TestIterator.java

package u020;

import java.util.Arrays;
import java.util.Iterator;
import java.util.List;

/**
 * Created by HuGuodong on 12/2/19.
 */
public class TestIterator {

 public static void main(String[] args) {
 List<String> songs = Arrays.asList("南方姑娘", "曾经的你", "Lydia");
 Iterator<String> playListIterator = songs.iterator();
 while (playListIterator.hasNext())
 System.out.println(playListIterator.next());
// 南方姑娘
// 曾经的你
// Lydia
 }
}