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: Process Mapping, Process Analysis, Web Analytics, Dashboard, Process Design, Customer experience improvement, Driving engagement, Process Improvement and Optimization, User Feedback, Marketing Analytics, Customer Insights, Customer Analysis, Key Performance Indicators (KPIs), Analysis, Business Metrics, Data-Driven Decision-Making
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Design, Graphic and Visual Design, Photography, Photo Editing, Photo/Video Production and Technology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SolidWorks (CAD), Assembly Drawing, 3D Modeling, Computer-Aided Design, Drafting and Engineering Design, Mechanical Design, Design Specifications, Functional Design, Simulation and Simulation Software, Visualization (Computer Graphics), Equipment Design, Geometric Dimensioning And Tolerancing, Functional Requirement
Intermediate · Course · 1 - 3 Months

Skills you'll gain: User Story, User Interface (UI), User Interface and User Experience (UI/UX) Design, Design Thinking, Mockups, Usability Testing, Wireframing, User Experience, Product Design, User Centered Design, User Feedback, Prototyping, Figma (Design Software)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SolidWorks (CAD), 3D Modeling, Assembly Drawing, Engineering Design Process, Mechanical Design, Computer-Aided Design, Mechanical Engineering, Engineering Drawings, Torque (Physics), Functional Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Star Schema, Microsoft SQL Servers, Database Design, Relational Databases, SQL, Data Warehousing, Query Languages, Database Architecture and Administration, Data Integrity, Power BI, Business Intelligence, Performance Tuning, Generative AI
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Newsletters, Email Marketing, Project Design, Content Creation, Scheduling, Test Tools, User Accounts, Marketing, Communication
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Packaging and Labeling, Sustainable Design, Sustainable Business, Waste Minimization, Sustainable Engineering, Environmental Regulations, Corporate Sustainability, Logistics, Consumer Behaviour, Innovation, Manufacturing Processes, Materials science
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Web Content Accessibility Guidelines, Video Production, Instructional Design, Disabilities, Web Content, Learning Strategies, User Centered Design, Technical Documentation, Microsoft Office, Law, Regulation, and Compliance
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Tool Calling
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Event-Driven Programming, Application Development, Application Design, Debugging, Application Deployment, Computer Graphics, C++ (Programming Language), User Interface (UI), Software Development Life Cycle, Microsoft Windows, Software Architecture
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Logo Design, Style Guides, Visual Design, Graphic and Visual Design, Image Quality, Design Elements And Principles
Beginner · Course · 1 - 4 Weeks