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: Amazon Elastic Compute Cloud, Amazon Web Services, Cloud Hosting, Front-End Web Development, React.js, Cloud Deployment, Javascript, Full-Stack Web Development, Web Applications, Cloud Security, Hypertext Markup Language (HTML), Remote Access Systems
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: React Native, User Interface (UI), User Interface and User Experience (UI/UX) Design, UI Components, Mobile Development, User Interface (UI) Design, UI/UX Strategy, Secure Coding, Development Testing, Unit Testing, Software Testing, Authentications, Data Security, Test Engineering, Debugging, iOS Development, Android (Operating System), Mobile Security, Interaction Design, Cross Platform Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), HTML and CSS, User Experience Design, Web Design and Development, User Interface (UI) Design, Development Environment, Web Development Tools, Front-End Web Development, Web Design, Javascript, Web Development, Web Applications, Responsive Web Design, Microsoft Visual Studio
Beginner · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Experimentation, Research Design, A/B Testing, Business Analysis, Needs Assessment, Statistical Methods, Research Methodologies, Business Analytics, Complex Problem Solving, Project Design, Statistical Inference, Ideation, Data Ethics, AI Personalization, Prioritization
Beginner · Course · 1 - 3 Months

Skills you'll gain: Growth Mindedness, Communication Strategies, Peer Review, Personal Development, Self-Awareness
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Model Context Protocol, Gemini, Node.JS, Google Gemini, AI Workflows, Generative AI Agents, OpenAI API, Prompt Engineering, Agentic Workflows, Retrieval-Augmented Generation, Embeddings, OpenAI, TypeScript, Back-End Web Development, Server Side, Web Applications, API Design, Web Development, Javascript, Data Management
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, UI Components, Hypertext Markup Language (HTML), Typography, Web Design, Maintainability, Debugging, Web Design and Development, Interactive Design, Semantic Web, Color Theory
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Python Programming, Data Structures, Scripting, Web Development, Data Persistence, Full-Stack Web Development, Automation, Programming Principles, Program Development, Code Reusability, File Systems, Data Manipulation, Computational Logic, File Management, Debugging, Application Deployment, Development Environment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Amazon Web Services, Amazon S3, Network Architecture, Cloud Security, Cloud Storage, Cloud Infrastructure, Virtual Networking, Network Planning And Design, Data Storage, Network Infrastructure, Cloud Computing, Network Administration, Network Security, Computer Networking, Data Storage Technologies, Security Controls, Security Management, File Systems, Data Management, Application Lifecycle Management
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Apache Kafka, Prometheus (Software), Data Governance, Distributed Computing, Data Processing, Data Store, Event Monitoring, Network Monitoring, Systems Architecture, Performance Metric, Network Troubleshooting, Network Architecture
Intermediate · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Search Engine Optimization, Web Analytics and SEO, Blogs, Digital Marketing Tools, Competitive Analysis, Quality Assessment, Content Creation
Mixed · Course · 1 - 3 Months

Skills you'll gain: Test Automation, Test Script Development, Mobile Development Tools, Jenkins, Test Execution Engine, Application Frameworks, Continuous Integration, Debugging, Scalability, CI/CD, Test Engineering, Maintainability, Automation, Continuous Deployment, Cross Platform Development, Code Reusability, Containerization
Advanced · Course · 1 - 4 Weeks