1. What is the difference between JSON and XML? JSON (JavaScript Object Notation) and XML (Extensible Markup Language) are both popular data interchange formats used in various applications. Here are the key differences between JSON and XML: Syntax : JSON uses a syntax that is based on JavaScript object notation, consisting of key-value pairs and arrays, making it more compact and easier to read for humans. XML, on the other hand, uses a markup language syntax with tags and attributes, which can be more verbose and complex. Data Representation : JSON is primarily used to represent structured data as objects, arrays, and key-value pairs. It supports basic data types like strings, numbers, booleans, null, as well as nested objects and arrays. XML, on the other hand, represents data in a hierarchical tree structure using elements and attributes. It allows for more flexibility in defining custom data structures and supports mixed content (a combination of text and elements). Rea...