从TreeMap获取同步映射

import java.util.TreeMap;

import java.util.Collections;/*来 自 N o w J a v a . c o m - 时  代  Java*/

import java.util.Map;

 

public class Main {

 

  public static void main(String[] args) {

    TreeMap treeMap = new TreeMap();

    Map map = Collections.synchronizedMap(treeMap);

  }

}