{filelink=4410}

import java.util.ArrayList;

public class ForEachEtCollection {
  static double getAvg(ArrayList nums) {
    double sum = 0.0;
    for (double itr : nums)
      sum = sum + itr;

    return sum / nums.size();
  }

  public static void main(String args[]) {
    ArrayList list = new ArrayList();

    list.add(10.14);
    list.add(20.22);
    list.add(30.78);
    list.add(40.46);

    double avg = getAvg(list);

    System.out.println("la moyenne est " + avg);

  }
}