获取主机名的IP地址

import java.net.InetAddress;

import java.net.UnknownHostException;


public class Main {
/*来自 
 时 代 J a v a - nowjava.com*/

  public void m() {

    try {

      InetAddress addr = InetAddress.getByName("nowjava.com");

      byte[] ipAddr = addr.getAddress();


      // Convert to dot representation

      String ipAddrStr = "";

      for (int i = 0; i < ipAddr.length; i++) {

        if (i > 0) {

          ipAddrStr += ".";

        }