import org.json.*;

public class Test {
    static final String TEST_MSG =
        "[{\"email\":\"martin.bohun@gmail.com\",\"primary\":true,\"verified\":true}, {\"email\":\"martin.hormann@csiro.au\",\"primary\":false,\"verified\":false}]";

    static public void main(String[] args) {
        try {
            final JSONArray arr = new JSONArray(Test.TEST_MSG);
            System.out.println("arr:" + arr + " arr.length:" + arr.length());

            for (int i = 0; i < arr.length(); i++) {
                final JSONObject obj = arr.getJSONObject(i);
                if (obj.getBoolean("primary")) {
                    System.out.println("github email:" + obj.getString("email"));
                }
            }

        } catch (JSONException e) {
            e.printStackTrace();
        }
    }
}