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.

University of Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Plot (Graphics), Interactive Data Visualization, Data Presentation, Infographics, Data Visualization Software, Data Wrangling, Data Storytelling, Plotly, Matplotlib, Journalism, Graphing, Graphic and Visual Design, Color Theory, Visual Storytelling, Data Manipulation, Data Transformation, Design Elements And Principles, Data Analysis, Statistical Analysis
★ 4.5 (69) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Deployment, Apache Spark, Data Pipelines, PySpark, Model Training, Applied Machine Learning, Model Optimization, Machine Learning Algorithms, Docker (Software), Machine Learning, Data Science, Python Programming, Design Thinking
★ 4.3 (65) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Keyword Research, Digital Publishing, Content Optimization, Search Engine Optimization, Intellectual Property, Layout Design, Account Management, Accounting
★ 4.3 (99) · Beginner · Guided Project · Less Than 2 Hours

Erasmus University Rotterdam
Skills you'll gain: Stakeholder Analysis, Stakeholder Management, Stakeholder Engagement, Performance Measurement, Market Opportunities, Business Modeling, Stakeholder Communications, Sustainable Development, Environmental Issue, New Business Development, Key Performance Indicators (KPIs), Business Analysis, Sustainable Business, Sustainable Systems, Land Management, Environmental Resource Management, Systems Analysis, Financial Analysis, Systems Thinking, Strategic Planning
★ 4.7 (51) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: PHP (Scripting Language), Model View Controller, Restful API, Secure Coding, Web Development, Object-Relational Mapping, Web Applications, Full-Stack Web Development, Development Environment, Software Testing, Development Testing, Back-End Web Development, Security Controls, API Design, Application Frameworks, Database Management, Web Frameworks, Application Programming Interface (API), Application Security, Database Development
★ 4.2 (10) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Web Scraping, Scripting, Test Script Development, Version Control, GitHub, Unstructured Data, Git (Version Control System), Scripting Languages, Automation, Shell Script, Email Automation, Unit Testing, File Systems, File I/O, Command-Line Interface, File Management, Cloud API, Restful API, Application Programming Interface (API), Productivity
★ 3.7 (51) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Eclipse (Software), Integrated Development Environments, Java Programming, Java, Object Oriented Programming (OOP), Development Environment, Programming Principles, Computer Programming Tools, Software Development Tools, Software Installation, Debugging, Computer Programming, Computing Platforms
★ 4.5 (14) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Data Presentation, Probability Distribution, Statistical Hypothesis Testing, Data Visualization Software, Dashboard Creation, Dashboard, Data Analysis, Data Science, Probability & Statistics, Statistical Methods, Statistical Analysis, Jupyter, Matplotlib, Data Preprocessing, Data Cleansing, Pandas (Python Package), Statistical Inference, Python Programming, Machine Learning
★ 4.3 (128) · Advanced · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization, Interactive Data Visualization, Storyboarding, Storytelling, Data Ethics, Data Literacy, Visual Storytelling, Graphic and Visual Design, Data Quality, Data Analysis, Drive Engagement, Ethical Standards And Conduct
★ 4.5 (184) · Beginner · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Strategic Thinking, Game Theory, Experimentation, Behavioral Economics, Negotiation, Strategic Decision-Making, Research Design, Economics, Science and Research, Scientific Methods, Decision Making, Social Sciences, Analysis
★ 4.8 (81) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Microarchitecture, Computer Architecture, Embedded Software, Embedded Systems, Hardware Architecture, System Requirements, Product Support
★ 4.7 (147) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative AI Agents, LangChain, LLM Application, AI Orchestration, Agentic systems, Agentic Workflows, Development Environment, Generative AI, Model Evaluation, Artificial Intelligence, AI literacy, Scalability, Performance Tuning, Model Optimization, Design
★ 4.6 (159) · Intermediate · Course · 1 - 4 Weeks