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.

Skills you'll gain: Responsive Web Design, Front-End Web Development, HTML and CSS, Bootstrap (Front-End Framework), Web Design, User Interface (UI), Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), User Interface and User Experience (UI/UX) Design, Event-Driven Programming, Web Applications, UI Components, Web Development, Interactive Design, User Interface (UI) Design, Javascript, jQuery, User Experience Design, Web Design and Development, Animations
Intermediate · Specialization · 3 - 6 Months

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Artificial Intelligence, Performance Analysis, Automation, Augmented and Virtual Reality (AR/VR), Technology Strategies, Personalized Service, Innovation, Internet Of Things, Machine Learning, Digital Transformation, Deep Learning, Analytical Skills, Predictive Analytics, Big Data, Health Technology, Ethical Standards And Conduct, Data Analysis, Natural Language Processing, Data Security, User Experience
Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), UI Components, Interactive Design, HTML and CSS, User Interface (UI), Interaction Design, Responsive Web Design, User Interface (UI) Design, Web Design, Web Components, Animations, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Applied Machine Learning, Case Studies, Fraud detection, Project Risk Management, Project Planning, Business Ethics, Ethical Standards And Conduct, Law, Regulation, and Compliance, Scalability, Content Strategy, Quality Assessment, Keyword Research, Search Engine Optimization, Content Creation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Local Area Network (VLAN), Open Shortest Path First (OSPF), Network Routing, Network Switches, Routing Protocols, Virtual Networking, TCP/IP, Network Architecture, Local Area Networks, Network Troubleshooting, Network Protocols, System Configuration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Engineering, Network Troubleshooting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Animations, Social Media Content, Social Media, Social Media Marketing, Graphic Design, Graphic and Visual Design, Content Creation, Multimedia, Organizational Skills, Marketing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Keyword Research, Registration, Professional Development, User Accounts, Detail Oriented, Organizational Skills, Computer Literacy
Beginner · Guided Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: DevSecOps, DevOps, User Centered Design, Usability, Systems Integration, User Experience Design, Systems Analysis, System Implementation, Human Computer Interaction, Application Security, Agile Methodology, Information Systems, Software Development, CI/CD, Secure Coding, Security Testing, User Feedback, Project Management Software, Information Technology, Database Management Systems
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apple iOS, Responsive Web Design, Swift Programming, Apple Xcode, Mobile Development, User Interface (UI) Design, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Google Gemini, Generative AI, Multimodal Prompts, Google Cloud Platform, Image Analysis, Analysis, Unstructured Data, Data Analysis
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Metasploit, Penetration Testing, Exploitation techniques, Brute-force attacks, Cyber Security Assessment, Intrusion Detection and Prevention, Network Security, Remote Access Systems, Network Protocols, Command-Line Interface, Network Analysis
Mixed · Course · 1 - 4 Weeks