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: Salesforce, Salesforce Development, Systems Integration, Customer Relationship Management, Customer Relationship Management (CRM) Software, Data Integration, Contract Management, AI Enablement, Responsible AI, Web Services, Business Reporting, Sales Operations, Integration Testing, Artificial Intelligence, Application Programming Interface (API), Software Design Patterns, Security Controls, Customer Data Management, Analytics, Data Security
Advanced · Specialization · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Debugging, Program Development, Programming Principles, Computational Thinking, Diversity Equity and Inclusion Initiatives, Digital pedagogy, Computer Programming, Computer Science
Beginner · Course · 1 - 3 Months

Skills you'll gain: Presentations, Developing Training Materials, Sales Presentation, Data Visualization, Technical Communication, Productivity Software, Project Documentation, Graphic Design, Business Communication, Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Instagram, Social Media Content, LinkedIn, Social Media, Facebook, Content Creation, Social Media Management, Social Media Marketing, User Accounts, Graphic Design, Marketing
Beginner · Guided Project · Less Than 2 Hours

SkillsBooster Academy
Skills you'll gain: AI Product Strategy, Generative AI, Brand Strategy, Content Creation, Brand Awareness, Social Media Content, Media Production, Storytelling, Marketing Communications, Business Communication, Digital Design, Creative Thinking, Influencing, Media and Communications, Business Ethics, Creative Problem-Solving, Customer Engagement, Business Transformation, Entrepreneurship, Digital Marketing
Beginner · Course · 1 - 3 Months

Skills you'll gain: SQL, Database Management, Query Languages, Data Analysis, Performance Tuning, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Development, Cloud Applications, Containerization, .NET Framework, Performance Tuning, Application Development, C# (Programming Language), Application Performance Management, Scalability, Web Applications, UI Components
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, UI Components, User Interface (UI), Responsive Web Design, User Interface (UI) Design, Object Oriented Programming (OOP), Game Design, Scripting, Video Game Development, C# (Programming Language), Animations, Interactive Design, Usability, Debugging
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Pandas (Python Package), NumPy, Data Structures, Data Import/Export, Data Manipulation, Data Cleansing, Statistical Methods, Data Analysis, Exploratory Data Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: UI Components, Web Components, Responsive Web Design, Application Deployment, Database Management, Databases, Web Design and Development, JavaScript Frameworks, Web Development Tools, Authentications, Application Development, Email Automation, Restful API, Web Design, Front-End Web Development, OpenAI API, TypeScript, Payment Systems, Cascading Style Sheets (CSS), User Interface (UI)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Prompt Engineering, LLM Application, AI Workflows, AI Orchestration, No-Code Development, OpenAI API, Tool Calling, Generative AI Agents, Vector Databases, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Health Systems, Public Health, Infectious Diseases, Nutrition and Diet, Environmental Science, Epidemiology, Food Safety and Sanitation, Environment, Sustainable Development, Biology, Research and Design, Microbiology
Beginner · Course · 1 - 4 Weeks