How to parse json where key name is integer number

Question

I need to parse json like this:

{
"response": {
    "70": [326707130, 320565529, 218874712, 195318591, 272944693, 136909660, 384774802, 9486342, 5663588, 245478751, 437283231],
    "75": [205268343, 307729010, 272944693, 384774802, 312530843, 220948861, 270477243]
}
}

Im using GSON, and i dont know what to do, because i can`t name the variable in Java like this:

public int[] 70;

Note: the keys in your example aren't numbers. They're strings that happens to contain only digits. — Erwin Bolwidt
– Erwin Bolwidt, Commented Feb 19, 2018 at 5:34

Andreas · Accepted Answer · 2018-02-19 05:13:39Z

4

You can use @SerializedName or a Map.

Easiest is a Map:

class Root {
    Map<String, List<Integer>> response;
}

The keys can be integers too:

class Root {
    Map<Integer, List<Integer>> response;
}

But if you prefer defined fields, use @SerializedName:

class Root {
    Response response;
}

class Response {
    @SerializedName("70")
    List<Integer> listA;

    @SerializedName("75")
    List<Integer> listB;
}

In all cases you read the JSON using:

Root root = gson.fromJson(in, Root.class);

edited Feb 19, 2018 at 5:13

answered Feb 19, 2018 at 5:08

Andreas

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