import java.io.*;

public class Login implements Serializable {

     private String user;
     private transient String password;

     public Login() {}
 
     public Login (String u, String p) {
          user = u;
          password = p;
     }

     public void printout () {
         if (user != null) 
               System.out.println ("User name is: "+user);
         else 
               System.out.println ("User name not defined");

         if (password != null) 
               System.out.println ("Password is: "+password);
         else
               System.out.println ("Password not defined");
     }
}