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.

EDUCBA
Skills you'll gain: C (Programming Language), Embedded Systems, Embedded Software, Debugging, System Programming, Hardware Architecture, Microarchitecture, Computer Architecture, Data Structures, Peripheral Devices
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Image Analysis, Computer Vision, Autoencoders, Convolutional Neural Networks, Vision Transformer (ViT), Generative Adversarial Networks (GANs), Recurrent Neural Networks (RNNs), Deep Learning, Multimodal Prompts, Artificial Intelligence and Machine Learning (AI/ML), Computer Graphics, Visualization (Computer Graphics), Machine Learning Methods, Model Deployment, Embeddings, Artificial Intelligence, Data Ethics, Data Processing, Applied Machine Learning, Linear Algebra
Build toward a degree
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Software Design, Computational Logic
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Canva (Software), Infographics, Video Production, Content Creation, Design, Video Editing, Graphic Design, Graphic and Visual Design Software, Design Software
Beginner · Guided Project · Less Than 2 Hours

Microsoft
Skills you'll gain: Image Analysis, Computer Vision, Artificial Intelligence, Microsoft Azure, Data Capture, Model Deployment, Text Mining, Application Programming Interface (API), Classification Algorithms, Document Management
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Structural Engineering, Structural Analysis, Construction, Civil Engineering, Engineering Analysis, Engineering Design Process, Mechanics, Materials science
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Model View Controller, JSON, API Design, Web Services, Middleware, Back-End Web Development, Server Side, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Saïd Business School, University of Oxford
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, Agentic systems, OpenAI, ChatGPT, AI Workflows, AI Product Strategy, Large Language Modeling, Artificial Intelligence, Model Evaluation, Responsible AI, AI Security, Decision Making
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Web Scraping, Git (Version Control System), Scripting, Version Control, Email Automation, Software Testing, Cloud API, Automation, Restful API, Application Programming Interface (API), Scalability, Python Programming, Performance Tuning, Productivity, File Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Network Security, Intrusion Detection and Prevention, Computer Security Incident Management, Command-Line Interface, Cryptography, Open Web Application Security Project (OWASP), Application Security, Secure Coding, Cybersecurity, Encryption, Information Systems Security, Vulnerability Assessments, Cyber Attacks, Security Engineering, Risk Management Framework, Multi-Factor Authentication, Cloud Security, Penetration Testing, Risk Management
Intermediate · Specialization · 3 - 6 Months

Simplilearn
Skills you'll gain: Requirements Management, Project Management, Risk Management, Project Planning, Data Visualization, Agile Project Management, Microsoft Excel, Solution Design, Cost Management, Project Management Office (PMO), Business Analysis, Excel Formulas, Requirements Elicitation, Stakeholder Management, Scope Management, Pivot Tables And Charts, Dashboard, Business Analytics, Data Analysis, Data Validation
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Responsible AI, Autoencoders, Convolutional Neural Networks, Recurrent Neural Networks (RNNs), Data Ethics, Deep Learning, Artificial Neural Networks, Reinforcement Learning, Generative AI, Generative Adversarial Networks (GANs), Machine Learning Algorithms, Model Deployment, Debugging, Artificial Intelligence, Image Analysis, Unsupervised Learning, Machine Learning Methods, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Computer Vision
Intermediate · Specialization · 3 - 6 Months