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: Maintainability, Code Reusability, Software Architecture, Software Design, Object Oriented Design, Programming Principles, Object Oriented Programming (OOP), Scalability
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Selenium (Software), Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Eclipse (Software), File I/O, Test Tools, File Management, Cascading Style Sheets (CSS), Extensible Markup Language (XML), Test Automation, Extensible Languages and XML, Computer Programming, Development Environment, Integrated Development Environments, Software Testing, Test Script Development, Test Case, Data Structures
★ 4.6 (7) · Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Web Design, Web Design and Development, Javascript
★ 4.4 (110) · Mixed · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: jQuery, Javascript and jQuery, Javascript, Data Manipulation, HTML and CSS, Data Validation, UI Components, Scripting, Event-Driven Programming, Computational Thinking, JavaScript Frameworks, Web Design and Development, Web Applications, Programming Principles, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Program Development, Game Design, Frontend Performance, Event Monitoring
★ 4.7 (1.1K) · Beginner · Specialization · 3 - 6 Months

University of London
Skills you'll gain: Virtual Reality, Video Game Development, Augmented and Virtual Reality (AR/VR), Game Design, Prototyping, Virtual Environment, Storyboarding, Usability Testing, Conceptual Design, Interaction Design, Computer Graphic Techniques, Data Ethics, Development Testing
★ 4.5 (91) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Spring Framework, JUnit, Application Frameworks, Unit Testing, Java Programming, Enterprise Application Management, Integration Testing, Configuration Management, Development Environment, Extensible Markup Language (XML), Context Management
★ 3.8 (456) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Sustainability Reporting, Sustainable Business, Corporate Sustainability, Organizational Change, Sustainable Development, Business Reporting, Supply Chain, Sustainable Design, Proposal Development, Stakeholder Analysis, Environmental Social And Corporate Governance (ESG), Sustainable Systems, Supply Chain Management, Sustainability Standards, Annual Reports, Performance Reporting, Leadership and Management, Performance Improvement, Stakeholder Engagement, Sales Presentations
★ 4.7 (373) · Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Semiconductors, Electrical Engineering, Electronics, Electronics Engineering, Electrical and Computer Engineering, Hardware Design, Materials science, Engineering Analysis, Engineering Calculations, Mathematical Modeling, Physics
★ 3.7 (52) · Advanced · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: OSI Models, Network Security, Cloud Services, TCP/IP, Cloud Computing, Cloud Infrastructure, Software-Defined Networking, Network Architecture, Virtual Networking, Wide Area Networks, Cloud Engineering, Network Protocols, Cloud Computing Architecture, Cloud Platforms, Linux Administration, Network Troubleshooting, Linux, Kubernetes, Network Switches, Terraform
★ 4.6 (140) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Unity Engine, UI Components, Scripting, User Interface (UI), Torque (Physics), Responsive Web Design, User Interface (UI) Design, Object Oriented Programming (OOP), Game Design, C# (Programming Language), Animation and Game Design, Object Oriented Design, Animations, Interactive Design, Event-Driven Programming, Video Game Development, User Interface and User Experience (UI/UX) Design, Mechanics, User Experience, Simulation and Simulation Software
★ 5 (12) · Beginner · Specialization · 1 - 3 Months

University of Pittsburgh
Skills you'll gain: Educational Materials, Web Content Accessibility Guidelines, Disabilities, Education and Training, Adaptive Equipment, Instructional Design, Education Software and Technology, Case Studies, Diversity Training, Student Support and Services, Student Services, Diversity Awareness, Higher Education, Diversity Equity and Inclusion Initiatives
★ 4.6 (333) · Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Dashboard Creation, Dashboard, Pivot Tables And Charts, Microsoft Excel, Data Transformation, Excel Formulas, Data Management, Data Analysis, Data Validation, Reconciliation, Problem Solving
★ 4.7 (576) · Intermediate · Course · 1 - 3 Months