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.

University of Illinois Urbana-Champaign
Skills you'll gain: Detail Oriented, Follow Through, Analytical Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, Go (Programming Language), Restful API, Authentications, Application Programming Interface (API), Secure Coding, API Design, Application Security, Software Testing, Microservices, Authorization (Computing), Database Development, Web Servers, Server Side, Databases, Software Architecture, JSON, Role-Based Access Control (RBAC), Maintainability, Software Design Patterns
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), User Interface (UI), User Experience Design, Web Design and Development, Development Environment, Front-End Web Development, Javascript, Web Development, Web Applications, Responsive Web Design, Microsoft Visual Studio, Real Time Data, Data Validation
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Program Management, Project Design, Program Evaluation, Project Management Life Cycle, Process Flow Diagrams, Project Management, Diagram Design, Project Management Software, Program Development, Agile Methodology
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: React Native, User Interface and User Experience (UI/UX) Design, UI Components, Mobile Development, Unit Testing, Software Testing, Authentications, Debugging, iOS Development, Android (Operating System), Mobile Security, Frontend Performance, Mobile Development Tools, Animations, Application Security, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: GitHub, Version Control, Bootstrap (Front-End Framework), .NET Framework, Model View Controller, Cross Platform Development, Microsoft Development Tools, Development Environment, Authentications, Web Applications, jQuery, Software Development Tools, Responsive Web Design, Data Validation, Microsoft SQL Servers, Databases
Beginner · Course · 1 - 3 Months
Cisco Learning and Certifications
Skills you'll gain: Network Performance Management, Wireless Networks, Wide Area Networks, TCP/IP, Network Routing, Network Infrastructure, Performance Tuning, Network Monitoring, Network Troubleshooting, Routing Protocols, Network Planning And Design, Network Switches, Virtual Networking, Network Administration, Local Area Networks, Software-Defined Networking, Network Protocols, Network Analysis, IT Infrastructure, Configuration Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Educational Materials, Learning Management Systems, Needs Assessment, Goal Setting, Virtual Environment, Instructional Design, Organizational Skills, Content Management, Planning, Digital pedagogy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Post-Production, Animation and Game Design, Cinematography, Unreal Engine, Animations, 3D Assets, Computer Graphics, Virtual Environment, Virtual Reality, Video Game Development, Baking
Beginner · Course · 3 - 6 Months

Skills you'll gain: Presentations, Prompt Engineering, Responsible AI, Verbal Communication Skills, Sampling (Statistics), Excel Formulas, Data Storytelling, Spreadsheet Software, Generative AI, Data Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Development Environment, Scalability, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microservices, CI/CD, Containerization, Serverless Computing, Docker (Software), Kubernetes, Event-Driven Programming, Transaction Processing, Cloud Deployment, Redis, Software Architecture, Distributed Computing, Scalability, Amazon Web Services, System Monitoring, Software Design Patterns, Data Integrity, Real Time Data
Advanced · Course · 1 - 3 Months