java- How to take out json data from string

Question

this is my json string for example :

{"data":{ "name":"Red Sox win 7-0!","famil":"INSERT TITLE HERE","tel":"2251472"}}

this is the code I write but it couldn't get the values:

        JSONObject jsons = new JSONObject(myString);
        Iterator<?> keys = jsons.keys();
        String out = "";
        while (keys.hasNext()) {
            String key = (String) keys.next();
            out += key + ": " + jsons.getString(key) + "\n";
        }

How can I get each item's value ?

the problem with your code, is that keys() returns also data as key — Blackbelt, Dec 30 '14 at 14:15
@Blackbelt I had a problem on my question, I update my new json data , Could you check it out ? — mahdi yamani, Dec 30 '14 at 15:48

Rakesh Rangani · Answer 1 · 2014-12-31T04:55:06.693

2

try this code.

    JSONObject object = new JSONObject(myString);

    JSONObject objectData = object.getJSONObject("data");

    String strTel = objectData .optString("tel");
    String strFamil = objectData .optString("famil");
    String strName = objectData .optString("name");

edited Dec 31 '14 at 04:55

answered Dec 30 '14 at 14:20

Rakesh Rangani

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I had a problem on my question, I update my new json data , Could you check it out ? – mahdi yamani Dec 30 '14 at 15:52

score 1 · Answer 2 · answered Dec 30 '14 at 14:08

In your case you can use jsons.getString(key) for each key because your JSONObject contains only Strings.

But in general, JSONObject can contain values of different types: integer, boolean, int/long, double JSONArray and JSONObject. You have to use the right .getSomething() for each one or generat .get() that retuns Object.

score 1 · Answer 3 · answered Dec 30 '14 at 14:14

1

Great example json-simple-example-read-and-write-json

answered Dec 30 '14 at 14:14

Filip

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I had a problem on my question, I update my new json data , Could you check it out ? – mahdi yamani Dec 30 '14 at 15:53

java- How to take out json data from string

3 Answers3