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.

Board Infinity
Skills you'll gain: Software Documentation, Java, API Design, Back-End Web Development, Application Programming Interface (API), Secure Coding, Databases, Data Persistence
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: API Design, Application Programming Interface (API), Postman API Platform, Restful API, API Testing, Application Deployment, CI/CD, Application Lifecycle Management, Test Automation, Software Documentation, Application Performance Management, Microservices
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Mobile Development, User Interface and User Experience (UI/UX) Design, React Native, Apple iOS, Android Development, iOS Development, Application Development, Databases, Database Management, Flutter (Software), Application Deployment, Back-End Web Development, Application Performance Management, Marketing Strategies, Google Analytics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Power Apps Component Framework, Document Management, Microsoft Power Platform, Data Entry, Excel Formulas, Microsoft 365, Application Design, Cloud Applications
Beginner · Guided Project · Less Than 2 Hours

L&T EduTech
Skills you'll gain: Electrical Substation, Electrical Systems, Electrical Wiring, Low Voltage, Electrical Equipment, Electrical Safety, Electrical Power, High Voltage, HVAC, Mechanical Design, Construction, Civil Engineering, Safety Standards, Building Design, Schematic Diagrams, Engineering Calculations, Thermal Management, Firewall
Intermediate · Course · 1 - 3 Months

Skills you'll gain: PyTorch (Machine Learning Library), Convolutional Neural Networks, Transfer Learning, Model Evaluation, Image Analysis, Computer Vision, Deep Learning, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Spring Framework, Model View Controller, Java Platform Enterprise Edition (J2EE), Software Design Patterns, Java Programming, Java, Enterprise Architecture, Secure Coding, Application Servers, Software Design, Software Architecture, Application Security, Programming Principles, Security Assertion Markup Language (SAML), Dependency Analysis, System Programming, Web Applications, OS Process Management, Maintainability, Scalability
Intermediate · Specialization · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Water Sustainability, Cross-Functional Team Leadership, Strategic Partnership, Social Impact, Sustainable Development, Communication Planning, Water Resource Management, Project Design, Social Media, Team Leadership, Initiative and Leadership, Water Resources, Project Planning, Resilience, Sustainable Systems, Strategic Leadership, Environmental Issue, Problem Solving, Innovation, Climate Change Adaptation
Beginner · Specialization · 1 - 3 Months

Illinois Tech
Skills you'll gain: Test Driven Development (TDD), Python Programming, Object Oriented Programming (OOP), Scripting Languages, Computer Programming, Unit Testing, File I/O, Web Development, Program Development, Open Source Technology, Data Processing, Database Application, Data Structures, User Interface (UI)
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Power Automate/Flow, Microsoft Power Platform, Data Analysis Expressions (DAX), Power Apps Component Framework, Power BI, Microsoft Azure, Dashboard, Workflow Management, Process Analysis, Microsoft Copilot, Process Mapping, AI Workflows, Business Process Automation, Microsoft 365, Process Optimization, Automation, Microsoft Visual Studio, Restful API, Application Lifecycle Management, JSON
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Email Automation, Lead Generation, Marketing Automation, Social Media, Social Media Marketing, Copywriting, Web Analytics, Automation
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Jenkins, Selenium (Software), GitHub, Git (Version Control System), Performance Testing, Continuous Integration, CI/CD, Apache Maven, Version Control, Test Script Development, Test Automation, Browser Compatibility, JUnit, Object Oriented Programming (OOP), Test Data, Integration Testing, Java Programming, Test Case, Test Execution Engine, Software Testing
Beginner · Specialization · 3 - 6 Months