遍历TreeMap的值

/**from n  o  w  j  a  v  a . c o m**/

 

import java.util.Collection;

import java.util.TreeMap;

import java.util.Iterator;

 

public class Main {

 

  public static void main(String[] args) {

    TreeMap treeMap = new TreeMap();

   

    //add key value pairs to TreeMap

    treeMap.put("1","One");

    treeMap.put("2","Two");

    treeMap.put("3","Three");

   

    Collection c = treeMap.values();

   

    //obtain an Iterator for Collection

    Iterator itr = c.iterator();