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public static void main(String[] args) {
// write your code here
// HashMap<String,HashMap<String,String>> m = new HashMap<>();
String arr = "{\'arr1\':[{\'dig1\':\'haha1\'}],\'arr2\':[{\'dig2\':\'haha2\'}]}";
JSONObject array = JSON.parseObject(arr);
for(String k:array.keySet())
{
JSONArray job = array.getJSONArray(k);
for(int i=0;i<job.size();i++)
{
JSONObject j =job.getJSONObject(i);
for(String key:j.keySet()) {
System.out.println(key);
System.out.println(j.getString(key));
}
}
}
System.out.println("ok");
}