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.

LearnKartS
Skills you'll gain: Web Analytics and SEO, Content Management Systems, Web Design, Web Analytics, Supplier Management, Web Design and Development, E-Commerce, WordPress, Search Engine Optimization, No-Code Development, Blogs, Retail Management, Order Management, Web Development, Marketing Strategies, Shipping and Receiving, Information Architecture, Customer Relationship Management (CRM) Software, Web Frameworks, Web Development Tools
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Unreal Engine, Performance Tuning, Game Design, User Interface (UI), Video Game Development, 3D Assets, Virtual Environment, Virtual Reality, Animations, Simulations, Computer Graphics, Animation and Game Design, Augmented and Virtual Reality (AR/VR), Scripting, Interactive Design
Intermediate · Specialization · 3 - 6 Months

Pearson
Skills you'll gain: Cloud Security, Cloud Computing Architecture, Cloud Deployment, Cloud Management, Cloud Computing, Identity and Access Management, Cloud Infrastructure, Security Controls, CI/CD, Computer Security Incident Management, Scalability, Data Security, Network Troubleshooting, Disaster Recovery, Infrastructure as Code (IaC), Vulnerability Assessments, Key Management, Network Security, Incident Response, Solution Design
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, UI Components, Animations, Mockups, Front-End Web Development, Typography, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Gemini, Model Deployment, Generative AI, Google Gemini, Generative AI Agents, LLM Application, AI Workflows, Tool Calling, Multimodal Prompts, AI Enablement, Artificial Intelligence and Machine Learning (AI/ML), Large Language Modeling, Google Cloud Platform, Artificial Intelligence, AI Personalization, Performance Tuning, Python Programming, Software Development Tools, Cloud Platforms
Beginner · Course · 1 - 3 Months

Skills you'll gain: Full-Stack Web Development, Responsive Web Design, Email Automation, Order Management, Data Validation, User Interface (UI) Design, Search Engine Optimization, Web Applications, JavaScript Frameworks, Authentications, User Interface (UI), React.js, Payment Processing, E-Commerce, PostgreSQL, Dashboard, Database Development, Object-Relational Mapping, Product Improvement, Real Time Data
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Product Management, Cross-Functional Collaboration, Product Roadmaps, Product Strategy, Product Lifecycle Management, Product Development, Analysis, Stakeholder Management, Decision Making, Innovation, Market Analysis, Agile Methodology, Key Performance Indicators (KPIs), Prioritization
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Amazon DynamoDB, Amazon Web Services, NoSQL, Database Management, Database Design, Data Store, Development Environment, Command-Line Interface, JSON, Application Programming Interface (API), Software Development Tools, Performance Tuning, Scalability
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Video Game Development, Game Design, Debugging, Programming Principles, Animations, Scripting Languages, Event-Driven Programming
Beginner · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Computer Vision, Vision Transformer (ViT), Convolutional Neural Networks, Image Analysis, Generative AI, Deep Learning, Augmented and Virtual Reality (AR/VR), Artificial Intelligence and Machine Learning (AI/ML), Computer Graphics, Autoencoders, Unsupervised Learning, 3D Assets
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Presentations, Branding, Sales Presentation, Brand Marketing, Data Presentation, Workflow Management, Marketing Design, Brand Management, Multimedia, Data Visualization, Visual Design, Interactive Data Visualization, Graphic and Visual Design Software, Brand Awareness, Visualization (Computer Graphics), Brand Loyalty, Design Reviews, Statistical Visualization, Executive Presence, Visual Impairment Education
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Web Content, Web Design, Content Management, Web Design and Development, No-Code Development, Web Development, User Accounts, Graphic Design
Beginner · Guided Project · Less Than 2 Hours