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 California, Irvine
Skills you'll gain: Internet Of Things, Application Programming Interface (API), TCP/IP, Electronics, Embedded Systems, Network Protocols, USB, General Networking, Electronic Systems, Hardware Design, Digital Signal Processing, Computer Hardware, Python Programming, Linux, Servers
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Computational Thinking, Algorithms, Graph Theory, Data Structures, C++ (Programming Language), C and C++, Programming Principles, Computer Programming, Object Oriented Programming (OOP), Technical Design, Theoretical Computer Science
Intermediate · Specialization · 1 - 3 Months
IE Business School
Skills you'll gain: Brand Strategy, Branding, Brand Awareness, Logo Design, Brand Management, Target Audience, Target Market, Consumer Behaviour, Value Propositions, Marketing, Customer Insights, Marketing Psychology, Marketing Strategies, Advertising, Competitive Analysis, Typography, Storytelling, Color Theory
Intermediate · Course · 1 - 3 Months

Skills you'll gain: LangChain, Tool Calling, LLM Application, AI Workflows, Agentic systems, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Application Development, Software Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Computing Architecture, Network Planning And Design, Cloud Infrastructure, Cloud Solutions, Solution Architecture, Process Optimization, Google Cloud Platform, Cloud Computing, Configuration Management, Cloud Security, Cloud Deployment, Key Performance Indicators (KPIs), Cost Reduction, Business Requirements
Advanced · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Computer Programming, Object Oriented Design, Development Environment, Data Structures
Intermediate · Course · 1 - 4 Weeks
McMaster University
Skills you'll gain: Peer Review, Finance, Financial Market, Financial Analysis, Cash Flows, Financial Modeling, Capital Markets, Investments, Derivatives, Business Valuation, Financial Policy, Financial Data, Equities, Project Design, Market Dynamics, Risk Management, Business Mathematics, Market Trend, Credit Risk, Project Documentation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: OAuth, API Gateway, API Design, Restful API, Application Programming Interface (API), Cloud API, Continuous Deployment, CI/CD, Application Lifecycle Management, Secure Coding, Security Controls, Proxy Servers, Authorization (Computing), Continuous Integration, Application Security, Middleware, Software Documentation, Information Systems Security, Network Security, Data Security
Intermediate · Specialization · 3 - 6 Months

Universidad Austral
Skills you'll gain: Service Design, Customer experience improvement, User Research, Customer experience strategy (CX), Experience Design, Customer Service, Service Improvement, Design Thinking, Expectation Management, Customer Insights, Consumer Behaviour
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Windows Servers, Computer Security, Linux Administration, Contingency Planning, Disaster Recovery, Authorization (Computing), Linux, Linux Servers, Microsoft Windows, Authentications, Business Continuity Planning, Operating System Administration, OSI Models, User Accounts, Group Policy, Security Management, Ubuntu, Systems Administration, Virtualization, Cybersecurity
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Canva (Software), Social Media Content, Social Media Marketing, Social Media, Style Guides, Marketing Design, Color Theory, Graphic Design, Design Elements And Principles, Branding, Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Mainframe Computing, COBOL (Programming Language), Software Development Life Cycle, z/OS, Unit Testing, Systems Analysis, Job Control Language (JCL), IBM DB2, Systems Development, Debugging, Pseudocode, Virtualization, Agile Methodology, Software Development, Virtualization and Virtual Machines, Test Driven Development (TDD), Report Writing, Relational Databases, Software Testing, File I/O
Intermediate · Professional Certificate · 3 - 6 Months