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.

Yonsei University
Skills you'll gain: Augmented Reality, Augmented and Virtual Reality (AR/VR), Multimedia, Emerging Technologies, Market Analysis, Market Opportunities, Cloud Services, Network Protocols, Application Development, Network Infrastructure, Computer Vision, Video Production, Content Management, User Interface (UI)
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Service Level, Software Engineering, Software Architecture, Distributed Computing, Data Architecture, Microservices, Transaction Processing, Software Design, Test Driven Development (TDD), Blockchain, Big Data, Maintainability, Database Systems, Data Structures, System Monitoring, Middleware
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: AI Security, Responsible AI, Cryptography, DevSecOps, Encryption, Secure Coding, Data Security, Cybersecurity, Network Security, Public Key Infrastructure, Data Encryption Standard, Security Engineering, Software Architecture, Cyber Security Strategy, Cloud Security, CI/CD, Security Awareness, Artificial Intelligence and Machine Learning (AI/ML), Security Controls, Software Development
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Performance Tuning, Data Architecture, User Accounts, Data Warehousing, SQL, Database Management, Data Modeling, Data Transformation, Data Import/Export, Data Integration, Role-Based Access Control (RBAC), Data Governance, JSON, Data Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MongoDB, Restful API, API Design, NoSQL, Database Development, Node.JS, Database Management, Distributed Computing, Database Design, Database Architecture and Administration, Performance Tuning, Data Architecture, Scalability, Data Modeling, Data Validation
Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Digital Signal Processing, Digital Communications, Electrical and Computer Engineering, Electronic Systems, Electronics, Numerical Analysis, Telecommunications, Linear Algebra, Mathematical Modeling, Time Series Analysis and Forecasting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Databases, Project Schedules, Data Visualization, Calendar Management, Customer Relationship Management (CRM) Software, Project Management, Document Management, Content Development and Management, Process Improvement and Optimization, File Management, Collaboration, User Accounts
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Request for Proposal, Conflict Management, Presentations, Technical Communication, Storytelling, Persuasive Communication, Communication Strategies, Organizational Strategy, Non-Verbal Communication, Proposal Writing, Business Communication, Interpersonal Communications, Team Building, Intercultural Competence, Verbal Communication Skills, Target Audience, Team Management, Business Writing, Strategic Communication, Strategic Thinking
Intermediate · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, HTML and CSS, Web Design, Web Design and Development, Semantic Web, Usability, Web Applications, Programming Principles, Web Content, Verification And Validation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Marketing Design, Organizational Structure, Diagram Design, Marketing Collateral, Graphic Design, Presentations
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Supply Chain, Logistics, Supply Chain Management, Logistics Management, Supply Chain Planning, Performance Measurement, Transportation Management, Operational Efficiency, Operations Management, Business Operations, Transportation Operations, Supply Chain Systems, E-Commerce, Systems Thinking, Business Planning, Market Analysis, Process Design, Supplier Management, Business, Business Administration
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Network Architecture, Virtual Networking, Virtualization, Network Planning And Design, Software-Defined Networking, Virtual Private Networks (VPN), Network Protocols, Cloud Infrastructure, Local Area Networks, Wireless Networks, Wide Area Networks, Virtual Machines
Intermediate · Course · 1 - 4 Weeks