Test-Driven Development in Java: Complete Beginner Tutorial (TDD Explained with Real Example)
🚀 Learn Test-Driven Development (TDD) in Java with a complete hands-on example with Deividas Strole!
In this tutorial, Deividas Strole shows how to practice TDD by building a simple Calculator application from scratch. We'll follow the Red-Green-Refactor cycle and write tests BEFORE writing implementation code.
🔑 What You'll Learn:
The Red-Green-Refactor TDD cycle
How to set up JUnit 5 in IntelliJ IDEA
Writing effective unit tests
Test-first development mindset
🛠️ Prerequisites:
Java JDK 11 or higher
IntelliJ IDEA (Community Edition is free)
Basic Java knowledge
📦 Dependencies Used:
JUnit Jupiter 5.9.3
Maven
💡 Why Test-Driven Development:
TDD helps you write cleaner, more maintainable code with fewer bugs. By writing tests first, you're forced to think about your API design before implementation, leading to better software architecture.
🎯 Perfect For:
Java beginners learning testing
Developers new to TDD
Students preparing for coding interviews
Anyone wanting to improve code quality
🎥 Created by Deividas Strole
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💬 Questions? Drop them in the comments below!
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