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.

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Web Design and Development, Front-End Web Development, Web Design, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Employee Onboarding, Relationship Building, Planning, Team Oriented, Goal Setting, Expectation Management, Smart Goals, Professionalism, Intercultural Competence, Adaptability, Communication, Business Writing
Beginner · Guided Project · Less Than 2 Hours

École normale supérieure
Skills you'll gain: Data Visualization, Data Visualization Software, Geospatial Mapping, Graphic and Visual Design, Geographic Information Systems, Quantitative Research, Data Mapping, World History, Data Presentation, Color Theory
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Web Development, Web Design and Development, Web Development Tools, Web Design
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Exploit development, Penetration Testing, Malware Protection, Network Monitoring, Object Oriented Programming (OOP), Cyber Security Assessment, Vulnerability Scanning, Network Security, Network Protocols, Network Analysis, Scripting, Remote Access Systems, Python Programming
Advanced · Course · 1 - 3 Months

Skills you'll gain: Collaboration, Educational Materials, Instructional Design, Visualization (Computer Graphics), Laboratory Experience, Learning Strategies, Constructive Feedback, Experimentation, Physics, Scientific Methods, Investigation
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Embedded Software, Embedded Systems, Debugging, Model Based Systems Engineering, Computer Engineering, Failure Analysis, Simulation and Simulation Software, Technical Communication, Electronics Engineering, Automation Engineering
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Systems Thinking, Trustworthiness, Cross-Functional Collaboration, Project Planning, Stakeholder Analysis, Business Systems Analysis, Sustainable Development, Strategic Leadership, Social Impact, Team Leadership, Relationship Building, Business Leadership, Sustainable Business, Diversity and Inclusion, Strategic Thinking, Cultural Responsiveness, Organizational Strategy, Project Management, Communication Strategies, Ethical Standards And Conduct
Beginner · Specialization · 1 - 3 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

Skills you'll gain: Generative Adversarial Networks (GANs), PyTorch (Machine Learning Library), Deep Learning, Convolutional Neural Networks, Image Analysis, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

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

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