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.

University of Colorado System
Skills you'll gain: Public Key Infrastructure, Cybersecurity, Information Systems Security, Data Security, Cyber Attacks, Information Assurance, Network Security, Risk Management Framework, Security Controls, Cryptography, Cryptographic Protocols, Key Management, Security Engineering, Threat Modeling, Security Management, Authorization (Computing), Encryption, Email Security, Data Integrity, Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design, User Interface (UI), User Interface (UI) Design, UI Components, Web Design and Development, User Interface and User Experience (UI/UX) Design, Usability, Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Animations, Web Development
Intermediate · Course · 1 - 4 Weeks

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
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Design Elements And Principles, Design Strategies, English Language, Language Learning
Mixed · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Construction Inspection, Structural Analysis, Structural Engineering, Building Design, Construction, Engineering Plans And Specifications, Building Codes, Building Services Engineering, Construction Engineering, Civil and Architectural Engineering, Engineering Drawings, Architecture and Construction, Civil Engineering, Computer-Aided Design, Industrial Engineering, Failure Analysis, Technical Drawing, Engineering Analysis, Engineering Calculations, 3D Modeling
Advanced · Specialization · 3 - 6 Months

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

Board Infinity
Skills you'll gain: Test Case, Test Script Development, Test Planning, Test Automation, Test Engineering, Continuous Integration, Test Tools, CI/CD, Software Quality Assurance, Continuous Delivery, Quality Assurance, Software Quality (SQA/SQC), Software Engineering Tools
Beginner · 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

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
University of Michigan
Skills you'll gain: Database Design, SQL, Relational Databases, PostgreSQL, Database Development, Database Theory, Database Management, Data Modeling, Databases, Query Languages, Data Integrity
Intermediate · 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, Data Visualization Software, Snowflake Schema, Data Presentation, Data Visualization, Business Reporting, SAS (Software), Data Modeling, Interactive Data Visualization, SQL
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Instagram, Design Elements And Principles, Graphic and Visual Design, Photography, Photo Editing, Driving engagement, Photo/Video Production and Technology, Social Media Content, Branding, Brand Marketing, Image Quality
Beginner · Course · 1 - 4 Weeks