/** * @ClassName TestSocket1 * @Version 1.0 * @Date 2014-9-26 上午10:19:36 */public class TestSocket1 {	public static void main(String[] args) throws UnknownHostException {		String str = "";		Scanner scanner = new Scanner(System.in);		while (true) {			System.out.println("请输入需要查询的URL:");			str = scanner.nextLine().trim();			if (str.equalsIgnoreCase("exit")) {				System.out.println("程序退出");				break;			} else if (str.length() == 0) {				System.out.println("本机IP " + getLocalHost(str));			} else {				System.out.println(Arrays.toString(getWebHost(str).toArray()));			}		}	}	private static String getLocalHost(String url) throws UnknownHostException {		return InetAddress.getLocalHost().toString();	}	private static List<String> getWebHost(String url)			throws UnknownHostException {		List<String> res = new LinkedList<String>();		InetAddress[] address = InetAddress.getAllByName(url);		for (InetAddress inetaddress : address) {			res.add(inetaddress.getHostAddress());		}		return res;	}}