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.

Universiteit Leiden
Skills you'll gain: Health Disparities, Health Systems, Health Promotion, Value-Based Care, Public Health, Care Management, Health Care, Health Policy, Social Determinants Of Health, Community Health, Epidemiology, Risk Analysis
Mixed · Course · 1 - 3 Months

Packt
Skills you'll gain: Constructive Feedback, Communication, Interpersonal Communications, Emotional Intelligence, Performance Review, Relationship Management, Collaboration, Personal Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Electronics Engineering, Electronic Hardware, Electronics, Electronic Systems, Semiconductors, Hardware Design, Electrical Engineering, Electronic Components, Computer-Aided Design, Sustainable Design, Engineering Design Process, Automation, Design Software, Environmental Issue, Engineering, Emerging Technologies, AI Enablement, Design, Quantum computing, Artificial Intelligence
Beginner · Course · 1 - 3 Months

Skills you'll gain: Programming Principles, Code Reusability, Computer Programming
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Data Modeling, Oracle SQL Developer, Relational Databases, Database Design, Databases, SQL, Oracle Databases, Query Languages, Software Installation
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React Redux, React.js, Cascading Style Sheets (CSS), UI Components, JavaScript Frameworks, Front-End Web Development, User Interface (UI), Web Frameworks, Maintainability, Authentications, Web Development Tools, Application Frameworks, Javascript, Application Programming Interface (API), Web Design, Frontend Performance, Authorization (Computing), Web Development, Web Applications, Middleware
Intermediate · Specialization · 1 - 3 Months

Edureka
Skills you'll gain: Model Context Protocol, Claude Code, Vibe coding, Generative AI Agents, Anthropic Claude, LLM Application, AI Workflows, AI Orchestration, Agentic Workflows, AI Enablement, AI Security, Prompt Engineering, Code Review, Prompt Patterns, Software Development, Web Applications, Software Testing, Security Testing, Software Engineering, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Interface and User Experience (UI/UX) Design, Hypertext Markup Language (HTML), User Experience Design, User Interface (UI), Cascading Style Sheets (CSS), HTML and CSS, GitHub, Microsoft Visual Studio, Application Deployment, Web Design and Development, Microsoft Development Tools, Web Development
Intermediate · Guided Project · Less Than 2 Hours

Google DeepMind
Skills you'll gain: Google Gemini, Gemini, Cloud API, Application Programming Interface (API), Real Time Data, Prompt Engineering, Large Language Modeling, Token Optimization, Tool Calling, LLM Application, AI Workflows, JSON, Generative AI, Data Integration, Development Environment, Python Programming, Key Management, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Pinterest, Canva (Software), Visual Storytelling, Content Creation, Social Media Content, Storytelling, Graphic Design, Digital Publishing, Driving engagement, Marketing
Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Data Lakes, Data Migration, Apache Hive, Data Infrastructure, Data Import/Export, Data Architecture, Apache Spark, Data Maintenance, Database Design, Data Store, Data Modeling, Performance Tuning, Data Management, Metadata Management, Data Validation, File Management
Intermediate · Course · 1 - 4 Weeks
STARWEAVER
Skills you'll gain: Responsible AI, Sustainable Development, Social Impact, Data Ethics, Sustainable Business, Generative AI, Sustainable Systems, Corporate Sustainability, AI literacy, Diversity Equity and Inclusion Initiatives, Sustainability Reporting, Diversity and Inclusion, Artificial Intelligence, Environmental Social And Corporate Governance (ESG), Business Ethics, Climate Change Mitigation, Environmental Issue, Problem Solving, Content Strategy
Intermediate · Course · 1 - 4 Weeks