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: Social Media Management, Social Media, Social Media Content, Social Media Marketing, Graphic and Visual Design, Graphic Design, Brand Awareness, Content Creation, Content Marketing, Customer Engagement, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Logical Operations
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), HTML and CSS, Web Development Tools, Web Development, Javascript, JavaScript Frameworks, Web Content, Web Servers, Browser Compatibility, Web Design and Development, Web Analytics and SEO, Web Design, Front-End Web Development, Web Applications, Apache, Development Environment, Semantic Web, Software Development
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Application Lifecycle Management, Microsoft Power Platform, Integration Testing, Application Development, Power Apps Component Framework, DevOps, Application Deployment, Database Design, Usability Testing, Development Testing, Scenario Testing, Solution Architecture, Simulations, User Interface (UI) Design
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Convolutional Neural Networks, Image Analysis, Computer Vision, Deep Learning, Artificial Neural Networks, Model Evaluation, Data Preprocessing, Python Programming
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: AI Workflows, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems, System Design and Implementation, Unified Modeling Language, Performance Metric, Performance Measurement, Requirements Analysis, Performance Analysis, Model Evaluation, Prototyping, Stakeholder Communications, Simulation and Simulation Software, Benchmarking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud-Based Integration, Cloud Applications, Middleware, Integration Testing, Application Design, Data Integration, Cloud Computing
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Selenium (Software), Git (Version Control System), GitHub, Jenkins, Test Automation, CI/CD, Test Data, Test Script Development, Test Tools, Software Testing, IntelliJ IDEA, Test Case, Development Environment, Application Frameworks, Apache Maven, Maintainability, Debugging
Advanced · Course · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Creativity, Creative Thinking, Teamwork, Presentations, Team Building, Innovation, Collaboration, Professional Development, Public Speaking, Communication, Influencing, Decision Making
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Prompt Engineering, Google Gemini, Generative AI Agents, Retrieval-Augmented Generation, Responsible AI, Generative AI, Google Cloud Platform, Google Workspace, Gemini, AI Enablement, AI Product Strategy, AI Security, Large Language Modeling, AI Workflows, Cloud Infrastructure, Artificial Intelligence, LLM Application, Data Quality, Cloud Computing, Collaboration
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: User Interface (UI), Web Content Accessibility Guidelines, Development Environment, Web Analytics and SEO
Beginner · Course · 3 - 6 Months

Packt
Skills you'll gain: Node.JS, File I/O, Javascript, Event-Driven Programming, Web Applications, Web Servers, Software Installation, Server Side, Application Development, JSON, Real Time Data, Command-Line Interface, TCP/IP, OS Process Management
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Infographics, Content Creation, Graphic and Visual Design Software, Social Media, Graphic Design, Graphical Tools, Data Sharing, Content Marketing, User Accounts, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours