j2se5.0 a new feature of Windows read the physical address of the network card

This example uses the j2se5.0 Processbuilder class to perform an external program, which is more convenient than the runtime.exec and can set environment variables. Package com.kuaff.jdk5package;

Import java.io.IOException;
Import Java.io.InputStream;
Import java.util.ArrayList;
Import java.util.List;

public class Processbuildershow
{
public static list<string> getphysicaladdress ()
{
Process p = null;
Physical network card list
list<string> address = new arraylist<string> ();

Try
{
Execute Ipconfig/all command
p = new Processbuilder ("ipconfig", "/all"). Start ();
}
catch (IOException E)
{
return address;
}
Byte[] B = new byte[1024];
StringBuffer sb = new StringBuffer ();
Reading process output values
InputStream in = P.getinputstream ();
Try
{
while (In.read (b) >0)
{
Sb.append (New String (b));
}
}
catch (IOException E1)
{
}
Finally
{
Try
{
In.close ();
}
catch (IOException E2)
{
}
}
The following analysis outputs the value, obtains the physical network card
String rtvalue = sb.substring (0);
int i = Rtvalue.indexof ("Physical address. ........:");
while (i>0)
{
Rtvalue = rtvalue.substring (i + "Physical address. ........:".length());
Address.add (rtvalue.substring (0,18));
i = Rtvalue.indexof ("Physical address. ........:");
}

return address;

}
public static void Main (string[] args)
{
list<string> address = processbuildershow.getphysicaladdress ();
for (String add:address)
{
System.out.printf ("Physical network card address:%s%n", add);
}
}
}