Object Oriented Programming courses can help you learn core concepts like classes, objects, inheritance, and polymorphism. You can build skills in designing robust software architectures, implementing design patterns, and writing reusable code. Many courses introduce tools such as Java, Python, and C++, which are commonly used in software development, enabling you to apply your knowledge in practical coding projects. Additionally, you may explore frameworks that enhance object-oriented principles, further enriching your programming toolkit.

The Hong Kong University of Science and Technology
Skills you'll gain: White-Box Testing, Acceptance Testing, Software Development Methodologies, Configuration Management, Debugging, Systems Development Life Cycle, Software Development Life Cycle, Software Testing, Software Development, Software Engineering, Unified Modeling Language, Software Quality Assurance, Software Configuration Management, User Acceptance Testing (UAT), System Design and Implementation, Change Control, Test Case, Requirements Analysis, Waterfall Methodology, Project Management
★ 4.6 (144) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Graph Theory, Algorithms, Java, Java Programming, Data Management, Secure Coding, Theoretical Computer Science, Programming Principles, Other Programming Languages, Performance Tuning, Computer Programming
★ 3.6 (13) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Kotlin, Object Oriented Design, Application Design, Development Environment, Application Development, Functional Testing, Clinic Management Systems
★ 4.8 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Javascript, Web Development Tools, Jest (JavaScript Testing Framework), Web Design and Development, Object Oriented Programming (OOP), Web Development, Application Programming Interface (API), HTML and CSS, Back-End Web Development, Web Applications, JSON, Restful API, Event-Driven Programming, Application Development, Application Deployment, Unit Testing, Programming Principles, Data Structures, Prototyping
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Selenium (Software), Test Automation, Object Oriented Programming (OOP), File I/O, Test Script Development, Software Testing, Programming Principles, Browser Compatibility, Web Development Tools, Software Installation, Automation, Scripting, Python Programming, Development Environment, Integrated Development Environments, Package and Software Management
★ 4.6 (16) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Software Development Tools, Software Development Life Cycle, Program Development, Computer Programming Tools, Computer Programming, Development Environment, Software Development, Programming Principles, Integrated Development Environments, Software Installation, Command-Line Interface, Linux Commands
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Matplotlib, Object Oriented Programming (OOP), Plotly, Seaborn, Data Visualization Software, Data Visualization, Pandas (Python Package), NumPy, Statistical Visualization, Plot (Graphics), Interactive Data Visualization, Data Presentation, Software Documentation, Scatter Plots, Data Structures, Maintainability, Programming Principles, Code Reusability, Data Import/Export, Data Manipulation
★ 4.6 (16) · Intermediate · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), File I/O, Python Programming, Data Structures, Computer Programming, Software Engineering, Performance Tuning, Web Development, Performance Testing, Debugging, Web Development Tools
★ 4.8 (25) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Software Design Patterns, Game Design, Maintainability, Code Reusability, Software Design, Software Architecture, Video Game Development, Programming Principles, Animation and Game Design, Event-Driven Programming, Game Theory, Data Persistence, Artificial Intelligence, Animations, Algorithms
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Android Studio, Android Development, Kotlin, Interactive Design, Object Oriented Programming (OOP), Code Reusability, User Interface (UI) Design, Mobile Development, Android (Operating System), Object Oriented Design, UI Components, Relational Databases, Maintainability, Program Development, PostgreSQL, Database Design, Database Development, Application Development, Computational Logic, Application Design
★ 4.7 (9) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Flutter (Software), Mobile Development, UI Components, Cross Platform Development, Maintainability, Microsoft Visual Studio, Development Environment, Application Development, Integrated Development Environments, Programming Principles, User Interface (UI), Computer Programming, Software Installation
★ 4.4 (23) · Beginner · Course · 1 - 3 Months