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: Jenkins, Selenium (Software), GitHub, Git (Version Control System), Performance Testing, Continuous Integration, CI/CD, Apache Maven, Version Control, Test Script Development, Test Automation, Browser Compatibility, JUnit, Object Oriented Programming (OOP), Test Data, Integration Testing, Java Programming, Test Case, Test Execution Engine, Software Testing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Canva (Software), Social Media Marketing, Social Media Content, Marketing Design, Social Media, Content Creation, Style Guides, Graphic and Visual Design, Branding, Presentations, User Accounts
Beginner · Guided Project · Less Than 2 Hours

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Job Evaluation, Compensation Analysis, Compensation Strategy, Compensation Management, Job Analysis, Compensation and Benefits, Payroll, Human Resource Strategy, Performance Review, Data Visualization, Benchmarking, Data Analysis, Market Analysis, Diversity and Inclusion
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Program Management, Agile Methodology, Business Planning, Project Planning, Innovation, Diagram Design, Strategic Planning, Procurement, Process Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Back-End Web Development, Server Side, Middleware, Authentications, API Design, Application Programming Interface (API), User Accounts, Databases, JavaScript Frameworks, Scalability, GitHub, Development Environment, Data Validation
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

Skills you'll gain: Architectural Drawing, AutoCAD, Technical Drawing, Computer-Aided Design, Drafting and Engineering Design, Architectural Design, Building Design
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Construction Management, Project Risk Management, Construction Engineering, Engineering Management, Project Implementation, Project Coordination, Purchasing, Design Specifications
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Responsive Web Design, Browser Compatibility, Web Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: ASP.NET, Restful API, Web Development, Object-Relational Mapping, Web Applications, User Accounts, Data Integrity, Single Sign-On (SSO), Application Programming Interface (API), Authentications, Back-End Web Development, Performance Tuning, Authorization (Computing), Identity and Access Management, Data Validation, Model View Controller, Database Management, Multi-Factor Authentication, Data Security
Intermediate · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Logical Reasoning, Computational Logic, Computational Thinking, Algorithms, Theoretical Computer Science, Artificial Intelligence, Cryptography, Graph Theory
Beginner · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Value-Based Care, Health Care Administration, Healthcare Project Management, Behavioral Economics, Health Systems, Payment Systems, Health Policy, Performance Measurement, Risk Management, Cost Reduction, Accountability, Decision Making, Critical Thinking
Beginner · Course · 1 - 3 Months