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: Spring Framework, Java Programming, Java, File I/O, Java Platform Enterprise Edition (J2EE), Object Oriented Programming (OOP), Application Frameworks, Code Reusability, Data Structures, File Management
★ 4.7 (222) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Java Programming, Java, Software Development Tools, Application Servers, Computer Programming Tools, Web Applications, Development Environment, Java Platform Enterprise Edition (J2EE), Object Oriented Programming (OOP), Application Development, Eclipse (Software), Program Development, Computer Programming, Object Oriented Design, Mobile Development, Programming Principles, Integrated Development Environments, UI Components, Event-Driven Programming, User Interface (UI)
★ 4.4 (207) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Power Platform, Microsoft Power Automate/Flow, Power BI, Dashboard, No-Code Development, Power Platform Architecture & Technical Design, Data Visualization, Data Integration, Business Intelligence, Process Design, Business Process Automation, Productivity Software, Application Development, Performance Analysis, Application Design, Automation, Data Access, Data Security, Data Store, Generative AI Agents
★ 4.3 (289) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: User Story, Business Process Modeling, Risk Analysis, Performance Measurement, Stakeholder Management, Process Analysis, Business Analysis, Risk Management, Requirements Elicitation, Process Design, Requirements Management, Business Process, Process Mapping, Risk Management Framework, Stakeholder Engagement, Performance Metric, Process Improvement, Project Portfolio Management, Stakeholder Communications, Business Requirements
★ 4.5 (174) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: User Interface (UI) Design, Data Persistence, Data Store, Object Oriented Design, Database Application, Interactive Data Visualization, Database Management, Real Time Data, Program Development, Package and Software Management, Computer Programming, Code Reusability, Data Management, Software Installation, Data Modeling
★ 4.6 (30) · Intermediate · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Software Design, Code Reusability, Program Development, Java, Java Programming, AI Personalization, Object Oriented Programming (OOP), Data Preprocessing, Data Structures, Algorithms, File I/O, Hypertext Markup Language (HTML)
★ 4.7 (657) · Intermediate · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Construction Estimating, Cost Estimation, Punch Work, Cost Management, Construction Management, Bidding, Cost Control, Cash Flows, Project Closure, Lean Methodologies, Project Controls, Project Estimation, Cash Flow Forecasting, Earned Value Management, Procurement, Construction
★ 4.7 (2.2K) · Beginner · Course · 3 - 6 Months

University of Virginia
Skills you'll gain: Leadership Development, Professional Development, Business Ethics, Organizational Leadership, Initiative and Leadership, Personal Integrity, Employee Coaching, Overcoming Objections, Leadership, Ethical Standards And Conduct, Empowerment, Self-Awareness, Conflict Management, Personal Development, Decision Making, Oral Expression, Program Implementation, Action Oriented, Verbal Communication Skills, Plan Execution
★ 4.7 (615) · Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Javascript, Application Programming Interface (API), Code Reusability, Software Design Patterns, Data Management, Data Structures, Web Development, Computational Logic, Programming Principles, Data Import/Export, Software Development, Software Engineering, Performance Tuning
★ 4.6 (18) · Intermediate · Specialization · 1 - 3 Months

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, Electronic Systems, Electronic Components, Materials science, Image Quality, Technology Solutions, Engineering Calculations, Mathematical Modeling, Physics, Emerging Technologies
★ 3.8 (116) · Advanced · Specialization · 3 - 6 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Pedagogy, Digital pedagogy, Education Software and Technology, Teaching, Education and Training, Curriculum Development, Innovation, Collaboration, Creativity
★ 4.8 (1.3K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Design, File I/O, Integrated Development Environments, Functional Design
Beginner · Course · 3 - 6 Months