JSON Tutorials Archives...

JSON, or JavaScript Object Notation, is a minimal, readable format for structuring data. It’s widely used format in all Tech Companies to transfer data via REST or SOAP call.

Explore all of listed below JSON learning Tutorial Tips and Tricks.

Escape Character Utility for URL and JSON data – Feel free to use in your Java Project

January 26th, 2019 by App Shah

What is escape character in Java? Mainly escape characters are the characters which replaces existing character with new & provided character which works best without throwing any error ...
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In Java How to Convert Map / HashMap to JSONObject? [4 Different Ways]

January 13th, 2019 by App Shah

Converting Objects from one form to another is a common request. There are 4 different ways to convert Java Map/HashMap to JSONObject. We will go over details on how to convert HashMap to ...
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How to Merge/Concat Multiple JSONObjects in Java? Best way to Combine two JSONObjects

September 15th, 2018 by App Shah 2

In Java - What is the best way to combine / merge multiple JSONObjects? JSONObject is an unordered collection of name/value pairs and widely used in Java Enterprise applications for data ...
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In Java How to Convert ArrayList to JSONObject?

May 16th, 2018 by App Shah

JSONObject is a very popular in terms of transferring data between two systems. Now a days everything is transferred between the systems is JSONObject. It's been long time I've been ...
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How to use Gson -> fromJson() to convert the specified JSON into an Object of the Specified Class

August 16th, 2017 by App Shah 2

As many of you know already Gson is a great Java library that can be used to convert Java Objects into their JSON representation. It works also in reverse order deserializing the specified ...
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How to Flatten or Unflatten Complex JSON objects into Flat & Map-Like Structure in Java?

November 29th, 2018 by App Shah 3

How to deserialize nested JSON into flat, Map-like structure? Couple of days back I got a questions on how to flatten JSON Object which may be simple of Complex in ...
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Java JsonGenerator – JSON Processing API and How To Enable Pretty Print JSON Output (Gson + Jackson)

July 16th, 2017 by App Shah 12

This will be very interesting tutorial. Sometimes in your Enterprise Java Application, you have to deal with lots of JSON data. Sometimes you have Write to file, Read from file, log it ...
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Create Very Simple Jersey REST Service and Send JSON Data From Java Client

July 16th, 2017 by App Shah 90

Recently I have to pass JSON data to REST Service and did not have any simple Client handy. But created very simple Java program which read JSON data from file and sends it to REST ...
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Java: How to Parse JSONObject and JSONArrays – Beginner’s Guide

July 16th, 2017 by App Shah 22

Here is a simple Java tutorial which demonstrate how to parse JSONObject and JSONArrays in Java. JSON syntax is a subset of the JavaScript object notation syntax: Data is in ...
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