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: Microsoft Office, Communication, Business Communication, Graphic Design
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: User Interface and User Experience (UI/UX) Design, Cascading Style Sheets (CSS), HTML and CSS, GitHub, Microsoft Visual Studio, Application Deployment, Web Design and Development, Integrated Development Environments, Web Development Tools
Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Research, Research Design, Consumer Behaviour, Influencing, Persuasive Communication, Ethical Standards And Conduct, Marketing Psychology, Behavioral Economics, Biomedical Technology, Experimentation, Neurology, Marketing, Data Analysis, Statistical Analysis
Intermediate · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Model Based Systems Engineering, Engineering Design Process, Simulation and Simulation Software, Robotics, Mathematical Modeling, Engineering Analysis, Engineering Software, Engineering, Mechanical Engineering, Control Systems
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Docker (Software), Cloud-Native Computing, Containerization, DevOps, Microservices, Linux Administration, Software Architecture, CI/CD, Application Deployment, Virtualization
Beginner · Course · 1 - 4 Weeks

Goldman Sachs
Skills you'll gain: Market Research, New Product Development, Product Development, Entrepreneurship, Product Design, Innovation, Focus Group, Market Analysis, Business Development, Product Testing, Logistics
Mixed · Course · 1 - 4 Weeks

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

Skills you'll gain: Restful API, Application Security, Java, Model View Controller, Development Environment, Web Applications, Application Programming Interface (API), Apache Maven, Authorization (Computing), Authentications, Role-Based Access Control (RBAC)
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Computational Logic, Mathematical Modeling, System Requirements, Functional Requirement, Theoretical Computer Science, Verification And Validation, Control Systems, Network Model, Systems Analysis, Automation, Mechanical Engineering, Real-Time Operating Systems, Agentic systems, Differential Equations, Safety Assurance, Robotics, Artificial Intelligence, Linear Algebra, Algorithms, Applied Mathematics
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

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

L&T EduTech
Skills you'll gain: Safety Standards, Safety Training, Construction, Hazard Analysis, Hydraulics, Construction Engineering, Equipment Design, Facility Repair And Maintenance, General Construction and Construction Labor, Maintenance, Repair, and Facility Services, Sustainable Engineering, Grading (Landscape), Civil Engineering, Personal protective equipment, Construction Management, Structural Engineering, Plant Operations and Management, Safety Assurance, Mechanical Engineering, Facility Management and Maintenance
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Investigation, Fraud detection, Auditing, Litigation Support, Accounting, Report Writing, Due Diligence, Employee Training, Internal Controls, Risk Analysis, International Finance, Compliance Training, Analytical Skills
Mixed · Course · 1 - 4 Weeks