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 Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cucumber (Software), Software Testing, Selenium (Software), Gherkin (Scripting Language), JUnit, Verification And Validation, Test Automation, Unit Testing, Security Testing, Regression Testing, Test Case, Software Development Tools, Testability, White-Box Testing, Behavior-Driven Development, Code Coverage, Performance Testing, Development Testing, Test Engineering
★ 4.2 (1K) · Intermediate · Specialization · 3 - 6 Months

The University of Chicago
Skills you'll gain: Software-Defined Networking, Virtual Networking, Software-Defined Data Center (SDDC), Computer Networking, Virtualization, Network Architecture, Network Administration, Network Switches, Network Routing, Network Security, Network Protocols, Hardware Architecture, Application Programming Interface (API), Verification And Validation
★ 4.5 (293) · Mixed · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Educational Materials, Instructional Design, Education and Training, Digital pedagogy, Student Engagement, Cinematography, Storytelling, Visual Storytelling, Analytical Skills
★ 4.7 (497) · Intermediate · Course · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Python Programming, Computer Programming, Scripting Languages, Scripting, Programming Principles, Data Manipulation, Data Management, Functional Design, Database Management, File Management, File I/O, Databases
★ 4.1 (42) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Front-End Web Development, Git (Version Control System), Web Content Accessibility Guidelines, User Interface and User Experience (UI/UX) Design, HTML and CSS, UI/UX Strategy, Cascading Style Sheets (CSS), React.js, Code Review, Version Control, Usability, User Interface (UI), Usability Testing, User Interface (UI) Design, Software Technical Review, Web Applications, Hypertext Markup Language (HTML), Semantic Web, Javascript
★ 4.6 (467) · Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, LangChain, Prompt Patterns, Make.com, AI Orchestration, LLM Application, System Design and Implementation, AI Workflows, Retrieval-Augmented Generation, LangGraph, Responsible AI, Context Management, Systems Development, No-Code Development, Large Language Modeling, Token Optimization, Agentic Workflows, Generative AI, Natural Language Processing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard Creation, Business Intelligence Software, Dashboard, Data Warehousing, Performance Tuning, Business Logic, Database Development, Business Reporting, Data Modeling, Interactive Data Visualization, Performance Analysis, Performance Improvement, Report Writing, Content Performance Analysis, Data Presentation, Metadata Management, Data Validation, Database Administration, Analysis, Data Management
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: 3D Modeling, 3D Assets, Design Elements And Principles, Computer Graphics, Visualization (Computer Graphics), Design Software, Computer-Aided Design, Design, User Interface (UI)
★ 4.3 (56) · Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Plan Execution, Growth Strategies, Business Planning, Culture Transformation, Portfolio Management, Organizational Strategy, Business Leadership, Organizational Effectiveness, Organizational Leadership, Leadership Studies, Business Development, Product Lifecycle Management, Strategic Leadership, Organizational Structure, Product Management, Business Strategy, Business Transformation, Leadership Development, Strategic Planning, Decision Making
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Management, Infrastructure as Code (IaC), Azure Active Directory, Microsoft Azure, Identity and Access Management, Role-Based Access Control (RBAC), Active Directory, Enterprise Architecture, User Provisioning, IT Management, User Accounts, Authorization (Computing), Cloud Deployment, Authentications, Self Service Technologies
Intermediate · Course · 1 - 4 Weeks

Michigan State University
Skills you'll gain: Entrepreneurship, Self-Starter, Market Opportunities, Lean Methodologies, Open Mindset, Growth Mindedness, New Business Development, Business Development, Personal Attributes, Personal Development, Decision Making, Action Oriented, Overcoming Obstacles, Business
★ 4.5 (974) · Mixed · Course · 1 - 3 Months
Skills you'll gain: Unified Modeling Language, File I/O, System Programming, Visual Basic (Programming Language), Database Management, System Software, Hardware Architecture, Databases, Relational Databases, Algorithms, Computer Architecture, Network Security, Computer Hardware, Development Environment, Data Structures, Object Oriented Programming (OOP), Object Oriented Design, Program Development, Computer Programming, Microsoft Development Tools
★ 4.6 (175) · Beginner · Specialization · 3 - 6 Months