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: Hardware Troubleshooting, Computer Networking, Network Protocols, Web Applications, Computer Security Awareness Training, Network Routers, Wireless Networks, Technical Support and Services, Encryption, Security Awareness, Computer Literacy, System Configuration, Microsoft Office, Authentications, Microsoft Windows, Peripheral Devices, Patch Management, Technical Support, Mac OS, Database Management
Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Web Content Accessibility Guidelines, User Interface (UI), Usability, Web Design, Hypertext Markup Language (HTML), Front-End Web Development, UI Components, Semantic Web, Cascading Style Sheets (CSS), Javascript
Intermediate · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Python Programming, Simulations, Debugging, Pandas (Python Package), Program Development, Unit Testing, Test Case, Data Science, Software Design, Computational Thinking, Integration Testing, Computer Programming, Object Oriented Programming (OOP), Data Manipulation, Software Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Graphic Design, Design, Marketing Design, Creative Design, Typography, Design Elements And Principles, Marketing Materials
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: PyTorch (Machine Learning Library), Convolutional Neural Networks, Heat Maps, Model Evaluation, Image Analysis, Deep Learning, Computer Vision
Intermediate · Guided Project · Less Than 2 Hours
University of Toronto
Skills you'll gain: Scientific Visualization, Data Visualization Software, Statistical Visualization, Interactive Data Visualization, Bioinformatics, Ggplot2, Visualization (Computer Graphics), R (Software), Dimensionality Reduction, Scatter Plots, R Programming, Network Analysis, Exploratory Data Analysis, Heat Maps, Molecular Biology, Design Thinking
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Restful API, Spring Boot, Full-Stack Web Development, React.js, IntelliJ IDEA, Application Programming Interface (API), Object-Relational Mapping, JavaScript Frameworks, Integrated Development Environments, Front-End Web Development, YAML, Web Applications, Web Development Tools, Back-End Web Development, Data Access, User Interface (UI), MongoDB, UI Components, Application Frameworks, Databases
Intermediate · Specialization · 1 - 4 Weeks

MathWorks
Skills you'll gain: Plot (Graphics), Scripting, Matlab, User Interface and User Experience (UI/UX) Design, Data Manipulation, Data Visualization Software, Generative AI, Interactive Data Visualization, Mathematical Modeling, Data Visualization, LLM Application, Data Sharing, Scientific Visualization, Data Storytelling, Data Analysis, Code Review, Descriptive Statistics, User Interface (UI) Design, Engineering Calculations, Programming Principles
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Cloud Development, Microsoft Azure, Software Development, Cloud Deployment, Cloud Applications, Application Deployment, Design Strategies, Data Storage
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Content Creation, Social Media, Facebook, Social Media Marketing, Pay Per Click Advertising, Social Media Content, Online Advertising, Campaign Management, Performance marketing, Social Media Campaigns, Advertising, Pinterest, Advertising Campaigns, Social Media Strategy, Instagram, Branding, Digital Content, Social Media Management, Lead Generation, Digital Advertising
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Blockchain, Secure Coding, Penetration Testing, Front-End Web Development, Application Development, Application Design, Security Testing, Application Security, Development Environment, Web Development, Software Development Tools, Cyber Security Assessment, Payment Systems, Continuous Monitoring, Authorization (Computing), User Interface (UI), Incident Response, Role-Based Access Control (RBAC), Application Deployment, Transaction Processing
Beginner · Specialization · 3 - 6 Months

Northeastern University
Skills you'll gain: Responsible AI, Human Centered Design, Human Computer Interaction, Generative AI, Interaction Design, User Interface (UI), Data Ethics, Artificial Intelligence, Conceptual Design, Machine Learning, Deep Learning
Mixed · Course · 1 - 4 Weeks