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.

Northeastern University
Skills you'll gain: User Experience Design, Web Design
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, GitHub, Web Design, Git (Version Control System), Browser Compatibility, Version Control, Front-End Web Development, Web Development, Cloud Hosting, Application Deployment, Hypertext Markup Language (HTML), Typography
Intermediate · Course · 1 - 3 Months

Dubai College of Tourism
Skills you'll gain: Merchandising, Restaurant Operation, Revenue Management, Food Services, Restaurant Management, Hotel And Restaurant Management, Hospitality and Food Services, Hospitality Management, Hospitality, Food and Beverage, Cost Accounting, Layout Design, Customer experience improvement, Graphic and Visual Design, Typography, Copywriting, Analysis, Color Theory
★ 5 (7) · Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: LangChain, AI Workflows, LLM Application, Generative AI, Large Language Modeling, Prompt Patterns, Hugging Face, Prompt Engineering, Embeddings, AI Security, AI Integrations, Model Deployment, Automation, Memory Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Ethics, Business Research, Surveys, Survey Creation, Qualitative Research, Data Quality, Persona Development, Sample Size Determination, Data Governance, File Management, Sampling (Statistics), Market Research, Marketing Analytics, Return On Investment, Focus Group, Quantitative Research, General Data Protection Regulation (GDPR), Key Performance Indicators (KPIs), Research Design, Research Methodologies
Beginner · Specialization · 3 - 6 Months

University of Virginia
Skills you'll gain: User Story, Persona (User Experience), Agile Product Development, Design Thinking, Agile Methodology, Product Development, User Research, Persona Development, Usability Testing, Team Building, User Centered Design, Value Propositions, Innovation
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: AI Orchestration, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Tool Calling, Software Design Patterns
★ 4.5 (46) · Beginner · Project · Less Than 2 Hours

L&T EduTech
Skills you'll gain: Energy and Utilities, Building Codes, Electric Power Systems, Process Engineering, Equipment Design, Plant Operations and Management, Electrical Systems, Environment and Resource Management, Water Quality, Engineering Design Process, Materials science
Intermediate · Course · 1 - 3 Months
Michigan State University
Skills you'll gain: Infographics, Adobe Illustrator, Graphic and Visual Design, Diagram Design, Graphic Design, Visual Design, Typography, Layout Design, Design Elements And Principles, Visual Storytelling, Graphical Tools, Storytelling, Color Theory
★ 4.6 (960) · Mixed · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Game Design, Generative AI Agents, Agentic systems, Animation and Game Design, Video Game Development, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Machine Learning Methods, Generative AI, Game Theory, Design, Design and Product
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Embedded Software, Embedded Systems, Pseudocode, Microarchitecture, Hardware Architecture, Computer Architecture, Software Systems, Software Design, System Programming, Systems Design, Software Design Patterns, Systems Integration, Programming Principles, Event-Driven Programming, System Configuration, Real Time Data, Peripheral Devices, Memory Management
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Extract, Transform, Load, Decision Support Systems, Data Warehousing, Data Mining, Database Design, Business Intelligence, Dashboard Creation, Dashboard, Star Schema, Relational Databases, Database Management, Snowflake Schema, Data Visualization Software, Data Presentation, Data Visualization, Business Reporting, SAS (Software), Data Modeling, Interactive Data Visualization, SQL
★ 4.5 (240) · Beginner · Specialization · 1 - 3 Months