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: Responsible AI, AI Security, Generative AI, Data Ethics, Threat Modeling, General Data Protection Regulation (GDPR), Security Testing, Model Evaluation, Open Source Technology, Metadata Management, Security Controls, Data Integrity, Data Validation
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Apple iOS, iOS Development, Swift Programming, Mobile Development, Apple software proficiency, User Interface (UI), UI Components, Application Development, User Interface (UI) Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: SketchUp (3D Modeling Software), Animations, AutoCAD, Visualization (Computer Graphics), 3D Modeling, Software Visualization, 3D Assets, Design Software, Color Matching, Data Import/Export, Digital Design, Design, Editing, Package and Software Management, Software Installation
Advanced · Course · 1 - 3 Months

Skills you'll gain: Business Process Automation, Robotic Process Automation, Agentic systems, Process Analysis, Business Process Modeling, Business Process, Agentic Workflows, Workflow Management, Business Process Management, Process Modeling, Business Analysis, Automation, Solution Design, Generative AI Agents, User Acceptance Testing (UAT), IT Automation, Solution Delivery
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Web Development Tools, Development Environment, FinTech, Software Development Tools, Transaction Processing, Web Development, Programming Principles, Program Development, Web Applications, Node.JS, Emerging Technologies, Scalability, Other Programming Languages, Javascript, Application Deployment, Computer Programming, Market Dynamics, Verification And Validation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Full-Stack Web Development, Server Side, Restful API, Angular, Middleware, Application Deployment, Authentications, Javascript, Web Applications, API Design, MongoDB, Application Programming Interface (API), Back-End Web Development, Front-End Web Development, Development Environment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Plot (Graphics), File I/O, Scripting
Intermediate · Course · 3 - 6 Months

Skills you'll gain: User Interface (UI), Android (Operating System), UI Components, Interactive Design, Mobile Development Tools
Intermediate · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Overcoming Objections, Consultative Selling, Closing (Sales), Selling Techniques, Active Listening, Sales, General Sales Practices, Sales Process, Cultural Responsiveness, Consultative Approaches, Rapport Building, Intercultural Competence, Prospecting and Qualification, Cultural Sensitivity, Decision Making
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Jest (JavaScript Testing Framework), Test Driven Development (TDD), Test Script Development, Test Case, Web Development Tools, Development Testing, Unit Testing, Software Testing, Browser Compatibility, Testability, Test Tools, JavaScript Frameworks, Javascript, Mockups, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MLOps (Machine Learning Operations), Applied Machine Learning, API Design, CI/CD, Software Quality Assurance, Code Review, Maintainability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Animations, Graphic and Visual Design, Graphic Design, Graphic and Visual Design Software, Collaborative Software, Social Media Content, Motion Graphics, Social Media, Social Media Marketing, Content Creation, Social Media Strategy, Multimedia, Shared Media, Photo/Video Production and Technology, User Accounts
Intermediate · Guided Project · Less Than 2 Hours