Simple Hive UDF (3)

ArraySum.java

public class ArraySum extends UDF {
  public double evaluate(List<Double> value) {
    double sum = 0;
    for (int i = 0; i < value.size(); i++) {
      if (value.get(i) != null) {
        sum += value.get(i);
      }
    }
    return sum;
  }
}