import java.io.*;
   import java.util.Hashtable;

/**
 * A simple class for performing a "Caller ID"
 * (i.e., look up a person's name given their
 * phone number)
 *
 * This class illustrates the use of the Hashtable
 * class.
 *
 * @author  Prof. David Bernstein, James Madison University
 * @version 2.0 (Using type-safe generics)
 */
    public class CallerID
   {
   
    /**
     * The entry point of the program
     *
     * @param args  The command-line arguments
     */
       public static void main(String[] args)
      {
         BufferedReader                in;
         Hashtable<String, String>      names;       // v2.0
         String                        id, number;
      
         in = new BufferedReader(new InputStreamReader(System.in));
      
      // Construct a new Hashtable
         names = new Hashtable<String, String>();   // v2.0
      
      
      // Fill the Hashtable
         names.put("540-568-8746","Abzug, C.");
         names.put("540-568-1667","Adams, E.");
         names.put("540-568-1671","Bernstein, D.");
         names.put("540-568-2779","Cushman, P.");
         names.put("540-568-2745","Eltoweissy, M.");
         names.put("540-568-2529","Eskandarian, A.");
         names.put("540-568-2773","Fox, C.");
         names.put("540-568-6288","Grove, R.");
         names.put("540-568-2774","Harris, A.");
         names.put("540-568-8745","Heydari, H.");
         names.put("540-568-2772","Lane, M.");
         names.put("540-568-2727","Marchal, J.");
         names.put("540-568-2775","Mata-Toledo, R.");
         names.put("540-568-2777","Norton, M.");
         names.put("540-568-6305","Redwine, S.");
         names.put("540-568-2770","Reynolds, C.");
         names.put("540-568-8764","Tucker, R.");
      
      
      // Prompt the user to enter a phone number
      // and then display the appropriate name
         do {
         
            number = "";
            System.out.print("Phone Number: ");
         
            try {
               number = in.readLine();
            
               id = names.get(number);          // v2.0
            
               if (id != null) 
                  System.out.println(id);
            
            } 
                catch (IOException ioe) {
               
                  ioe.printStackTrace();
               }
         
         } while (!number.equals(""));
      
      
      }
   
   }