---
title: "Explain what is JSON and  uses of JSON in iOS?"  
description: "Explain what is JSON and  uses of JSON in iOS?"  
author: "Sunil Singh"  
published: 2017-01-13  
updated: 2020-09-22  
canonical: https://www.mindstick.com/interview/23181/explain-what-is-json-and-uses-of-json-in-ios  
category: "ios"  
tags: ["javascript", "json", "iphone", "ios", "iphone sdk"]  
reading_time: 2 minutes  

---

# Explain what is JSON and  uses of JSON in iOS?

JSON stand for JavaScript Object Notation it is lightweight data-interchange format .

NSJSONSerialization class defined in the foundation framework that includes in iOS version 5 that is used to convert NSData-JSON Object to NSDictionary.

## Uses of JSON-

JSON Format is used for serialising and transmitting structureed data over the network.It is primary source of transmitting of data between server and client application . JSON build on two structure-

1. A Collection of Name/Value pairs in different languages as an object ,record,struct,dictionary, hash table key list and associative array.
2. An ordered list of value.

## Answers

### Answer by Sunil Singh

JSON stand for JavaScript Object Notation it is lightweight data-interchange format .

NSJSONSerialization class defined in the foundation framework that includes in iOS version 5 that is used to convert NSData-JSON Object to NSDictionary.

## Uses of JSON-

JSON Format is used for serialising and transmitting structureed data over the network.It is primary source of transmitting of data between server and client application . JSON build on two structure-

1. A Collection of Name/Value pairs in different languages as an object ,record,struct,dictionary, hash table key list and associative array.
2. An ordered list of value.


---

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