从ArrayList上得到枚举元素

import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;

public class GetEnumOverArrayList {

public static void main(String[] args) {
    // TODO Auto-generated method stub
    ArrayList arrayList = new ArrayList();

    arrayList.add("A");
    arrayList.add("B");
    arrayList.add("D");
    arrayList.add("E");
    arrayList.add("F");

    Enumeration e = Collections.enumeration(arrayList);

    System.out.println("Enumerating through Java ArrayList");
    while (e.hasMoreElements()) {
      System.out.println(e.nextElement());
    }
}

}
Console：
Enumerating through Java ArrayList
A
B
D
E
F