Array of parameters in a JSONObject using JAVA

Question

I am trying to have this exact JSON syntax but can't get to it:

{
    "sun":"yellow",
    "vegetables":[{
        "apple":"red",
        "banana":"yellow",
        "melon":"orange"
    }]
}

The closest I can get is:

{
    "sun":"yellow",
    "vegetables":["{
        "apple":"red",
        "banana":"yellow",
        "melon":"orange"
    "]}
}

This is what I am doing:

JSONObject json = new JSONObject();
json.put("sun","yellow");

ArrayList<HashMap<String,Object>> test = new ArrayList<HashMap<String,Object>>();
HashMap<String,Object> params = new HashMap<String, Object>();
params.put("apple","red");
params.put("banana","yellow");
params.put("melon","orange");

test.add(params);
json.put("fruits",test);

I can't figure it out, am I missing something?

"The closest I can get is:" version isn't even valid JSON! Also, you put in "fruits" so how does it come out "vegetables"? Whatever JSON parser you are using is awesome ;) Please run your application again and provide us with the real output rather than what you typed out! ;) — Faraday
– Faraday, Commented Jun 14, 2012 at 22:59

JHS · Accepted Answer · 2012-06-14 23:04:27Z

6

It should be like this -

JSONObject json = new JSONObject();
json.put("sun","yellow");

JSONArray veg = new JSONArray();
JSONObject vegData = new JSONObject();
vegData.put("apple","red");
vegData.put("banana","yellow");
vegData.put("melon","orange");

veg.put(vegData);   

json.put("vegetables",veg);

I am using Jettison. You can find details here.

answered Jun 14, 2012 at 23:04

JHS

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1 Comment

Jason Over a year ago

Looks like you put your answer just a bit ahead of me.

Jason · Accepted Answer · 2012-06-14 23:10:18Z

0

Why not do nesting? Some examples here

JSONObject outer = new JSONObject();
JSONObject inner = new JSONObject();
JSONArray  array = new JSONArray();

outer.put("sun", "yellow");
array.put("apple", "red");
array.put("bannanna", "yellow");
array.put("melon", "orange");

inner.put(array);

outer.put("Vegtables":inner);

answered Jun 14, 2012 at 23:10

Jason

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