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.

Coursera
Skills you'll gain: AI Security, Threat Modeling, Open Web Application Security Project (OWASP), Security Testing, Retrieval-Augmented Generation, Software Architecture, API Design, Test Automation, Vulnerability Management, Agentic systems, Systems Design, Model Evaluation, Test Driven Development (TDD), CI/CD, Python Programming, Continuous Deployment, Dependency Analysis, Large Language Modeling, Machine Learning, Performance Analysis
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: PHP (Scripting Language), Model View Controller, Restful API, Web Development, Object-Relational Mapping, Web Applications, Full-Stack Web Development, Development Environment, Software Testing, Back-End Web Development, Application Frameworks, Database Management, Application Security, Authentications, Authorization (Computing), Package and Software Management
Beginner · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Adobe Illustrator, Color Theory, Creative Design, Graphic and Visual Design, Data Import/Export, Logo Design, Graphic Design, Graphic and Visual Design Software, Scalability
Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Manufacturing Processes, Manufacturing Operations, Production Process, Manufacturing Standards, Safety Standards, Technical Standard, Materials science, Design Reviews, Failure Analysis, Thermal Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Logo Design, Graphic Design, Branding, Content Creation, Target Audience, Presentations, Customer Engagement, Social Media Content, Brand Awareness, Creativity, Social Media, Social Media Marketing
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Responsible AI, Graph Theory, Machine Learning, Applied Machine Learning, Research, Model Evaluation, Social Sciences, Statistical Analysis, Amazon Web Services, R Programming, Tensorflow, Data Ethics, Artificial Intelligence and Machine Learning (AI/ML), Research Design, Sociology, Driving engagement, Machine Learning Methods, Behavioral Economics
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Canva (Software), Advertising, Social Media Marketing, Marketing Design, Social Media Content, Facebook, Social Media, Graphic Design, Instagram, Branding, Design, Marketing
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, Agentic systems, Development Environment, Model Evaluation, OpenAI, Artificial Intelligence, Scalability, Applied Machine Learning, Performance Tuning, Design
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Autoencoders, Convolutional Neural Networks, Generative Adversarial Networks (GANs), Applied Machine Learning, Model Deployment, Unsupervised Learning, Artificial Intelligence, Classification Algorithms
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Presentations, Productivity Software, Multimedia, Business Correspondence, Data Visualization, Business Communication, Content Creation, User Accounts, Graphic Design, Business Development
Beginner · Guided Project · Less Than 2 Hours

University of London
Skills you'll gain: Linux, Linux Commands, Computer Systems, Command-Line Interface, Cybersecurity, Computer Architecture, Network Security, Vulnerability Assessments, Hardware Architecture, Application Security, Threat Detection, Authorization (Computing), Network Protocols, Virtual Private Networks (VPN), Operating Systems, Authentications, Network Monitoring, TCP/IP, Network Analysis
Beginner · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Microsoft Excel, Excel Formulas, Data Modeling, Verification And Validation, Financial Modeling, Business Modeling, Spreadsheet Software, Technical Documentation, Product Testing, Data Validation, Data Integrity, Data Management, Organizational Skills
Intermediate · Course · 1 - 4 Weeks