, Business Logic, Development Environment
Intermediate · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Bioinformatics, Epidemiology, Graph Theory, Infectious Diseases, Program Development, Molecular Biology, Computational Thinking, Algorithms, Software Development
Advanced · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Radiation Therapy, electromagnetics, High Voltage, Medical Devices, Engineering, Scientific, and Technical Instruments, Electrical Engineering, Electronics, Electronics Engineering, Medical Equipment and Technology, Physics, Equipment Design, Electrical Power, Materials science, Simulation and Simulation Software, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

Sungkyunkwan University
Skills you'll gain: Ancient History, Culture, Diagram Design, Intercultural Competence, Cultural Diversity, Liberal Arts, Language Learning, Research, Language Interpretation, Translation, and Studies, World History, Social Studies, Anthropology, Discussion Facilitation
Beginner · Specialization · 3 - 6 Months
DeepLearning.AI
Skills you'll gain: Model Evaluation, Applied Machine Learning, Image Analysis, Environmental Monitoring, Convolutional Neural Networks, Artificial Intelligence, Climate Change Mitigation, Artificial Neural Networks, Machine Learning Methods, Deep Learning, Data Processing, Forecasting, Computer Vision, Predictive Modeling, Environmental Science, Supervised Learning
Beginner · Course · 1 - 4 Weeks

University of Amsterdam
Skills you'll gain: Sociology, Social Sciences, Systems Thinking, Economics, Policy, and Social Studies, Cultural Diversity, Policy Analysis, Environmental Science, Spatial Analysis, Case Studies, Human Centered Design, Public Policies, Qualitative Research, Sustainable Engineering, Environment and Resource Management, European History
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Bash (Scripting Language), Shell Script, Linux, Scripting, Linux Commands, Linux Administration, Unix Shell, Operating System Administration, Data Persistence, Unix Commands, Systems Administration, Command-Line Interface, IT Automation, Unix, Cloud Hosting, Object-Relational Mapping, YAML, Python Programming, File Transfer Protocol (FTP), Automation
Beginner · Specialization · 3 - 6 Months

Universidade Estadual de Campinas
Skills you'll gain: Video Game Development, Game Design, Aesthetics, Art History, Culture, Liberal Arts, Creativity, Design, Cultural Diversity, Systems Thinking, Social Impact
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Quality, Data Management, Technical Communication, Data Analysis, Data-Driven Decision-Making, Statistical Analysis, Data Science, Statistical Machine Learning, Statistical Inference, Statistics, A/B Testing, Statistical Modeling
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, AI Orchestration, Agentic systems, Development Environment, AI Enablement, Model Evaluation, OpenAI, Scalability, Programming Principles, Application Design, Performance Tuning, Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Postman API Platform, API Testing, JSON, Application Programming Interface (API), Test Script Development, Software Testing, Restful API, Test Case, Functional Testing
Beginner · Guided Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: Database Systems, Relational Databases, Database Management, Database Theory, Databases, SQL, Database Design, Database Management Systems, Database Architecture and Administration, Data Access, Query Languages, Data Modeling, Data Manipulation, User Accounts
Build toward a degree
Beginner · Course · 1 - 4 Weeks