import java.util.Iterator;
import java.util.Collection;
import java.util.List;
import java.util.ArrayList;

public class Gen2 {
  public static void printCollection(Collection c) {
    Iterator i = c.iterator();
    while (i.hasNext()) {
      System.out.println(i.next());
    }
  }
  public static void printCG(Collection<?> c) {
    for (Object e : c) {
      System.out.println(e);
    }
  }
  public static void main(String args[]) {
    List<String> ls = new ArrayList<String>();
    ls.add("Fernando");
    ls.add("Magno");
    printCollection(ls);
    printCG(ls);
  }
}