---
id: 647e23508acb466c97ccbeff
title: Perform Operations on Arrays Using Helper Methods in C#
challengeType: 19
dashedName: perform-operations-on-arrays-using-helpers-methods-in-c-sharp
---

# --description--

This challenge will be partially completed on the Microsoft Learn platform. Follow these instructions to complete the challenge:

1. Go to <a href="https://learn.microsoft.com/training/modules/csharp-arrays-operations/" target="_blank" rel="noreferrer">https://learn.microsoft.com/training/modules/csharp-arrays-operations/</a> and complete all the tasks for the "Perform Operations on Arrays Using Helper Methods in C#" module. This is **required** to earn the "Work with Variable Data in C# Console Applications" trophy on Microsoft Learn, and qualify for the certification exam.
1. When you are finished, come back and correctly answer the question below.

# --assignment--

Complete the <a href="https://learn.microsoft.com/training/modules/csharp-arrays-operations/" target="_blank" rel="noreferrer">Perform Operations on Arrays Using Helper Methods in C#</a> module on Microsoft Learn. Then, answer the question below.

# --questions--

## --text--

Which method changes the order of items in an `string` array?

## --answers--

`myArray.Resize()`

---

`myArray.Clear()`

---

`Array.Sort()`

## --video-solution--

3
