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Back-end Engineering

Red-Green-Refactor: Practicing TDD with Kotlin & JUnit

This course focuses on practicing the core TDD workflow: "Red-Green-Refactor." You'll write failing tests (Red), implement code to pass them (Green), and refactor while keeping tests passing (Refactor). No new concepts are introduced—just hands-on practice with various requirements to sharpen your TDD skills.

JUnit

Kotlin

See path

5 lessons

25 practices

3 hours

Programming, Algorithms, and Data Structures

Course details

Intro to TDD with Kotlin and JUnit

Preview

Correct Discount Application

Zero Discount Handling Task

Decimal Discount Precision Task

Negative Price Handling Task

Discount Calculator Implementation

Previous Course

Next Course: Isolating Dependencies using JUnit and Mockito

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