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.

Skills you'll gain: Computational Thinking, Algorithms, Graph Theory, Data Structures, Computer Programming, C++ (Programming Language), Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Meta
Skills you'll gain: React Native, Mobile Development, GitHub, User Interface and User Experience (UI/UX) Design, Version Control, User Experience Design, User Interface (UI) Design, Wireframing, User Flows, Data Store, JSON, Development Environment, SQL
Intermediate · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Image Analysis, Computer Vision, Computer Graphics, Algorithms, Linear Algebra, Mathematical Modeling, Machine Learning Algorithms, Machine Learning
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Javascript, JavaScript Frameworks, Web Development, Application Development, Web Applications, JSON, Event-Driven Programming, Object Oriented Programming (OOP), Programming Principles, Computer Programming, Software Engineering, Functional Design, Computer Science
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Health Informatics, Clinical Informatics, Decision Support Systems, Solution Design, Health Technology, Health Care, Usability Testing, Interactive Data Visualization, Requirements Elicitation, Electronic Medical Record, Data Capture, User Centered Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unified Modeling Language, Data Modeling, Data Structures, Scripting, Object Oriented Programming (OOP), Python Programming, Software Design, Computer Programming, Software Engineering
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Excel Macros, Microsoft Excel, Data Analysis Expressions (DAX), Excel Formulas, Visual Basic (Programming Language), Productivity Software, Data Transformation, Debugging, Spreadsheet Software, Data Cleansing, Automation, Strategic Decision-Making, Programming Principles
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Control Systems, Process Control, Mathematical Modeling, Engineering Analysis, Differential Equations, Systems Analysis, Electrical Systems, Mechanics, Systems Thinking, Applied Mathematics, Performance Testing, Basic Electrical Systems
Build toward a degree
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Logo Design, Canva (Software), Marketing Design, Design Elements And Principles, Marketing Materials, Color Theory, Graphic Design, Branding, Marketing, Advertising, Business
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Simulation and Simulation Software, Simulations, Engineering Design Process, Finite Element Methods, Engineering Analysis, Hydraulics, Cloud-Based Integration, Verification And Validation, Mathematical Modeling
Beginner · Guided Project · Less Than 2 Hours

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

Unilever
Skills you'll gain: Data Storytelling, Marketing Automation, Web Analytics, Marketing Effectiveness, Marketing Analytics, Customer Insights, Digital Marketing, Market Analysis, Google Analytics, Digital Advertising, Social Media Marketing, Customer Analysis, Search Engine Marketing, Advertising Campaigns, Marketing Strategies, Social Media Strategy, Customer experience strategy (CX), Marketing, Online Advertising, Predictive Analytics
Beginner · Professional Certificate · 3 - 6 Months