How do I include one JSON in another JSON?

My first JSON is:

{  
  "categoryId":"Painting",  
  "subCategoryId":"Residential",  
  "alternatives":    [1,2,3,4,5],  
  "criterias":["price","quantity","yom","company"],  
  "answers":[["1000","12343","4543","","4645646"],["12","23","34","","45"],["2014","","2000","1990","2005"],["xyz","","Abc","jkl","mno"]]  
}  

This will come from a java URL, here I am using PHP, in PHP I am calling a java URL.

My Second JSON is:

{"criterias":"Location"}

I am generating this using JQuery. How can I include the second JSON into the first JSON criterias?

Answer

You need to convert your first JSON string to object and add a new property to it.

If it is Java, you can use Google’s Gson library

Gson gson = new Gson();
JsonObject jsonObj = gson.fromJson (jsonStr, JsonElement.class).getAsJsonObject();
jsonObj.add("criterias", "Location");

If it is JavaScript,

var jObj = JSON.parse(jsonString);
jObj.criterias = "Location";  //jObj.NewItem = "NewValue";