Org.Json - JSONStringer Class

JSONStringer is a utility class to build a JSON Text quickly which confirms to JSON Syntax rules. Each instance of JSONStringer can produce one JSON text.

Example - Creating a JSON Object

JsonDemo.java

package com.tutorialspoint;

import org.json.JSONStringer;

public class JsonDemo {
   public static void main(String[] args) { 
      String jsonText = new JSONStringer()
         .object()
         .key("Name")
         .value("Robert")
         .endObject()
         .toString();
      System.out.println(jsonText);
   }
}

Output

{"Name":"Robert"}

Example - Creating a JSON Array

JsonDemo.java

package com.tutorialspoint;

import org.json.JSONStringer;

public class JsonDemo {
   public static void main(String[] args) { 
      String jsonText = new JSONStringer()
         .array()
         .value("Robert")
         .value("Julia")
         .value("Dan")
         .endArray()
         .toString();
      System.out.println(jsonText);
   }
}

Output

["Robert","Julia","Dan"]

Example - Creating a JSON Array with an Object

JsonDemo.java

package com.tutorialspoint;

import org.json.JSONStringer;

public class JsonDemo {
   public static void main(String[] args) { 
      String jsonText = new JSONStringer()
         .array()
         .value("Robert")
         .value("Julia")
         .value("Dan")
         .object()
         .key("Name")
         .value("Robert")
         .endObject()  
         .endArray()
         .toString();
      System.out.println(jsonText);
   }
}

Output

["Robert","Julia","Dan",{"Name":"Robert"}]