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 Illinois Urbana-Champaign
Skills you'll gain: Differentiated Instruction, Teaching, Instructional Strategies, Digital pedagogy, Literacy, Oral Expression, digital literacy, Learning Styles, Media and Communications, Multimedia, Higher Education, Cultural Diversity, Writing, Non-Verbal Communication
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Database Management, Databases, Relational Databases, Database Architecture and Administration, Data Security, User Accounts, Secure Coding, SQL, Application Security, Vulnerability Scanning, NoSQL, Role-Based Access Control (RBAC), Encryption, Data Manipulation
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Grant Writing, Grant Applications, Proposal Writing, Clinical Research Ethics, Healthcare Ethics, Medical Science and Research, Planning, Research Design, Growth Mindedness, Science and Research, Budgeting, Resilience, Constructive Feedback, Mentorship, Goal Setting, Collaboration
Intermediate · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Computational Logic, Combinatorics, Logical Reasoning, Mathematical Modeling, Theoretical Computer Science, Applied Mathematics, Algorithms, Linear Algebra, Verification And Validation, Arithmetic
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Java, Java Programming, Dependency Analysis, Docker (Software), JSON, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

The University of Sydney
Skills you'll gain: Creative Thinking, Creativity, Creative Problem-Solving, Innovation, Ideation, Brainstorming, Cognitive flexibility, Design Thinking, Open Mindset, Curiosity, Resourcefulness, Strategic Thinking
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Strategic Decision-Making, Dealing With Ambiguity, Performance Analysis, Customer Analysis, Performance Measurement, Adaptability, Decision Making, Strategic Prioritization, Dashboard, Strategic Thinking, Data-Driven Decision-Making, Market Opportunities, Business Metrics, Business Analytics, Business Intelligence, Data Science, Data Analysis, Operational Efficiency, Risk Management, Change Management
Intermediate · Specialization · 1 - 4 Weeks

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

Scrimba
Skills you'll gain: HTML and CSS, Responsive Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), File Management, Web Design, Front-End Web Development, Web Development
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, Node.JS, Full-Stack Web Development, HTML and CSS, JavaScript Frameworks, User Interface (UI), Application Deployment, Application Frameworks, Back-End Web Development, Front-End Web Development, Hypertext Markup Language (HTML), MongoDB, User Interface (UI) Design, Web Design, Middleware, Bootstrap (Front-End Framework), jQuery, Javascript, Databases, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months

University of Copenhagen
Skills you'll gain: Sustainable Development, Public Health, Health Policy, Social Determinants Of Health, Community Development, Gerontology, Landscape Architecture, Climate Change Adaptation, Demography, Environmental Issue, Traffic Flow Optimization, Pollution Prevention
Mixed · Course · 1 - 3 Months

Duke University
Skills you'll gain: Debugging, Algorithms, Problem Solving, Data Processing, Python Programming, Software Development, Data Analysis
Beginner · Course · 1 - 4 Weeks