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: Microsoft Azure, Authorization (Computing), Azure Active Directory, Cloud Infrastructure, Authentications, Cloud Security, IT Security Architecture, Role-Based Access Control (RBAC), Infrastructure Security, Identity and Access Management, System Monitoring, Cloud Computing Architecture, Cloud Management, Active Directory, Data Governance, Enterprise Application Management, Personally Identifiable Information, Security Management, Information Management, Solution Design
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Brainstorming, Productivity, Prioritization, Creativity, Mental Concentration, Goal Setting, Organizational Skills, Overcoming Obstacles, Stress Management, Planning, Self-Discipline, Adaptability, Self-Awareness
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Newsletters, Email Marketing, Content Scheduling, Content Creation, Content Development and Management, Scheduling, Test Tools, User Accounts, Marketing, Communication
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: A/B Testing, Statistical Hypothesis Testing, Test Planning, Statistical Analysis, Financial Analysis, Financial Data, Statistical Inference, Risk Analysis, Performance Metric, Spreadsheet Software, Decision Making, Project Documentation
Mixed · 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
★ 5 (7) · Intermediate · 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

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

Skills you'll gain: Style Guides, Visual Design, Graphic and Visual Design, Graphic Design, Design Elements And Principles
Beginner · Course · 1 - 4 Weeks

Ball State University
Skills you'll gain: Cryptography, Application Security, Encryption, Authentications, Cybersecurity, Data Encryption Standard, Advanced Encryption Standard (AES), Email Security, Network Security, Information Systems Security, Key Management, Application Development, Public Key Infrastructure, Data Integrity
★ 5 (6) · Intermediate · Course · 1 - 3 Months