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.

Skills you'll gain: Restful API, Web Applications, Cascading Style Sheets (CSS), Application Programming Interface (API), Web Services, HTML and CSS, Back-End Web Development, JSON, Frontend Integration, Javascript, Software Development
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Canva (Software), Workflow Management, Brochures, Marketing Design, Marketing Materials, Design, Digital Design, Graphic Design, Layout Design, File Management
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Mining, Innovation, Image Analysis, Big Data, Medical Imaging, Unstructured Data, Health Informatics, Analytics, Medical Records, Text Mining, Natural Language Processing, Health Care, Health Information Management, Classification Algorithms
Beginner · Course · 1 - 3 Months

Skills you'll gain: Spring Framework, JUnit, Restful API, Spring Boot, Unit Testing, Java, Hibernate (Java), Web Services, Apache Maven, Databases, Web Applications, Gradle, Object Oriented Programming (OOP), Eclipse (Software), Software Design Patterns, Dependency Analysis
Beginner · Course · 3 - 6 Months

Skills you'll gain: Google Analytics, Data Storytelling, Content Performance Analysis, Web Analytics and SEO, Data Validation, Stakeholder Engagement, Statistical Modeling, Search Engine Optimization, Marketing Analytics, Web Analytics, Marketing Automation, Data Visualization, Customer Insights, Data-Driven Decision-Making, Campaign Management, Key Performance Indicators (KPIs), Predictive Analytics, Performance Measurement, Return On Investment, Artificial Intelligence
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Presentations, Canva (Software), Sales Presentation, Data Visualization, Graphic Design, Content Creation
Intermediate · Guided Project · Less Than 2 Hours

EDUCBA
Skills you'll gain: Ajax, Web Design, Java Platform Enterprise Edition (J2EE), Cascading Style Sheets (CSS), Web Applications, Scripting, Web Development, Javascript and jQuery, Java, Hypertext Markup Language (HTML), Middleware, Model View Controller, Hibernate (Java), Service Oriented Architecture
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Android Development, Unity Engine, User Interface (UI), Video Game Development, Animation and Game Design, User Interface (UI) Design, Mobile Development, 3D Assets, Graphics Software, Application Deployment, C# (Programming Language)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Electronics Engineering, Electronics, Electronic Systems, Semiconductors, Hardware Design, Electrical Engineering, Electronic Components, Computer-Aided Design, Sustainable Design, Automation, Design Software, Environmental Issue, Engineering, Emerging Technologies, AI Enablement, Design, Artificial Intelligence
Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Deployment, Anomaly Detection, Image Analysis, Computer Vision, Matlab, Deep Learning, Applied Machine Learning, PyTorch (Machine Learning Library), Transfer Learning, Data Synthesis
Beginner · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: Product Management, New Product Development, Agile Product Development, Stakeholder Engagement, Product Development, Product Improvement, Innovation, Product Roadmaps, Design Thinking, Analysis, Customer Insights, Growth Strategies, Product Testing, Communication, Business Modeling, Leadership and Management, Data-Driven Decision-Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Electric Power Systems, Energy and Utilities, Electrical Systems, Control Systems, Thermal Management, Sustainable Technologies, Power Electronics, Technology Solutions, Mechanical Design
Beginner · Course · 1 - 4 Weeks