ConcurrentMapTest.java

package com.kxw.thread.collections;

import java.util.Hashtable;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;

/**
 * Created by kangxiongwei on 2015/7/21.
 */
public class ConcurrentMapTest {

    public static void main(String[] args) {

        ConcurrentMap<String,String> map = new ConcurrentHashMap<String, String>();


        Hashtable


    }

}