Refactoring by Leveraging Tests with Java & JUnit | CodeSignal Learn

Software Engineering

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Refactoring by Leveraging Tests with Java & JUnit

This course focuses on the Refactor step in TDD, teaching developers to spot code smells and resolve them through refactoring. Using real-world examples, you'll identify common issues, apply refactoring techniques, and ensure functionality is preserved with existing tests.

Java

JUnit

5 lessons

21 practices

Less than 3 hours

Course details

Eliminating Duplicated Code: Extract Functions and Refactor Magic Numbers

Refactor Duplicate Code in the Tests

Refactor Tests using Parameterization

Extract Function: calculateItemCost

Refactor Duplication between Calculate Functions

Refactor Magic Numbers to Constants

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