The json () method of the Request interface reads the request body and returns it as a promise that resolves with the result of parsing the body text as JSON . How can custom headers be set for a Volley request? GetObjectRequest (AWS SDK for Java - 1.12.230) To create a POJO class of it, follow the below steps: Firstly, in this model Package, Right-click on the model and select New >> Package. A header is generally an item that spans the width of a list and acts as a title or separator. Minimize duplicated symbols to increase build throughput. All of it is available in my GitHub – check it out. Overriding Response Header Values. JSON Example This example reads a menu from myTutorials.txt, and displays the menu in a web page: JSON Example