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: Software Design Patterns, Software Architecture, Software Development Life Cycle, Software Quality Assurance, Software Quality (SQA/SQC), Software Design, Software Engineering, Quality Assurance, Systems Analysis, Object Oriented Design, Systems Design, Project Management, Project Planning, Systems Architecture, Unified Modeling Language, Diagram Design
★ 4.6 (220) · Intermediate · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Software Design Patterns, Requirements Analysis, White-Box Testing, Software Architecture, Acceptance Testing, Software Development Methodologies, Unified Modeling Language, Software Development Life Cycle, Configuration Management, Software Quality Assurance, Debugging, Software Quality (SQA/SQC), Software Engineering, Software Testing, Object Oriented Design, Functional Requirement, Data Modeling, Systems Design, Project Management, Project Planning
★ 4.6 (681) · Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Javascript, Ajax, JSON, Web Applications, Web Development, Object Oriented Programming (OOP), Event-Driven Programming, Programming Principles, Network Protocols
★ 4.5 (57) · Mixed · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: JUnit, Test Automation, Unit Testing, Java Programming, Java, Test Script Development, Verification And Validation, Test Tools, Software Testing, Test Execution Engine, Development Testing, Quality Assurance, Software Quality Assurance, System Testing, Application Development, Test Case, Data Validation, Application Design, Automation, Software Development
★ 4.9 (20) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, File I/O, Computer Programming, Microsoft Visual Studio, Computer Programming Tools, Integrated Development Environments, System Programming, Programming Principles, Apple Xcode, Code Reusability, Development Environment, Algorithms, File Systems, Software Design Patterns, Data Structures, Performance Tuning, Debugging, File Management
★ 4.3 (32) · Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Microsoft SQL Servers, C# (Programming Language), Web Services, Database Management, Database Development, JSON, Back-End Web Development, SQL, Database Design, Server Side, .NET Framework, Object Oriented Programming (OOP), Application Programming Interface (API), API Design, Database Architecture and Administration, Programming Principles, Object Oriented Design
★ 4.1 (14) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Object Oriented Programming (OOP), Debugging, Object Oriented Design, JSON, Program Development, Data Structures, Code Reusability, Python Programming, Microsoft Visual Studio, Development Environment, Scripting, Maintainability, Integrated Development Environments, Package and Software Management, Authorization (Computing), Programming Principles, Computer Programming, Web Scraping, Application Programming Interface (API)
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: TypeScript, Object Oriented Design, Node.JS, Role-Based Access Control (RBAC), Object Oriented Programming (OOP), Webpack, React Redux, Back-End Web Development, React.js, Full-Stack Web Development, Web Development, MongoDB, Front-End Web Development, Javascript, Application Programming Interface (API), Software Design Patterns, API Design, Programming Principles, Software Development, Debugging
★ 4.7 (6) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Flutter (Software), User Interface (UI) Design, UI Components, User Interface and User Experience (UI/UX) Design, JSON, Object Oriented Programming (OOP), Object Oriented Design, Mobile Development, Package and Software Management, Code Reusability, Data Modeling
★ 5 (8) · Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Systems Thinking, Software Visualization, Object Oriented Design, Software Engineering, Object Oriented Programming (OOP), Project Risk Management, Application Design, Web Applications, Software Development Life Cycle, Risk Management, Case Studies, Web Development, Software Development Methodologies, Application Development, Business Logic, Python Programming, Application Frameworks, Software Design, Programming Principles, Computer Programming
★ 3.1 (24) · Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: .NET Framework, ASP.NET, Microservices, DevOps, C (Programming Language)
★ 4.1 (390) · Intermediate · Specialization · 1 - 3 Months

University of Michigan
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Software Design, Program Development, Data Structures, Visualization (Computer Graphics), Graphic and Visual Design, Computer Graphics, Creative Design, Python Programming, Linear Algebra
Intermediate · Course · 1 - 3 Months