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 Virginia Darden School Foundation
Skills you'll gain: Large Language Modeling, Customer Insights, Digital Advertising, Keyword Research, Search Engine Marketing, AI Personalization, Content Marketing, Marketing Strategies, Google Ads, Digital Marketing, Generative AI, Marketing Analytics, Customer experience strategy (CX), Consumer Behaviour
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Search Engine Marketing, Google Ads, Search Engine Optimization, Marketing Strategies, Web Analytics and SEO, Marketing, Email Marketing, Marketing Analytics, Digital Marketing, Performance marketing, Marketing Psychology, Customer Relationship Management, Paid media, Campaign Management, Marketing Automation, Advertising Campaigns, Google Analytics, UI/UX Strategy, Social Media Marketing, Digital Advertising
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Responsible AI, Stakeholder Engagement, AI Enablement, Stakeholder Management, Team Performance Management, Project Management, Data Ethics, Workforce Management, Risk Mitigation, Project Management Life Cycle, Agile Methodology, Risk Analysis, Artificial Intelligence, Team Management, Team Building, Scalability, Budget Management
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Model View Controller, JSON, API Design, Web Services, Middleware, Back-End Web Development, Server Side, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Adobe XD, Prototyping, User Experience Design, Usability Testing, UI/UX Research, Figma (Design Software), Presentations, Responsive Web Design, Information Architecture, User Story, Storyboarding, User Research, Design, User Interface and User Experience (UI/UX) Design, Web Design, Persona (User Experience), User Centered Design, Data Ethics, Design Reviews, Usability
Beginner · Professional Certificate · 3 - 6 Months

Amazon
Skills you'll gain: Git (Version Control System), Software Development Methodologies, Requirements Analysis, Version Control, Application Development, Software Development Life Cycle, Systems Development, Functional Requirement, Software Engineering, User Requirements Documents, Agile Software Development, Application Design, Unified Modeling Language, Software Testing, JUnit, Agile Methodology, Spring Framework, Debugging, Java, Technical Design
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: LangGraph, LangChain, AI Workflows, LLM Application, Agentic systems, Prompt Engineering, Data Persistence, Context Management, Human Centered Design
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: GitHub, Responsive Web Design, React.js, Front-End Web Development, HTML and CSS, Version Control, Web Development, Web Design and Development, Code Review, Web Analytics and SEO, Database Development, Figma (Design Software), Mockups, Software Development
Advanced · Course · 1 - 3 Months

Queen Mary University of London
Skills you'll gain: Proposal Development, Market Research, Data Collection, Research Design, Research Methodologies, Business Research, Surveys, Research, Market Analysis, Qualitative Research, Data Analysis, Business Reporting, Business Ethics
Beginner · Course · 1 - 4 Weeks

Multiple educators
Skills you'll gain: Sustainable Design, Sustainable Technologies, Packaging and Labeling, Human Centered Design, Sustainable Engineering, Sustainable Business, Environmental Regulations, Sustainability Standards, Design Thinking, Product Development, Product Design, Business Leadership, Regulatory Compliance, Waste Minimization, Corporate Sustainability, Sustainable Development, Product Lifecycle Management, Environmental Engineering, Design Strategies, Logistics
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

The State University of New York
Skills you'll gain: Job Analysis, Adaptability, Professional Development, Dealing With Ambiguity, Personal Development, Lifelong Learning, Brand Management, Smart Goals, Gap Analysis, Competitive Analysis, Self-Awareness, Dashboard, Goal Setting
Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Peer Review, Video Game Development, Contract Negotiation, Media and Communications, Branding, Organizational Structure, Organizational Strategy, Brand Management, Business Planning, Game Design, Recruitment, Fundraising, Workforce Development, Contract Management, Live Streaming, Higher Education, Content Creation, Academic Advising, Relationship Building, Market Dynamics
Beginner · Specialization · 1 - 3 Months