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.

Microsoft
Skills you'll gain: Back-End Web Development, Program Development, Algorithms, Integrated Development Environments, Programming Principles, Pseudocode, Debugging, Computational Thinking, Engineering Software, Diagram Design, C# (Programming Language), Version Control, Data Flow Diagrams (DFDs), Software Engineering, GitHub, Git (Version Control System), Data Structures, Microsoft Copilot
Beginner · Course · 1 - 3 Months

ESADE Business and Law School
Skills you'll gain: Succession Planning, Business Modeling, Governance, Business Management, Systems Thinking, Organizational Development, Business Risk Management, Leadership, Business Systems, Relationship Management, Technology Strategies, Organizational Structure, Conflict Management, Business, Family Support, Business Valuation, Communication, Business Leadership, Innovation, Business Transformation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Routing Protocols, TCP/IP, Network Troubleshooting, OSI Models, Network Switches, Data Centers, Virtual Local Area Network (VLAN), Network Protocols, Network Security, Network Routing, Computer Networking, Virtual Machines, Network Monitoring, Wide Area Networks, Virtualization, Wireless Networks, Firewall, Open Shortest Path First (OSPF), Network Model, Networking Hardware
Intermediate · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Typography, Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, UI Components, Web Design, Front-End Web Development, Animations, Mockups, User Interface (UI), Web Development, Debugging
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Canva (Software), Digital pedagogy, Teaching, Developing Training Materials, Design, Graphic Design, Content Creation, Creativity
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Visual Basic (Programming Language), Database Management, System Software, Databases, Relational Databases, Algorithms, Computer Architecture, Network Security, Computer Hardware, SQL, Computer Science, Computer Networking, Computer Programming, Network Protocols, Programming Principles, Software Development, Automation, Analysis, Cloud Computing, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Relational Databases, Data Visualization, Data Modeling, Cloud Security, Databases, Database Management, Data Analysis Expressions (DAX), Advanced Analytics, Data Management, Data Governance, Data Preprocessing, Microsoft Excel, Amazon Web Services, Data Integration, Data Security, Cost Control, Cloud Computing, Spreadsheet Software, Excel Formulas, Predictive Modeling
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Network Architecture, Network Protocols, Wireless Networks, Network Performance Management, Network Planning And Design, Network Infrastructure, Communication Systems, Telecommunications, Emerging Technologies
Intermediate · Course · 1 - 4 Weeks

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

Advancing Women in Tech
Skills you'll gain: Software Architecture, Systems Design, Technical Management, API Design, Technical Product Management, Engineering Management, Program Management, Microservices, Cross-Functional Collaboration, Team Performance Management, Leadership and Management, Service Oriented Architecture, Amazon Web Services
Mixed · Course · 1 - 4 Weeks

Michigan State University
Skills you'll gain: Value Propositions, Business Planning, Business Modeling, Entrepreneurship, Verification And Validation, Business Development, Business Strategy, Product Development, Financial Forecasting, New Business Development, Financial Analysis, Customer Analysis, Innovation
Mixed · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Generative Adversarial Networks (GANs), Artificial Intelligence and Machine Learning (AI/ML), Responsible AI, Applied Machine Learning, Data Ethics, Transfer Learning, Federated Learning, Scalability, Machine Learning, Distributed Computing, Model Evaluation, MLOps (Machine Learning Operations), Microsoft Azure, Information Privacy
Intermediate · Course · 1 - 4 Weeks