1List<Employee> list = mapper.readValue(jsonString,
2TypeFactory.defaultInstance().constructCollectionType(List.class,  
3   Employee.class));
4

1dataArray = [{"Value":10,"ValuePourcent":2},{"Value":20,"ValuePourcent":3},{"Value":51,"ValuePourcent":1}]
2
3newFormat = dataArray.map(function(e){
4                  return [e["Value"], e["ValuePourcent"]]
5                  });