PMI Agile Certified Practitioner (ACP) Practice Exam 2026 - Free Agile Certified Practitioner Practice Questions and Study Guide

Refactoring in coding primarily involves reorganizing and restructuring existing code without changing its external behavior. The goal of refactoring is to improve the quality, readability, and maintainability of code, making it easier for developers to understand and modify in the future. This can include simplifying complex code, removing redundancies, and improving the application's structure, all of which contribute to long-term sustainability and reducing technical debt.

While creating new functionality (as mentioned in one of the choices) is a crucial part of software development, it does not fall under the definition of refactoring. Similarly, testing the code for issues and documenting code are important activities in the software development lifecycle, but they are separate processes. Refactoring specifically focuses on enhancing the existing codebase rather than introducing new features or ensuring code quality through testing.