import java.io.*;

public class GetMac { // Get MAC Address function
public static void main(String[] args) {
try {


Process process = Runtime.getRuntime().exec("nbtstat -a computername");
InputStreamReader ir = new InputStreamReader(process
.getInputStream());
LineNumberReader input = new LineNumberReader(ir);
String line;
while ((line = input.readLine()) != null)
if (line.indexOf("MAC Address")> 0) {
String MACAddr =line.substring(line.indexOf("-") -2);
System.out.println("MAC address = [" + MACAddr+ "]");
System.out.println(MACAddr);
}
} catch (java.io.IOException e) {
System.err.println("IOException " + e.getMessage());
}
}
}