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.

Johns Hopkins University
Skills you'll gain: Usability, User Experience Design, User Centered Design, Usability Testing, Technical Documentation, Bioinformatics, End User Training and Support, Clinical Informatics, Technical Writing, Product Development, Writing
Intermediate · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Capacity Management, Capacity Planning, Construction Engineering, Civil and Architectural Engineering, Facility Management, Civil Engineering, Engineering Plans And Specifications, Traffic Flow Optimization, Transportation Operations, Infrastructure Architecture, Building Codes, Environmental Engineering, Safety Standards, Forecasting
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Curiosity, Design Thinking, Innovation, Customer Analysis, Creative Thinking, Target Audience, Customer Insights, Market Research, Entrepreneurship, Problem Solving, Communication
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: API Gateway, Cloud API, Application Programming Interface (API), Restful API, Google Cloud Platform, API Design, Cloud Deployment, Scalability, Service Oriented Architecture, Back-End Web Development, Server Side, Data Management, Network Analysis
Beginner · Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Building Services Engineering, Architectural Engineering, HVAC, Building Design, Energy and Utilities, Engineering, Thermal Management, Sustainable Engineering, Engineering Calculations, Engineering Analysis, Climate Change Mitigation
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Web Design and Development, Browser Compatibility, Web Development, Cascading Style Sheets (CSS), Web Content, Microsoft Visual Studio, Integrated Development Environments
Beginner · Guided Project · Less Than 2 Hours

Simplilearn
Skills you'll gain: Search Engine Optimization, E-Commerce, Logistics Management, Product Marketing, Product Demonstration, Product Knowledge, Customer Service, Customer Relationship Management, Online Advertising, Price Negotiation, Web Analytics and SEO, Social Media Marketing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Analytics, Data Storytelling, Content Performance Analysis, Web Analytics and SEO, Data Validation, Stakeholder Engagement, Statistical Modeling, Search Engine Optimization, Marketing Analytics, Web Analytics, Marketing Automation, Data Visualization, Customer Insights, Data-Driven Decision-Making, Campaign Management, Key Performance Indicators (KPIs), Predictive Analytics, Performance Measurement, Return On Investment, Artificial Intelligence
Intermediate · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: LLM Application, Tool Calling, Retrieval-Augmented Generation, Large Language Modeling, Generative AI Agents, AI Workflows, Context Management, Prompt Engineering, Agentic systems, Data Persistence, System Design and Implementation
Intermediate · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Keyword Research, Generative AI, Search Engine Optimization, Web Analytics and SEO, Search Engine Marketing, Prompt Engineering, Competitive Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Adobe Firefly, Adobe Photoshop, Generative AI, Graphic and Visual Design, Prompt Engineering, Photo Editing, Artificial Intelligence, Ideation, Image Quality
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Sales Presentation, Influencing, Persuasive Communication, Intercultural Competence, Virtual Teams, Storytelling, Behavioral Economics, Business Research, Value Propositions, Active Listening, Market Research, Empathy & Emotional Intelligence, Sales Pipelines, Marketing Psychology, Digital Communications, Collaboration, Customer Relationship Management (CRM) Software, Stakeholder Management, Strategic Communication, Cross-Functional Collaboration
Intermediate · Specialization · 1 - 3 Months