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: Adobe Illustrator, Document Management, File Management, Adobe Creative Cloud, Graphical Tools, Graphic and Visual Design, Graphic Design, Graphics Software, Graphic and Visual Design Software, Visual Design, Creative Design, Cloud Storage, Workflow Management, Computer Graphic Techniques, Design Strategies, Creative Thinking, Creative Problem-Solving, Scalability
★ 4.3 (6) · Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Extract, Transform, Load, Data Warehousing, Data Mining, Business Intelligence, Star Schema, Snowflake Schema, Data Modeling, Data Architecture, Unsupervised Learning, Business Analytics, Data-Driven Decision-Making, Machine Learning Methods, Databases, Predictive Modeling, Cloud Computing, Supervised Learning, Classification Algorithms
★ 4.6 (131) · Beginner · Course · 1 - 4 Weeks

Airbus Beyond
Skills you'll gain: Corporate Sustainability, Sustainability Reporting, Sustainable Systems, Sustainability Standards, Environmental Management Systems, Environmental Social And Corporate Governance (ESG), Environmental Resource Management, Supply Chain, Environmental Regulations, Environmental Issue, Environment and Resource Management, Environmental Laws, Logistics Management, Environmental Monitoring, Logistics, Environmental Policy, Governance, Mitigation
★ 4.5 (10) · Beginner · Course · 1 - 3 Months

Exploratorium
Skills you'll gain: Developing Training Materials, Course Development, Creativity, Design Strategies, Basic Electrical Systems, Experimentation, Design, Computational Thinking, Aesthetics
★ 4.7 (48) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Office, Communication, Business Communication, Graphic Design
★ 4.5 (42) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Spring Boot, React.js, Spring Framework, Object-Relational Mapping, Frontend Integration, Restful API, YAML, Data Access, Database Application, Data Persistence, Web Applications, JavaScript Frameworks, Databases, Application Performance Management, Development Environment, Configuration Management, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Experience Design, Editing, Content Creation, Writing, Writing and Editing
★ 3.9 (18) · Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Apache Maven, Spring Framework, Microservices, Java Platform Enterprise Edition (J2EE), Spring Boot, Java, Java Programming, Build Tools, Back-End Web Development, Software Architecture, Server Side, Load Balancing, Cloud Development, Web Services, Restful API, Systems Architecture, Web Applications
★ 4.5 (52) · Advanced · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Musical Composition, Music, Algorithms, Digital Signal Processing, Programming Principles, Other Programming Languages, Development Environment, Object Oriented Programming (OOP), Data Mapping
★ 4.6 (23) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: JSON, Restful API, API Design, Web Applications, Application Programming Interface (API), Responsive Web Design, Cascading Style Sheets (CSS), Dashboard Creation, Event-Driven Programming, HTML and CSS, Javascript, Wireframing, Web Servers, Web Development, Real Time Data, Game Design, Hypertext Markup Language (HTML), Servers, Software Development
★ 4.9 (21) · Intermediate · Specialization · 1 - 4 Weeks

Coursera
Skills you'll gain: Web Presence, Content Management Systems, Web Design, Web Design and Development, No-Code Development, Web Development, User Accounts, Graphic Design
★ 4.7 (12) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: AI Security, Threat Modeling, Open Web Application Security Project (OWASP), Security Testing, Retrieval-Augmented Generation, Software Architecture, API Design, Test Automation, Vulnerability Management, Agentic systems, Systems Design, Model Evaluation, Test Driven Development (TDD), CI/CD, Python Programming, Continuous Deployment, Dependency Analysis, Large Language Modeling, Machine Learning, Performance Analysis
Intermediate · Specialization · 3 - 6 Months