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 Glasgow
Skills you'll gain: Wireless Networks, Emerging Technologies, Communication Systems, Digital Communications, Internet Of Things, Telecommunications, electromagnetics, Network Architecture, Software-Defined Networking, Zero Trust Network Access, Digital Transformation, Interoperability, Electronics Engineering, Distributed Computing, Development Testing, Electrical Engineering, Artificial Intelligence and Machine Learning (AI/ML), Information Technology, Machine Learning, Trustworthiness
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Development, Application Design, Debugging
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Development, Sustainable Business, Corporate Sustainability, Sustainable Design, Systems Thinking, Professional Development, Leadership, Strategic Leadership, Change Management, Professional Networking, Self-Awareness
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Business Transformation, Responsible AI, Business Intelligence, Data Quality, Machine Learning, Natural Language Processing, Model Deployment, Applied Machine Learning, Cloud API, Data Analysis, Image Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Business Modeling, Value Propositions, Business Planning, Customer Analysis, User Research, Target Audience, Business Marketing, Financial Management, Marketing Strategies, Entrepreneurship, Customer Acquisition Management, Market Opportunities, Email Marketing, Business Development, Social Media Marketing, Interviewing Skills, Product Development, Search Engine Optimization
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: React Native, Mobile Development, Responsive Web Design, Cross Platform Development, iOS Development, User Interface (UI) Design, Android Development, Application Development, JavaScript Frameworks, Data Storage Technologies, Development Environment, Javascript, Data Management
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: White-Box Testing, Software Testing, Risk Analysis, Code Coverage, Test Case, Unit Testing, Test Engineering, Test Planning, Integration Testing
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Computing Architecture, Cloud Security, Cloud Deployment, Cloud Computing, Incident Response, Cloud Infrastructure, Capacity Management, Application Security, Security Controls, Network Security, Hardening, Scalability, Emerging Technologies, Identity and Access Management, Role-Based Access Control (RBAC), Encryption
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Firewall, Terraform, Virtual Networking, Virtual Machines, Infrastructure as Code (IaC), Network Infrastructure, Google Cloud Platform, IT Automation, Network Security, Verification And Validation, Cloud Deployment, Network Model
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: User Experience Design, Usability, User Experience, User Interface and User Experience (UI/UX) Design, Threat Modeling, UI/UX Strategy, Interaction Design, Application Security, Authentications, Human Centered Design, Security Strategy, Usability Testing, Authorization (Computing), Security Controls, Multi-Factor Authentication, Security Awareness, Computer Security Awareness Training, Cybersecurity, Safety Standards, Information Privacy
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Agentic systems, Human Computer Interaction, Interaction Design, User Experience Design, User Experience, Responsible AI, AI Product Strategy, Design Strategies, Human Centered Design, Data Ethics, Artificial Intelligence, Automation, Machine Learning, Technology Strategies, Emerging Technologies
Intermediate · Course · 3 - 6 Months

LearnKartS
Skills you'll gain: Web Analytics and SEO, Content Management Systems, Web Design, Web Analytics, Supplier Management, Web Design and Development, E-Commerce, WordPress, Search Engine Optimization, No-Code Development, Blogs, Retail Management, Order Management, Web Development, Marketing Strategies, Shipping and Receiving, Information Architecture, Customer Relationship Management (CRM) Software, Web Frameworks, Web Development Tools
Beginner · Specialization · 3 - 6 Months