how to find MAC ID in windows using java

[jagantech]

package algorithm;

import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.UnknownHostException;

/**
*
* @author New Destiny
*/
public class mac {
public String macstr() throws UnknownHostException, SocketException
{

String sss="";
InetAddress address = InetAddress.getLocalHost();


NetworkInterface ni =NetworkInterface.getByInetAddress(address);
if (ni != null) {
byte[] mac = ni.getHardwareAddress();





if (mac != null) {




StringBuilder sb = new StringBuilder();
for (int i = 0; i < mac.length; i++) {

// System.out.format("%02X%s", mac[i], (i < mac.length - 1)?"_":""+" ");


sb.append(String.format("%02X%s", mac[i], (i < mac.length - 1)?"":""));






}



sss=sb.toString();


return sss;




}
}
return sss;


}

public static void main(String[] args)
{


mac macobj=new mac();
System.out.println("mac address:"+macobj.macstr());


}
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