import java.util.*;

public class NewVsOld {

  public static void main(String[] args) {
	// This is old style
	// There is a better way to create the initial list: 
	//    List oldList = Arrays.asList(args);
	List oldList = new ArrayList();
	for (int i=0;i<args.length;i++)
	  oldList.add(args[i]);

	int cnt=0;
	for (Iterator i = oldList.iterator(); i.hasNext(); ) {
	  String x = (String) i.next();
	  System.out.println(cnt + ": " + x);
	  cnt++;
	}

	// This is new style
	// There is a better way to create the initial list: 
	// List oldList = new List();
	List<String> newList = new ArrayList<String>();
	for (int i=0;i<args.length;i++)
	  newList.add(args[i]);

	cnt=0;
	for (Iterator i = newList.iterator(); i.hasNext(); ) {
	  String x = (String) i.next();
	  System.out.println(cnt + ": " + x);
	  cnt++;
	}
  }
}