Code in Java to Get Host name

import java.io;
import java.net;
public class GetHost{
public static void main(String args[])
{
try{
InetAddress addr=Inetaddress.getLocalHost();
byte[] ipaddr=addr.getAddress();
String hostName=addr.getHostname();
System.out.println("HostName="+hostName);
}
catch(UnknowHostException e)
{
}