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.

Fractal Analytics
Skills you'll gain: Model Context Protocol, AI Security, Threat Modeling, AI Workflows, Secure Coding, LLM Application, Enterprise Architecture, Generative AI Agents, Security Controls, Interoperability, Agentic systems, Generative AI
Intermediate · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Building Design, Sustainable Technologies, Sustainable Development, Energy and Utilities, Electrical Power, Sustainable Architecture, Sustainable Engineering, Workforce Planning, Gap Analysis, Climate Change Mitigation, Training Programs, Emerging Technologies, Professional Networking, Semiconductors
Beginner · Course · 1 - 3 Months

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

Skills you'll gain: Security Requirements Analysis, Network Architecture, Network Security, Internet Of Things, Cybersecurity, Web Services, Encryption, Embedded Systems, Network Protocols, Public Key Cryptography Standards (PKCS), Simple Object Access Protocol (SOAP), TCP/IP, Restful API, Information Privacy
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Django (Web Framework), Postman API Platform, Restful API, Data Validation, Authentications, Authorization (Computing), Application Programming Interface (API), API Design, JSON, Object-Relational Mapping, Model View Controller, Python Programming
Advanced · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Systems Thinking, Epidemiology, Systems Analysis, Social Network Analysis, Simulations, Health Disparities, Network Analysis, Public Health, Policy Analysis, Social Determinants Of Health, Behavioral Health, Economics, Software Installation
Beginner · Course · 1 - 4 Weeks

Unilever
Skills you'll gain: Web Analytics, Digital Marketing, Google Analytics, Social Media Marketing, Search Engine Marketing, Social Media Strategy, Marketing Strategies, Search Engine Optimization, Keyword Research, Marketing Analytics, A/B Testing, Advertising Campaigns, Smart Goals, Performance Analysis, Key Performance Indicators (KPIs), Value Propositions
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Verification And Validation, Theoretical Computer Science, Software Systems, Communication Systems, Systems Analysis, System Design and Implementation, Embedded Systems
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: JSON, Restful API, Web Applications, Application Programming Interface (API), Responsive Web Design, Cascading Style Sheets (CSS), Event-Driven Programming, HTML and CSS, Javascript, Back-End Web Development, Frontend Integration, Web Development, Web Services, Real Time Data, Web Development Tools, Game Design, Hypertext Markup Language (HTML), Servers, Software Development
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Photo Editing, Generative AI, Adobe Photoshop, Image Quality, Data Import/Export, Adobe Creative Cloud, Prompt Engineering, Editing, File Management, Graphic Design
Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: TypeScript, Event-Driven Programming, Javascript, Pseudocode, Computational Thinking, JSON, Web Development, Angular, Web Applications, Vue.JS, Data Import/Export, Application Development, Mobile Development, Debugging, Algorithms, Data Structures, Node.JS, Unit Testing, Web Development Tools, JavaScript Frameworks
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Responsible AI, Workforce Development, Strategic Leadership, Operational Efficiency, Technology Strategies
Mixed · Course · 1 - 4 Weeks