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How to parse json using org-json libraries?

Finding org-json solutions only please **

Suppose you are dealing with a structure as shown below.

Using json-org, how can I get an array of tests if all this json is represented in Strings?

Using Google gson, this is easy to do by checking what type of given object is ... I am missing something simple here with json-orglibrary

{
   "Groups":{
      "Test":[
         {
            "Test Number":123456,
            "Channel":"TEST",
            "environment":"A",
            "output event":[
               {
                  "description":"very good description",
                  "value":123,
                  "active":true
               },
               {
                  "description":"another very good description",
                  "value":456,
                  "active":true
               }
            ],
            "active":true,
            "instrument":"ABC"
         },
         {
            "Test Number":547985,
            "Channel":"some new channel",
            "environment":"B",
            "output event":[
               {
                  "description":"reject",
                  "value":123,
                  "active":true
               },
               {
                  "description":"ack",
                  "value":456,
                  "active":true
               }
            ],
            "active":true,
            "instrument":"XYZ"
         }
      ],
      "name":"A clever name",
      "active":true
   }
}
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1 answer

It so happened that I got it before someone else could help. If anyone has a similar question, I post the answer below:

JSONObject o = new JSONObject(s);

JSONArray arrayOfTests = (JSONArray) ((JSONObject) o.get("Groups")).get("Test");

for (int i = 0; i < arrayOfTests.length(); i++) {
    System.out.println(arrayOfTests.get(i));
}
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