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 London
Skills you'll gain: Virtual Reality, Augmented and Virtual Reality (AR/VR), Unity Engine, Video Game Development, 3D Assets, Visualization (Computer Graphics), Computer Graphics, Game Design, Prototyping, Interaction Design, Virtual Environment, Storyboarding, User Interface (UI), Human Computer Interaction, 3D Modeling, Animations, Application Design, Display Devices, Ideation, Usability Testing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Stored Procedure, Microsoft SQL Servers, Database Design, Transaction Processing, SQL, Databases, Relational Databases, Database Development, Database Application, User Interface (UI), System Configuration, UI Components, System Implementation
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: CI/CD, C# (Programming Language), Azure DevOps, Load Balancing, Continuous Integration, Role-Based Access Control (RBAC), Scalability, Object Oriented Programming (OOP), Authentications, ASP.NET, Debugging, SQL, Microsoft Copilot, .NET Framework, Relational Databases, Database Management, Graph Theory, Back-End Web Development, Program Development, Data Structures
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Algorithms, Systems Analysis, Resource Utilization, Scalability
Intermediate · Course · 1 - 4 Weeks

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, System Testing, Test Case, Software Development Tools, Testability, White-Box Testing, Behavior-Driven Development, Code Coverage, Performance Testing, Development Testing
Intermediate · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Convolutional Neural Networks, Transfer Learning, Model Evaluation, Tensorflow, Keras (Neural Network Library), Computer Vision, Classification Algorithms, Image Analysis, Applied Machine Learning, Deep Learning, Machine Learning, Data Preprocessing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Scripting, Web Development, Information Architecture, Visual Basic (Programming Language), Back-End Web Development, User Interface (UI), Usability, Content Management, Databases
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Application Deployment, Apache Tomcat, Apache, Web Design, Front-End Web Development, PHP (Scripting Language), Application Servers, User Interface and User Experience (UI/UX) Design, Full-Stack Web Development, HTML and CSS, Web Development, UI Components, Web Servers, Email Automation, Usability, Development Testing, Interactive Design, Java Platform Enterprise Edition (J2EE), Web Analytics and SEO
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Sprint Retrospectives, Jira (Software), Accountability, Agile Methodology, Issue Tracking, User Feedback, Continuous Improvement Process, Constructive Feedback, Action Oriented, Project Documentation, Taking Meeting Minutes, Prioritization, Record Keeping
Beginner · Course · 1 - 4 Weeks
The Hong Kong University of Science and Technology
Skills you'll gain: Prompt Engineering, Vibe coding, HTML and CSS, Generative AI, Web Development, Python Programming, Data Analysis, Artificial Intelligence, Data Science, Program Development, Simulations, Debugging
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Building Services Engineering, Architectural Engineering, HVAC, Building Design, Energy and Utilities, Engineering, Thermal Management, Sustainable Engineering, Engineering Calculations, Engineering Analysis, Climate Change Mitigation
Advanced · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Unit Testing, Data Structures, Java, JUnit, Performance Tuning, Debugging, Algorithms, Object Oriented Programming (OOP), Theoretical Computer Science, Unstructured Data
Intermediate · Course · 1 - 3 Months