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, Requirements Analysis, White-Box Testing, Systems Development Life Cycle, Software Architecture, Acceptance Testing, Software Development Methodologies, Unified Modeling Language, Software Development Life Cycle, Configuration Management, Software Quality Assurance, Debugging, Software Engineering, Software Testing, Object Oriented Design, Functional Requirement, Data Modeling, Systems Design, Project Management, Project Planning
★ 4.6 (651) · Intermediate · Specialization · 3 - 6 Months

Google DeepMind
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Data Structures, Data Cleansing, Python Programming, Data Analysis, NumPy, Pandas (Python Package), Data Manipulation, Programming Principles, Analytics, Analytical Skills, Scripting, Code Reusability
★ 4.7 (89) · Beginner · Course · 1 - 4 Weeks

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

Board Infinity
Skills you'll gain: File I/O, Object Oriented Programming (OOP), Python Programming, Programming Principles, Code Reusability, Object Oriented Design, File Management, Data Structures, Computer Programming, Algorithms, Data Storage, Data Management
★ 3.9 (12) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Package and Software Management, Data Science, Exploratory Data Analysis, Computer Programming, Mathematical Software
★ 4.7 (83) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Application Deployment, Microservices, Docker (Software), Spring Boot, Spring Framework, Containerization, CI/CD, API Design, Application Programming Interface (API), Java Programming, Hibernate (Java), Back-End Web Development, Systems Architecture, Java, Software Architecture, Software Design, Authentications, Software Development, IntelliJ IDEA
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Django (Web Framework), Object-Relational Mapping, Database Application, SQL, Cloud Deployment, Bootstrap (Front-End Framework), Relational Databases, Database Management, Database Design, Full-Stack Web Development, Databases, Cloud Applications, Application Frameworks, Web Applications, Authentications, UI Components, Model View Controller, Application Development, Query Languages, Data Modeling
★ 4.5 (355) · Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Object Oriented Design, Java Programming, Code Reusability, Application Design, Solution Design, Design Strategies, Design Elements And Principles
★ 4.7 (33) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Development Environment, Computer Programming, Microsoft Visual Studio, Computer Programming Tools, Integrated Development Environments, Programming Principles, Apple Xcode, Software Installation, Data Structures, Performance Tuning, Debugging
★ 4.3 (22) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Object Oriented Programming (OOP), Eclipse (Software), Java, Java Programming, JUnit, HTML and CSS, Object Oriented Design, Test Automation, Hypertext Markup Language (HTML), Software Testing, Test Script Development, Integrated Development Environments, Web Design and Development, Test Data, Browser Compatibility, Computer Programming, Test Tools, Web Development, Programming Principles
★ 4.5 (29) · Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Spring Framework, Java Programming, Java, File I/O, Java Platform Enterprise Edition (J2EE), Object Oriented Programming (OOP), Application Frameworks, Code Reusability, Data Structures, File Management
★ 4.7 (222) · Intermediate · Course · 1 - 3 Months