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.

Arizona State University
Skills you'll gain: Rapport Building, Growth Mindedness, Recognizing Others, Empathy, Relationship Building, Constructive Feedback, Interpersonal Communications, Social Skills, Leadership, Compassion, Collaboration, Mentorship, Teamwork, Empowerment, Decision Making, Active Listening, Independent Thinking, Open Mindset, Conflict Management, Accountability
Beginner · Specialization · 3 - 6 Months

The University of Sydney
Skills you'll gain: Blockchain, Distributed Computing, Security Engineering, Network Security, Scalability, Cryptography, Data Integrity, Transaction Processing, Algorithms
Beginner · Course · 1 - 3 Months

Skills you'll gain: Software Design Patterns, Object Oriented Programming (OOP), Javascript, Maintainability, Application Design, Scripting Languages, Event-Driven Programming, Prototyping, Context Management
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Spring Boot, Database Design, Object-Relational Mapping, Database Application, Data Modeling, Application Development, Database Architecture and Administration, Requirements Analysis, Data Persistence
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Systems Thinking, Cross-Functional Collaboration, Project Planning, Business Systems Analysis, Strategic Leadership, Team Leadership, Business Leadership, Community Development, Stakeholder Analysis, Cultural Responsiveness, Project Management, Organizational Strategy, Relationship Building, Root Cause Analysis, Communication Strategies
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Web Design and Development, Front-End Web Development, Web Design, Computer Programming
Intermediate · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: User Story, Javascript, Model View Controller, Debugging, HTML and CSS, Prototyping, jQuery, Web Applications, Hypertext Markup Language (HTML), User Interface (UI), Interactive Design, Web Design and Development, Web Development Tools, Web Design, Application Programming Interface (API), Application Development, Cascading Style Sheets (CSS), Software Development, User Experience, User Accounts
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Computer Vision, Dashboard, IBM Cloud, Responsible AI, Artificial Intelligence, Data Ethics, Image Analysis, ChatGPT, Cloud Computing, Pandas (Python Package), Business Workflow Analysis, Data Manipulation, No-Code Development, Context Management, Artificial Neural Networks, Cloud Applications, AI Workflows, Cloud Deployment, Application Programming Interface (API), WordPress
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Agentic Workflows, Prompt Engineering, Anthropic Claude, AI Orchestration, Application Programming Interface (API), Prompt Patterns, Restful API, Prompt Engineering Tools, LLM Application, JSON, Generative AI Agents, Tool Calling, Generative AI, Artificial Intelligence, Agentic systems, Automation, Scalability, Servers
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Canva (Software), Product Promotion, Marketing Materials, Promotional Strategies, Product Knowledge, Design, Presentations, Dashboard, Graphic and Visual Design, Commercialization, Creative Design, Graphic Design, Sales
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Apple iOS, Unit Testing, Responsive Web Design, Swift Programming, Apple Xcode, Mobile Development, UI Components, User Interface (UI), Storyboarding
Intermediate · Course · 1 - 3 Months

University of London
Skills you'll gain: jQuery, HTML and CSS, Responsive Web Design, Bootstrap (Front-End Framework), Web Design, Javascript and jQuery, Web Development, Web Applications, Javascript
Mixed · Course · 1 - 3 Months