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: Surveys, Survey Creation, Customer Insights, Data Import/Export, Data Presentation, Market Research, Marketing Analytics, Customer Analysis, Marketing Strategies, Target Audience, Presentations, Data Analysis, Microsoft Excel, Pivot Tables And Charts, Data-Driven Decision-Making, Data Storytelling, Strategic Marketing, Data Capture, Data Collection
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Persistence, File I/O, C (Programming Language), Debugging, Computational Thinking, Programming Principles, Program Development, Application Design, Command-Line Interface, Algorithms
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, Network Architecture, Network Planning And Design, Cloud Computing Architecture, Virtual Networking, Network Monitoring, Network Routing, Google Cloud Platform, Computer Networking, Network Security, Network Performance Management, Virtual Private Networks (VPN), Firewall, Load Balancing, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Swift Programming, Mobile Development, Apple iOS, Apple Xcode, Application Development, UI Components, Data Persistence, User Interface (UI), Debugging, User Interface (UI) Design, Data Structures, Data Modeling, Animations
Beginner · Course · 3 - 6 Months

Skills you'll gain: jQuery, Front-End Web Development, User Interface (UI) Design, Event-Driven Programming, Hypertext Markup Language (HTML)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Algorithms, Systems Analysis, Resource Utilization, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Plot (Graphics), Swift Programming, Apple iOS, Interactive Data Visualization, Apple Xcode, User Interface (UI), User Interface (UI) Design, Color Theory, Hypertext Markup Language (HTML), Animations, Data Management, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Applications, Cloud Development, Google Cloud Platform, Application Development, Cloud API, Cloud Storage, Application Design, Data Storage, Node.JS, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Core Data (Software), iOS Development, Data Store, Maintainability, User Interface and User Experience (UI/UX) Design, Software Design, Cloud Storage, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, 3D Assets, Game Design, Virtual Environment, Video Game Development, Debugging, Computer Graphics, Algorithms, Scripting, Computer Programming
Advanced · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Relational Databases, Database Administration, Google Cloud Platform, Databases, Database Systems, Database Management, SQL, Database Architecture and Administration, Cloud Applications, Data Migration, Database Design, Dataflow, Query Languages, Cloud Management, Application Deployment, Transaction Processing, System Monitoring, Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Architecture, Network Security, Network Planning And Design, Cloud Computing Architecture, Virtual Networking, Network Troubleshooting, Google Cloud Platform, Network Routing, Virtual Private Networks (VPN), Firewall, Load Balancing, Scalability
Intermediate · Course · 1 - 4 Weeks