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.

EDUCBA
Skills you'll gain: Ajax, Web Design and Development, Java Platform Enterprise Edition (J2EE), jQuery, Cascading Style Sheets (CSS), Web Applications, Scripting Languages, Javascript and jQuery, Web Development, Java, Hypertext Markup Language (HTML), Middleware, Model View Controller, Javascript, Front-End Web Development, Hibernate (Java), Service Oriented Architecture, Back-End Web Development
Intermediate · Course · 1 - 3 Months

Skills you'll gain: User Interface (UI), User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Web Design, Adobe XD, Usability, Wireframing, Figma (Design Software), AI powered creativity, Responsive Web Design, Usability Testing, Design, AI Workflows, Design Software, AI Integrations, Prototyping, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Content Scheduling, Social Media Management, Social Media Content, Facebook, Calendar Management, Social Media, Content Creation, Social Media Marketing, Driving engagement, Content Development and Management, Digital Publishing, Marketing, Graphic Design, Digital Marketing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Persona Development, Experience Design, User Experience, User Centered Design, User Research, Design and Product, Customer Analysis, Customer Insights, Collaborative Software, Diversity and Inclusion, Product Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Experience Design, Design Thinking, User Experience, UI/UX Research, Customer experience improvement, Business Intelligence, Journey Mapping, User Interface (UI) Design, User Research, Customer Analysis, Collaborative Software
Beginner · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: Security Management, Identity and Access Management, Application Security, Security Strategy, Secure Coding, Security Testing, Cyber Security Assessment, Security Engineering, IT Security Architecture, Security Controls, Security Architecture Review, Cybersecurity, Authentications, Software Development, Network Security, Risk Management, Data Security, Cyber Operations, Continuous Monitoring, Authorization (Computing)
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Social Media, Social Media Strategy, Social Media Marketing, Social Media Management, Social Media Campaigns, Social Media Content, Marketing Communications, Target Audience, Strategic Communication, Media Planning, Brand Marketing, Media Strategy, Communication Planning, Media and Communications, Digital Media Strategy, Brand Strategy, Brand Management, Social Media Analytics, Paid media, Content Creation
Intermediate · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: Color Theory, Typography, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, Web Design, HTML and CSS, Animations, Digital Design, Visual Design, Web Design and Development, Usability
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Mathematics Education, Education Software and Technology, Instructional Strategies, Teaching, Digital pedagogy, Curriculum Planning, Simulations, Simulation and Simulation Software, Design Strategies, Interactive Design, Display Devices
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Docker (Software), Containerization, Application Deployment, Data Persistence, Software Development, Virtualization, Application Security, Virtual Networking, Virtualization and Virtual Machines, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: WordPress, Information Architecture, Order Processing, Cloud Hosting, Frontend Performance, Web Design, Secure Coding, Performance Tuning, Amazon Web Services, Order Management, Data Management, Content Management Systems, Web Design and Development, Usability, Cloud Deployment, Performance Testing, Remote Access Systems, Payment Processing, Web Development, Web Servers
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Cascading Style Sheets (CSS), Web Design, Hypertext Markup Language (HTML), Web Development, Debugging, Web Applications, No-Code Development, Front-End Web Development, Development Environment, Web Development Tools, UI Components, Microsoft Visual Studio, Integrated Development Environments
Beginner · Course · 1 - 3 Months