Can you provide guidance on extracting both the key and value from a nested JSON object?

Here is a JSON object example:

JSONObject childDepenObj = new JSONObject();

In this object, keys and values are added as follows:

childDepenObj.put("COL_CHLD_NULFY", gridObjectArray[86]);
childDepenObj.put("COL_CHLD_MAN", gridObjectArray[87]);

Now, I have another JSON Object:

JSONObject gridObject = new JSONObject();

I am using the first JSON object as a value in the above object:

gridObject.put("hiddenObj", childDepenObj);

My question is how to access the key and values of the first JSON object from the frontend,

When trying to access it like this: response.hiddenobj;

The response is coming under hiddenObj. If I want to directly access the key and value like: response.COL_CHLD_NULFY; It shows as undefined. Can anyone help me with this?

javascriptjavajsonspring

Answer №1

If I am interpreting your request correctly, you can retrieve the desired value by accessing

response.hiddenObj.COL_CHLD_NULFY;

However, if you prefer to access it like this

response.COL_CHLD_NULFY;

then simply return the childDepenObj as the response.

This is how the current JSON response appears:

{
  "hiddenObj": {
    "COL_CHLD_NULFY": <<gridObjectArray[86] value>>,
    "COL_CHLD_MAN": <<gridObjectArray[87] value>>,
  }
}

This is the desired format:

{
  "COL_CHLD_NULFY": <<gridObjectArray[86] value>>,
  "COL_CHLD_MAN": <<gridObjectArray[87] value>>,
}

Answer №2

    JSONObject newChildObj = new JSONObject();
    newChildObj.put("CHLD_ITEM", gridObjectArray[86]); 
    newChildObj.put("CHLD_SIZE", gridObjectArray[87]);

    JSONObject mainObject = new JSONObject();
    mainObject.put("hiddenData", newChildObj);

    result = response.hiddenobj.CHLD_ITEM

Give this a shot...

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