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 California, Irvine
Skills you'll gain: Swift Programming, Objective-C (Programming Language), iOS Development, Core Data (Software), Apple iOS, Video Game Development, Game Design, User Interface (UI), Model View Controller, JSON, User Interface (UI) Design, UI Components, Mobile Development, User Interface and User Experience (UI/UX) Design, OAuth, Memory Management, Responsive Web Design, Prototyping, Animation and Game Design, Human Computer Interaction
★ 4.5 (710) · Beginner · Specialization · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Business Planning, ISO 9000 Series, Strategic Marketing, Marketing, Financial Statement Analysis, Financial Statements, Quality Management Systems, Organizational Strategy, Financial Analysis, Product Planning, Governance, Marketing Planning, Corporate Strategy, Operations Management, Organizational Structure, Working Capital, Financial Data, Business Strategies, Market Analysis, Quality Management
★ 4.7 (1.8K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Teamwork, Organizational Leadership, Team Leadership, Leadership Studies, Team Performance Management, Team Building, Team Management, Collaboration, Organizational Effectiveness, Cross-Functional Team Leadership, Negotiation, Industrial and Organizational Psychology, Interpersonal Communications, Business Communication, Conflict Management, Internal Communications, Communication, Behavior Management, Coordinating, Strategic Communication
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Semiconductors, Display Devices, Computer Displays, Systems Design, Electrical Engineering, Technical Design, Electronics, Electronics Engineering, Electrical and Computer Engineering, Engineering, Scientific, and Technical Instruments, Hardware Design, Equipment Design, Materials science, Electronic Components, Image Quality, Engineering Analysis, Engineering Calculations, Mathematical Modeling, Performance Testing, Physics
★ 3.8 (119) · Advanced · Specialization · 3 - 6 Months

Nanjing University
Skills you'll gain: Data Processing, Data Mining, Data Structures, Data Presentation, Object Oriented Programming (OOP), Web Scraping, Data Science, Data Capture, Data Analysis, Python Programming, Data Access, NumPy, Data Preprocessing, Data Visualization, Data Manipulation, UI Components, User Interface (UI) Design, Programming Principles
★ 4.1 (378) · Beginner · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Project Schedules, Production Schedule, Project Risk Management, Scheduling, Risk Management, Construction Management, Timelines, Lean Methodologies, Construction, Production Planning, Project Estimation, Diagram Design, Project Management Software, Dependency Analysis, Probability & Statistics
★ 4.8 (2.3K) · Beginner · Course · 3 - 6 Months

Google AR & VR
Skills you'll gain: Augmented Reality, Augmented and Virtual Reality (AR/VR), Virtual Reality, Application Design, Virtual Environment, 3D Assets, Unity Engine, User Experience Design, Mobile Development, User Experience, User Flows, Computer Hardware
★ 4.5 (3.9K) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: HubSpot CRM, Customer Relationship Management (CRM) Software, Data Cleansing, Customer Relationship Management, Data Quality, Data Maintenance, Customer Data Management, Data-Driven Marketing, Marketing Automation, Data Integrity, Workflow Management, Data Validation, Auditing, Records Management, Record Keeping
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Android Development, Mobile Development, Android Studio, Android (Operating System), Application Development, User Interface (UI), Application Design, UI Components, Java, Development Environment, Authorization (Computing), Application Lifecycle Management
★ 4.5 (686) · Mixed · Course · 1 - 3 Months

JetBrains
Skills you'll gain: Object Oriented Design, File I/O, Data Structures, Python Programming, Programming Principles, Code Reusability, Computer Programming, Scripting, Data Processing, Package and Software Management, Code Review, Computational Logic, NumPy, Development Environment, Integrated Development Environments, Computational Thinking, Software Installation, Numerical Analysis
★ 4.6 (12) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Workforce Planning, Human Resources Management and Planning, Workforce Development, Human Resource Strategy, Microsoft Copilot, People Analytics, Stakeholder Communications, Plan Execution, Microsoft 365, Presentations, Return On Investment, Change Management, Strategic Decision-Making, Microsoft Power Platform, Financial Analysis, Organizational Change, Microsoft Office, Leadership Development, Corporate Strategy, Business
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Science, Web Applications, Python Programming, Data Analysis, Programming Principles, Artificial Intelligence, Computer Programming, Game Design
★ 4.5 (2.2K) · Beginner · Guided Project · Less Than 2 Hours