---
title: "What is a hashtable?"  
description: "What is a hashtable?"  
author: "Sumit Kesarwani"  
published: 2014-08-27  
updated: 2020-09-19  
canonical: https://www.mindstick.com/interview/2067/what-is-a-hashtable  
category: "c#"  
tags: ["c#"]  
reading_time: 1 minute  

---

# What is a hashtable?

Hashtable is a data structure that implements the IDictionary interface. It is used to store multiple items and each of these items is associated with a unique string key. Each item can be accessed using the key associated with it. In short, hashtable is an object holding the key-value pairs.

## Answers

### Answer by Sumit Kesarwani

Hashtable is a data structure that implements the IDictionary interface. It is used to store multiple items and each of these items is associated with a unique string key. Each item can be accessed using the key associated with it. In short, hashtable is an object holding the key-value pairs.


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Original Source: https://www.mindstick.com/interview/2067/what-is-a-hashtable

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