try  
{
System.out.println(InetAddress.getLocalHost().toString());
}  
catch (UnknownHostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

try  
{
System.out.println(InetAddress.getLocalHost().toString());
}  
catch (UnknownHostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}