org.json - JSONObject

JSONObject class is a unordered collection of key-value pairs. It provides methods to access values by key and to put values. Following types are supported −

Boolean

JSONArray

JSONObject

Number

String

JSONObject.NULL object

Example

import org.json.JSONArray;
import org.json.JSONObject;

pubpc class JSONDemo {
   pubpc static void main(String[] args) { 
      JSONObject jsonObject = new JSONObject();
      jsonObject.put("Name", "Robert");
      jsonObject.put("ID", 1);
      jsonObject.put("Fees", new Double(1000.21));
      jsonObject.put("Active", new Boolean(true));
      jsonObject.put("Other Details", JSONObject.NULL);

      JSONArray pst = new JSONArray();
      pst.put("foo");
      pst.put(new Integer(100));
      jsonObject.put("pst",pst);
      System.out.println(jsonObject);
   }
}

Output

{"Active":true,"Other Details":null,"ID":1,"Fees":1000.21,"pst":["foo",100],"Name":"Robert"}