import java.io.*;

public class UseLetterQueue {

    public static void lettersShortRecipient(LetterQueue q, int len, String f) {

      try {
         PrintWriter fileout = new PrintWriter(f);   // this thing works exactly like System.out
                                                     // just that what you print in it will end
                                                     // in file f instead of the terminal

         int list[] = q.shortLetters(len);           // this call will return an array of letter
                                                     // indices

         // now for each index in list[], I will call q.letter(..) to get the message
         // and then print the message to my PrintWriter fileout

         int i;
         for (i = 0; i < list.length; i++) {
               String msg = q.letter(list[i]);
               fileout.println(msg);
         }

         fileout.close();

       } catch (Exception e) {
           System.out.println("something's wrong");
       }
    } 


    public static void main(String a[]) {
    try {
     LetterQueue q = new LetterQueue("Bolzano", 100);
     q.newLetter("Bersan: hello!");
     q.newLetter("Foruzan: dont know and dont know why");
     q.newLetter("Shogofa: bolzano is a green city and it is very cold!");
     q.newLetter("Lecha: let's party like there was no today :-)");
     q.newLetter("Khuseyn: good bye");
     q.newLetter("Albert: big mountains big seas");
     lettersShortRecipient(q, 20, "shortmessages.txt");
     
     } catch (Exception e) {
         System.out.println("got an exception while calling my letter methods...");
     }

    }

}