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: Network Architecture, Internet Of Things, Emerging Technologies, Network Security, Network Protocols, Wireless Networks, Network Performance Management, Network Planning And Design, Network Infrastructure, Communication Systems, Mobile Security, Cybersecurity, Cloud Engineering, Telecommunications, General Networking, Technology Roadmaps, Artificial Intelligence and Machine Learning (AI/ML), Automation, Technology Strategies, Cloud Computing
Intermediate · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: TypeScript, Event-Driven Programming, Javascript, Pseudocode, Computational Thinking, JSON, Web Development, Angular, Web Applications, Vue.JS, Data Import/Export, Application Development, Mobile Development, Debugging, Algorithms, Data Structures, Node.JS, Unit Testing, Web Development Tools, JavaScript Frameworks
Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Web Development, Flask (Web Framework), Restful API, Cloud Deployment, Selenium (Software), Front-End Web Development, Web Applications, Full-Stack Web Development, Object-Relational Mapping, JavaScript Frameworks, Application Security, HTML and CSS, Back-End Web Development, Databases, Application Programming Interface (API), Python Programming, Vue.JS, Relational Databases, SQL, Collaboration
Beginner · Course · 1 - 3 Months

Skills you'll gain: Hospitality Services, Hospitality, Hospitality Management, Customer experience improvement, Guest Relations, Innovation, Service Management, Hotel Operations, Customer Service, Restaurant Operation, Food and Beverage, Cultural Sensitivity, Digital Transformation, Corporate Sustainability, Sustainable Business, Diversity and Inclusion
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Interactive Data Visualization, Data Presentation, Infographics, Data Visualization Software, Data Storytelling, Plotly, Matplotlib, Journalism, Graphing, Data Literacy, Color Theory, Data Manipulation, Design Elements And Principles, Data Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Automation, Object Oriented Programming (OOP), Test Script Development, Test Tools, Software Testing, Programming Principles, Software Installation, Scripting, Python Programming, Development Environment, Integrated Development Environments, Debugging
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Influencing, Leadership, Persuasive Communication, Initiative and Leadership, Relationship Building, Rapport Building, Trustworthiness, Decision Making, Negotiation, Non-Verbal Communication, Professional Networking, Organizational Structure
Mixed · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Google Ads, Online Advertising, Digital Advertising, Contextual Advertising, Paid media, Advertising, Advertising Campaigns, Media Planning, Target Audience, Social Media Campaigns, Content Strategy, Business Ethics
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Patient Safety, Patient-centered Care, Accident Prevention, Collaboration, Safety Standards, Teamwork, Patient Advocacy, Stress First Aid, Healthcare Ethics, Accountability, Risk Management, Leadership, Communication
Mixed · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Competitive Analysis, Value Propositions, Target Market, Product Improvement, Product Management, User Experience, Product Development, Product Design, Product Strategy, New Product Development, Customer Analysis, Market Analysis, Product Requirements, User Feedback, Product Testing, Needs Assessment, Ideation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Access, Relational Databases, Object Oriented Programming (OOP), JUnit, Data Integrity, SQL, Java, Java Programming, Databases
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Visualization Software, Interactive Data Visualization, Visualization (Computer Graphics), User Centered Design, User Experience Design, Data Presentation, Usability, Human Centered Design, User Research, Usability Testing, Quantitative Research, Design Elements And Principles
Build toward a degree
Intermediate · Course · 1 - 4 Weeks