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.

Peking University
Skills you'll gain: Java Programming, Java, Maintainability, UI Components, Object Oriented Programming (OOP), Software Design Patterns, C and C++, Application Programming Interface (API), JUnit, Network Model, Database Application, Data Structures, Debugging, Algorithms, Application Development, Software Development Tools, File I/O
Intermediate · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Anomaly Detection, Production Process, Manufacturing Processes, Data Collection, Data Storage, Manufacturing Operations, Systems Engineering, Digital Transformation, Data Preprocessing, Big Data, Computing Platforms
Beginner · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Climate Change Adaptation, Sustainable Development, Sustainable Design, Governance, Water Sustainability, Sustainable Technologies, Environment, Systems Thinking, Environmental Science, Climate Change Mitigation, Case Studies, Water Resources, Business Modeling, Stakeholder Engagement
Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Education Software and Technology, Education and Training, Child Development, School Psychology, Pedagogy, Human Development, Higher Education, Learning Theory, Psychology, Social Sciences
Beginner · Course · 1 - 4 Weeks

UNSW Sydney (The University of New South Wales)
Skills you'll gain: Requirements Analysis, Requirements Management, Technical Writing, Business Requirements, Functional Specification, Engineering Documentation, Product Requirements, Business Writing, System Requirements, Project Documentation, Verification And Validation, Systems Engineering, Editing
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Embedded Software, Electronic Systems, Service Level, Debugging, Algorithms
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Copilot, Programming Principles, Full-Stack Web Development, GitHub, Version Control, Program Development, Debugging, Computational Thinking, Git (Version Control System), Computer Programming, Algorithms, Web Development, C# (Programming Language), Back-End Web Development
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Stored Procedure, SQL, Data Presentation, Query Languages, Relational Databases, Database Development, Database Administration, Data Science
Advanced · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Regression Analysis, Microsoft Excel, Statistical Modeling, Excel Formulas, Financial Analysis, Predictive Modeling, Data Management, Financial Modeling, Data Analysis Expressions (DAX), Financial Forecasting, Process Optimization, Problem Solving
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Penetration Testing, Application Security, Secure Coding, Exploitation techniques, Software Design Patterns, Vulnerability Assessments, Amazon Web Services, SQL, Operating Systems, C (Programming Language)
Intermediate · Course · 1 - 4 Weeks

Technical University of Denmark (DTU)
Skills you'll gain: Power Electronics, Electrical Power, Plant Operations and Management, Electric Power Systems, Sustainable Technologies, Energy and Utilities, Semiconductors, Electronics, Electronics Engineering, Environmental Engineering, Electrical Engineering, Materials science, Physics, Engineering Calculations, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: JSON, Restful API, HTML and CSS, Web Design, Cloud API, Hypertext Markup Language (HTML), Web Development, Cascading Style Sheets (CSS), Web Applications, Responsive Web Design, Real Time Data, Javascript
Intermediate · Guided Project · Less Than 2 Hours