检查TreeMap是否存在特定值

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

 

import java.util.TreeMap;

 

public class Main {

 

  public static void main(String[] args) {

    TreeMap treeMap = new TreeMap();

   

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

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

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

   

    boolean blnExists = treeMap.containsValue("Three");

    System.out.println("Three exists in TreeMap ? : " + blnExists);

  }

}