Simple Stringer 

JSON (JavaScript Object Notation) is a lightweight text-based open standard designed for human-readable data interchange. Douglas Crockford has provided a reference implementation of JSON in Java at http://json.org/ useful for JSON serialization and deserialization. Click here to download the compiled library. The following example shows serializing a JSON Object using JSONStringer.

File Name  :   com/bethecoder/tutorials/json_java/tests/SimpleStringer.java  Author  :   Sudhakar KV Email  :   [email protected]

package com.bethecoder.tutorials.json_java.tests; import org.json.JSONException; import org.json.JSONStringer; public class SimpleStringer {   /**    * @param args    * @throws JSONException     */   public static void main(String[] args) throws JSONException {     JSONStringer stringer = new JSONStringer();          String jsonStr = stringer             .object()      //Start JSON Object               .key("name")               .value("Sriram")                              .key("age")    //Add key-value pairs                 .value("2 years")                              .key("hobby")               .value("painting")             .endObject()    //End JSON Object             .toString();     System.out.println(jsonStr);   } }

{ "name":"Sriram", "age":"2 years", "hobby":"painting" }