Pemrograman Jaringan Dengan Java (NsLookup)

Mengetahui alamat IP dari nama Komputer

Nama program NsLookup.java

import java.net.*;

public class NsLookup {

     public static void main(String args[]) {

     if(args.length == 0) {

System.out.println("Pemakaian: java NsLookup <hostname>");

     System.exit(0);

     }

     String host = args [0];

     InetAddress address = null;

     try {

     address = InetAddress.getByName(host);

     } catch (UnknownHostException e) {

     System.out.println("Unknow host");

     System.exit(0);

     }

     byte ip[] = address.getAddress();

     for (int i=0; i<ip.length;i++){

     if(i>0) System.out.print(".");

     System.out.print(ip[i] & 0Xff);

}

System.out.println();

}

}

Hasil Program :