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: 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

Universiteit Leiden
Skills you'll gain: Health Disparities, Health Systems, Health Promotion, Value-Based Care, Public Health, Health Care, Health Policy, Social Determinants Of Health, Community Health, Preventative Care, Epidemiology, Risk Analysis
Mixed · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Energy and Utilities, Climate Change Mitigation, Electrical Power, Environmental Issue, Sustainable Design, Hydrology, Electric Power Systems, Time Series Analysis and Forecasting, Water Resource Management, Predictive Modeling, Environment, Estimation, Mathematical Modeling, Physical Science
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: SQL, Oracle Databases, PL/SQL, Database Management, Relational Databases, Database Design, Databases, Data Modeling
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Verbal Communication Skills, Team Building, Assertiveness, Business Communication, Communication, Conflict Management, Non-Verbal Communication, Interpersonal Communications, Professionalism, Collaboration, Intercultural Competence, Cultural Responsiveness, Virtual Teams
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Portfolio Management, Investment Management, Risk Management, Financial Management, Wealth Management, Finance, Financial Market, Investments, Financial Planning, Financial Analysis, Asset Management, Business Valuation, Market Dynamics, Quantitative Research
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Spring Framework, Java, Dependency Analysis, Maintainability, Object Oriented Programming (OOP), Extensible Markup Language (XML), Software Design, Software Architecture, Testability
Intermediate · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Electronic Systems, Electronics, Electronic Components, Basic Electrical Systems, Engineering Design Process, Schematic Diagrams, Performance Testing, System Design and Implementation, Engineering Analysis, Mathematical Modeling, Engineering Calculations
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Pharmacology, Pharmaceuticals, Medical Science and Research, Medication Administration, Research, Substance Abuse, Health Care, Clinical Research, Mental and Behavioral Health, Patient Safety, Public Health, Health Policy, Epidemiology, Public Policies, Research Design, Risk Analysis, Biology, Research Methodologies, Legal Research
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Object Oriented Programming (OOP), Test Script Development, Test Tools, Software Testing, Programming Principles, Software Installation, Scripting, Python Programming, Development Environment, Integrated Development Environments, Debugging
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, Application Programming Interface (API), Information Architecture, Natural Language Processing, Technical Documentation
Intermediate · Course · 1 - 4 Weeks

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