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: Apple iOS, Swift Programming, Apple Xcode, Responsive Web Design, Mobile Development, Unit Testing, User Interface (UI), UI Components, Storyboarding
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Apache Maven, Spring Framework, Microservices, Spring Boot, Java, Java Programming, Back-End Web Development, Software Architecture, Server Side, Load Balancing, Cloud Development, Restful API, Systems Architecture, Web Applications, Scalability
Advanced · Course · 1 - 4 Weeks

Instituto Tecnológico de Aeronáutica
Skills you'll gain: Model View Controller, Selenium (Software), Web Applications, Java, JUnit, Java Platform Enterprise Edition (J2EE), Software Testing, Application Development, Agile Software Development, Database Development
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Computational Thinking, C (Programming Language), Data Structures, Programming Principles, Computer Programming, Data Store, Problem Management, Program Development, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Exploitation techniques, Scripting, Scripting Languages, Python Programming, Cyber Operations, Object Oriented Programming (OOP), Network Security, Network Protocols, Debugging
Advanced · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Business Analytics, Regression Analysis, Machine Learning Algorithms, Classification And Regression Tree (CART), Applied Machine Learning, Scikit Learn (Machine Learning Library), Unsupervised Learning, Data Processing, Predictive Modeling, Machine Learning, Workflow Management, Python Programming, Supervised Learning
Build toward a degree
Intermediate · Course · 1 - 4 Weeks
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Functional Design, Software Design Patterns, Data Structures, Simulations
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Web Scraping, Git (Version Control System), Scripting, Version Control, Email Automation, Software Testing, Automation, Restful API, Application Programming Interface (API), Python Programming, Data Cleansing, Performance Tuning, Productivity, File Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: COBOL (Programming Language), Agile Methodology, Technical Support, Software Development Life Cycle, Program Development, Scrum (Software Development), Software Development, Software Quality Assurance, Quality Assurance, Code Review, Debugging, Software Documentation, Technical Documentation, Computer Programming
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: PySpark, Snowflake Schema, Databricks, Data Pipelines, Apache Spark, MLOps (Machine Learning Operations), Apache Hadoop, Big Data, Data Warehousing, Data Quality, Data Integration, Data Processing, DevOps, Data Transformation, SQL, Python Programming
Advanced · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Make.com, Email Automation, Deepseek, Workflow Management, No-Code Development, LLM Application, Operational Efficiency, Business Process Automation, Human Computer Interaction, Artificial Intelligence and Machine Learning (AI/ML), Application Design, Automation, Generative AI, Application Programming Interface (API), Application Deployment, Natural Language Processing, Case Studies, Prompt Engineering, Data Capture, Debugging
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Code Review, Debugging, Scripting, Python Programming, Programming Principles, Software Development
Intermediate · Guided Project · Less Than 2 Hours