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.

Saïd Business School, University of Oxford
Skills you'll gain: FinTech, Financial Inclusion, Financial Services, Data Sharing, Financial Regulation, Financial Systems, Application Programming Interface (API), Financial Data, Banking, Financial Regulations, International Finance, Law, Regulation, and Compliance, Data Governance, Finance, Interoperability, Design Strategies, Regulatory Requirements, Strategic Thinking, Innovation, General Data Protection Regulation (GDPR)
★ 4.5 (28) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Web Services, Restful API, Apache Maven, Build Tools, Spring Boot, Spring Framework, Gradle, Simple Object Access Protocol (SOAP), Application Programming Interface (API), Java, Java Programming, API Design, Object-Relational Mapping, Data Persistence, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Adobe Firefly, AI powered creativity, Prompt Engineering, Adobe Express, Collaborative Software, Adobe Creative Cloud, Generative AI, Adobe Photoshop, Generative AI Agents, AI Personalization, AI Workflows, Content Creation, Data Import/Export, Responsible AI, Data Ethics, Creativity, Storytelling, Brand Strategy, Branding
★ 5 (11) · Beginner · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Matplotlib, Tensorflow, NumPy, Pandas (Python Package), Object Oriented Programming (OOP), Seaborn, Python Programming, Artificial Intelligence and Machine Learning (AI/ML), AI Enablement, Keras (Neural Network Library), Scikit Learn (Machine Learning Library), Data Manipulation
★ 4.6 (26) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: jQuery, Javascript, Web Applications, Hypertext Markup Language (HTML)
★ 4.3 (18) · Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Pay Per Click Advertising, Search Engine Marketing, Customer Retention, Digital Marketing, Paid media, Search Engine Optimization, Online Advertising, Keyword Research, Conversion Funnel Analysis, Digital Marketing Campaigns, Digital Advertising, Marketing Strategy and Techniques, Content Optimization, Marketing, Customer Acquisition Management, Customer Engagement, Lead Generation, Target Audience, Target Market
★ 4.7 (117) · Beginner · Course · 1 - 4 Weeks
Imperial College London
Skills you'll gain: Virtual Reality, Augmented and Virtual Reality (AR/VR), Virtual Environment, Computer Graphics, Android Development, Computer Graphic Techniques, 3D Assets, Visualization (Computer Graphics), Application Development, Animations, Mobile Development, Creative Design
★ 4.2 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Visualization (Computer Graphics), 3D Assets, Software Visualization, Design Software
★ 5 (18) · Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Empathy & Emotional Intelligence, Emotional Intelligence, Conflict Management, Team Building, Personal Attributes, Cognitive flexibility, Dealing With Ambiguity, Team Leadership, Organizational Change, Team Performance Management, Leadership and Management, Communication, Team Management, Resilience, Collaboration, Behavior Management, Business Communication, Non-Verbal Communication, Stress Management, Critical Thinking
★ 3.9 (15) · Beginner · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: LangChain, LangGraph, Model Context Protocol, AI Workflows, LLM Application, Context Engineering, AI Orchestration, Agentic Workflows, Generative AI Agents, Tool Calling, Data Processing, Data Transformation, Retrieval-Augmented Generation, Agentic systems, Generative AI, Gemini, Scalability, Artificial Intelligence, Prompt Engineering, Responsible AI
★ 4.1 (9) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Presentations, Productivity Software, Multimedia, Business Communication, Content Creation, User Accounts, Web Presence, Graphic Design, Business Development
★ 4.9 (14) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Model Context Protocol, AI Integrations, AI Security, Enterprise Architecture, Scalability, Software Architecture, Systems Architecture, Context Engineering, Context Management, Servers, Interoperability, Server Side, Authentications, System Design and Implementation, Enterprise Security, Performance Tuning, Digital Transformation
★ 2.6 (15) · Advanced · Course · 1 - 4 Weeks