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.

Skills you'll gain: COBOL (Programming Language), Continuous Integration, Development Testing, Test Automation, Unit Testing, Development Environment, Middleware, Program Development, z/OS, Mainframe Computing, Debugging, Integrated Development Environments, Mainframe Technologies, Data Structures, Computer Programming, Programming Principles, Application Programming Interface (API), File I/O, Performance Tuning, Automation
Intermediate · Course · 3 - 6 Months

EDUCBA
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Kotlin, Android Studio, Android Development, Unit Testing, Object Oriented Programming (OOP), Test Driven Development (TDD), Software Testing, Mobile Development, Application Development, Functional Design, Programming Principles
Intermediate · Course · 1 - 4 Weeks

JetBrains
Skills you'll gain: Application Development, Application Deployment, Generative AI Agents, Large Language Modeling, Software Development Tools, LLM Application, AI literacy, IntelliJ IDEA, Agentic Workflows, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Integrated Development Environments, Agentic systems, Code Review, Software Development, Software Development Life Cycle
Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: Event-Driven Programming, Software Design Patterns, JavaScript Frameworks, Web Frameworks, Frontend Integration, Web Applications, Software Architecture, Dataflow, Programming Principles, Javascript, Data Pipelines, Data Mapping, Memory Management, Data Validation
Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Java Programming, Dataflow, Java, Programming Principles, Application Frameworks, Algorithms, Performance Tuning, Theoretical Computer Science, Functional Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Swift Programming, Apple iOS, iOS Development, Unit Testing, Apple Xcode, Test Case, Software Testing, Object Oriented Programming (OOP), Data Structures, Object Oriented Design, Programming Principles, Application Development, Functional Design, Algorithms
Intermediate · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Other Programming Languages, Software Design, Ruby (Programming Language), Programming Principles, Data Structures, Computer Programming, Functional Design, Code Reusability
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Test Driven Development (TDD), Python Programming, Object Oriented Programming (OOP), Object Oriented Design, Scripting Languages, Code Reusability, Test Script Development, Computer Programming, Unit Testing, File I/O, Development Testing, Web Development, Scripting, Program Development, Other Programming Languages, Database Software, Open Source Technology, Database Management, Database Development, Data Processing
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Control Systems, Programmable Logic Controllers, Animations, Human Machine Interfaces, UI Components, Real-Time Operating Systems, Visualization (Computer Graphics), Control Panels, Interactive Design, User Interface (UI), Code Reusability, Program Development, Simulations, Interactive Data Visualization, Automation Engineering, Machine Controls, Computer Hardware, Electrical Wiring, Computational Logic, Network Troubleshooting
Intermediate · Specialization · 3 - 6 Months

Pearson
Skills you'll gain: Generative AI, Large Language Modeling, PyTorch (Machine Learning Library), Generative Model Architectures, Multimodal Prompts, Fine-tuning, Image Analysis, Model Evaluation, Autoencoders, Hugging Face, Embeddings, Computer Vision, Convolutional Neural Networks, Artificial Neural Networks, LLM Application, Natural Language Processing, Deep Learning, Prompt Engineering, Model Training, Image Quality
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Data Structures, Programming Principles, IT Automation, File I/O, Python Programming, Code Reusability, Development Environment, Scripting, Computational Logic, Program Development, Computer Programming, Virtual Environment, Debugging, Problem Solving
Beginner · Course · 1 - 4 Weeks