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.

LearnQuest
Skills you'll gain: User Story, Behavior-Driven Development, DevSecOps, Agile Project Management, Test Driven Development (TDD), Backlogs, Sprint Planning, Kanban Principles, Agile Methodology, Continuous Integration, Project Risk Management, Sprint Retrospectives, Lean Methodologies, Scaled Agile Framework, DevOps, Agile Software Development, Risk Management, Scrum (Software Development), Agile Product Development, Management Reporting
★ 4.6 (3.4K) · Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Data Visualization, Excel Formulas, Plot (Graphics), Microsoft Excel, Data Management, Data Cleansing, Spreadsheet Software, Data Entry, Data Sharing, Data Import/Export, Data Validation, Microsoft Office, Data Analysis Software, Data Integrity, Problem Solving
★ 4.7 (3.7K) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Power Electronics, Control Systems, Electronic Systems, Electrical Engineering, electromagnetics, Electrical Power, Electronics Engineering, Electric Power Systems, Simulation and Simulation Software, Electronics, Engineering Analysis, Simulations, Electrical Systems, Mathematical Modeling, Hardware Design, Computer-Aided Design, Matlab, Technical Design, Engineering Design Process, Energy and Utilities
★ 4.7 (164) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: React.js, TypeScript, UI Components, Dashboard Creation, Interactive Data Visualization, JavaScript Frameworks, Application Deployment, Code Reusability, Frontend Integration, Data Persistence, User Interface (UI), Front-End Web Development, Restful API, Responsive Web Design, Application Programming Interface (API), Context Management, Javascript, JSON
Intermediate · Course · 1 - 3 Months

Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, File I/O, Computer Programming, Microsoft Visual Studio, Computer Programming Tools, Integrated Development Environments, System Programming, Programming Principles, Apple Xcode, Code Reusability, Development Environment, Algorithms, File Systems, Software Design Patterns, Data Structures, Performance Tuning, Debugging, File Management
★ 4.3 (32) · Intermediate · Specialization · 3 - 6 Months

Vanderbilt University
Skills you'll gain: Clinical Data Management, Data Capture, Electronic Data Capture (EDC), Clinical Research, Data Management, Data Collection, Data Sharing, Data Strategy, Data Quality, Data Storage, Regulatory Compliance
★ 4.7 (1.9K) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Prompt Engineering, Prompt Patterns, Prompt Engineering Tools, Claude Code, Vibe coding, Large Language Modeling, Full-Stack Web Development, Back-End Web Development, Debugging, Front-End Web Development, Application Deployment, Application Design, Server Side, AI Integrations, Web Applications, AI Personalization, Software Architecture, Business Logic, Test Driven Development (TDD), Product Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Salesforce, Salesforce Development, Dashboard, Dashboard Creation, Marketing Automation, Process Design, Application Lifecycle Management, Application Deployment, User Flows, Email Automation, Business Process Automation, Workflow Management, Business Reporting, Automation, Report Writing, Sales Process
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: PyTorch (Machine Learning Library), Logistic Regression, Machine Learning Methods, Transfer Learning, Reinforcement Learning, Convolutional Neural Networks, Deep Learning, Image Analysis, Applied Machine Learning, Model Training, Natural Language Processing, Machine Learning, Model Optimization, Artificial Neural Networks, Supervised Learning, Unsupervised Learning, Python Programming, Computer Vision, Medical Imaging
★ 4.7 (3.8K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Agile Project Management, Agile Methodology, User Story, Project Management Institute (PMI) Methodology, Agile Product Development, Performance Metric, Telecommuting, Virtual Teams, Team Oriented, Adaptability, Team Leadership, Project Management Life Cycle, Waterfall Methodology, Collaboration, Audit Planning, Teamwork
Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: AI Personalization, Machine Learning Methods, Fraud detection, Generative AI, Responsible AI, Data Ethics, Data Management, Data Strategy, People Analytics, HR Tech, Generative Model Architectures, AI Enablement, Human Resource Management, AI Product Strategy, Data Governance, Human Resources Management and Planning, Big Data, Credit Risk, Machine Learning, Analytics
★ 4.7 (1.9K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Algorithms, Graph Theory, Data Structures, Theoretical Computer Science, Computational Thinking, Mathematical Theory & Analysis, Analysis, Probability & Statistics, Probability, Design Strategies, Logical Reasoning
★ 4.8 (5.3K) · Intermediate · Course · 1 - 4 Weeks