Differences Between org.simple.json and org.json Libraries in Java

In Java, org.simple.json and org.json are two libraries that help in reading, writing, and manipulating JSON. But still, they are different. In this article, we are going to learn about these differences.

Difference between JSON.simple vs JSON

Let's see the below differences and they are -

Example for org.simple.json package

In the given program, it creates a JSONObject, adds key-value pairs, and gives output, JSON as a string using the toJSONString() method.

import org.json.simple.JSONObject;
public class SimpleJsonTest {
   public static void main(String[] args) {
      JSONObject jsonObj = new JSONObject();
      jsonObj.put("empName", "Raja");
      jsonObj.put("employeeId", "115");
      jsonObj.put("age","30");
      System.out.println(jsonObj.toJSONString());
   }
}

Following is the output of the above program -

{"empName":"Raja","employeeId":"115","age":"30"}

Example for org.json package

Following example prints the contents of a JSON document using the org.json library -

import org.json.*;

public class JSONTest {
   public static void main(String args[]) throws JSONException {
      String json = "{" + ""Name": "Jai"," + ""Age": 25, " + ""Salary": 25000.00 " + "}";
      JSONObject jsonObj = new JSONObject(json);
      System.out.println(jsonObj.toString());
   }
}

Following is the output of the above program -

{"Name":"Jai","Age":25,"Salary":25000}