example13_6.java

不错的教程 适合中高级人员的使用

import java.util.*;
class Example13_6
{public static void main(String args[])
 { TreeSet mytree=new TreeSet();
   mytree.add("boy");mytree.add("zoo");
   mytree.add("apple"); mytree.add("girl");
   Iterator te=mytree.iterator();
   while(te.hasNext())
    System.out.println(""+te.next());
  }
}