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: AI Security, AI Integrations, Agentic Workflows, Responsible AI, Authorization (Computing), JSON, Agentic systems, Context Management, Requirements Elicitation
★ 4.7 (30) · Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Manufacturing Processes, Augmented Reality, Materials science, Industrial Design, Industrial Engineering, Production Process, Process Analysis
★ 4.8 (21) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Sustainable Systems, Sustainable Development, Transportation Operations, Case Studies, Land Management, Land Development, Community Development, Geospatial Mapping, Geospatial Information and Technology, Community Outreach
★ 4.5 (203) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Quality Assurance, White-Box Testing, API Testing, Test Script Development, AI Security, Software Quality (SQA/SQC), Performance Stress Testing, Software Development Methodologies, Regression Testing, AI Integrations, Maintainability, Code Review, Scalability, Automation, Code Coverage, Software Technical Review, DevOps, Security Testing
★ 4.3 (32) · Beginner · Specialization · 3 - 6 Months

Tecnológico de Monterrey
Skills you'll gain: Web Analytics, Google Analytics, Social Media Analytics, Social Media, Search Engine Marketing, Social Media Management, Social Media Marketing, Conversion Funnel Analysis, Digital Analysis, Marketing Analytics, Digital Marketing Campaigns, Market Research, Data-Driven Marketing, Customer Analysis, Search Engine Optimization, Analytical Skills, Online Advertising, Social Media Strategy, Digital Marketing, Key Performance Indicators (KPIs)
★ 4.7 (291) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: SQL, Database Management, MySQL, Database Development, Database Systems, Databases, Relational Databases, Database Application, Database Design, Query Languages, Data Access, Java, Java Programming, UI Components, User Interface (UI), Transaction Processing, Software Development
★ 4.4 (37) · Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Javascript and jQuery, jQuery, Scripting, Javascript, Computational Thinking, Program Development, Game Design, Object Oriented Programming (OOP), Data Structures, Event-Driven Programming
★ 4.8 (64) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Bootstrap (Front-End Framework), Browser Compatibility, Responsive Web Design, Web Design and Development, Cascading Style Sheets (CSS), Front-End Web Development, UI Components, Frontend Integration, React.js, Application Frameworks, Software Installation
★ 4.4 (104) · Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Sustainable Architecture, Sustainable Technologies, Sustainable Business, Construction Management, Sustainable Design, Sustainability Standards, Architecture and Construction, Sustainable Development, Construction, Building Design, Environmental Issue, Project Management, Environment and Resource Management, Product Lifecycle Management
★ 4.6 (51) · Intermediate · Course · 1 - 4 Weeks

Multiple educators
Skills you'll gain: Data Storytelling, Storytelling, Conversion Funnel Analysis, Design Thinking, Solution Design, Business Strategies, Business Strategy, Business Modeling, Visual Storytelling, Marketing Communications, Data Visualization, Brand Strategy, Digital Analysis, Advertising, Business Planning, Growth Strategies, Technology Strategies, Risk Management, Portfolio Risk, Process Design
★ 4.8 (87) · Intermediate · Specialization · 3 - 6 Months

Michigan State University
Skills you'll gain: Value Propositions, Business Planning, Business Modeling, Entrepreneurship, Verification And Validation, Business Development, Business Strategy, Product Development, Financial Forecasting, New Business Development, Financial Analysis, Customer Analysis, Innovation
★ 4.5 (183) · Mixed · Course · 1 - 3 Months

Institute for the Future
Skills you'll gain: Visionary, Proactivity, Strategic Planning, Action Oriented, Planning, Community Organizing, Strategic Thinking, Optimism, Social Impact, Creative Thinking, Innovation, Culture, Persuasive Communication, Creativity, Goal Setting, Leadership, Storytelling
★ 4.8 (286) · Beginner · Course · 1 - 3 Months