统计JAVA程序运行时间

import java.net.InetAddress;
import java.net.UnknownHostException;

public class StatisticsTimes {

    public static void main(String[] args) {

        long time = System.currentTimeMillis();

        InetAddress[] addresses = null;
        try {
            addresses = InetAddress.getAllByName("www.baidu.com");
        } catch (UnknownHostException e) {
            e.printStackTrace();
        }

        System.out.println(String.valueOf(System.currentTimeMillis() - time) + "ms");

        for(InetAddress address : addresses) {

            System.out.println(address);
        }
    }
}