자바 이 컴퓨터 MAC 주소 가 져 오기

import java.net.InetAddress;

import java.net.NetworkInterface;

import java.net.SocketException;

import java.net.UnknownHostException;

 
/*
  
 *      48 ，  ipv6   
  
 */
  
public class LOCALMAC {
  
 
	/**
  
	 * @param args
  
	 * @throws UnknownHostException 
  
	 * @throws SocketException 
  
	 */
  
	public static void main(String[] args) throws UnknownHostException, SocketException {
  
		// TODO Auto-generated method stub
  
		
  
		//  IP，  PC-201309011313/122.206.73.83
  
		InetAddress ia = InetAddress.getLocalHost();
  
		System.out.println(ia);
  
		getLocalMac(ia);
  
	}
  
 
	private static void getLocalMac(InetAddress ia) throws SocketException {
  
		// TODO Auto-generated method stub
  
		//    ，    
  
		byte[] mac = NetworkInterface.getByInetAddress(ia).getHardwareAddress();
  
		System.out.println("mac    ："+mac.length);
  
		StringBuffer sb = new StringBuffer("");
  
		for(int i=0; i<mac.length; i++) {
  
			if(i!=0) {
  
				sb.append("-");
  
			}
  
			//       
  
			int temp = mac[i]&0xff;
  
			String str = Integer.toHexString(temp);
  
			System.out.println(" 8 :"+str);
  
			if(str.length()==1) {
  
				sb.append("0"+str);
  
			}else {
  
				sb.append(str);
  
			}
  
		}
  
		System.out.println("  MAC  :"+sb.toString().toUpperCase());
  
	}
  
}
  
        실행 결 과 는 다음 과 같 습 니 다.
PC-201309011313/122.206.73.83
  
mac    ：6
  
 8 :d0
  
 8 :27
  
 8 :88
  
 8 :1f
  
 8 :89
  
 8 :51
  
  MAC  :D0-27-88-1F-89-51