/****************************************************************
*   Developer: Max Jensen
*
*   Purpose of program: Slå en terning, som slår tal mellem 1-6,
*               hvis nr. 1 rammes, sluttes turen.
*
*****************************************************************/

import java.util.*;

public class Testing5_MaxJensen{

    public static void main(String[] args){

        System.out.println("Velkommen til terningspillet!\n");

        Scanner console = new Scanner(System.in);
        Random  r       = new Random(); // Benyttelsen af pseudorandom numre

        /**************************
        // Let's write some preconditions
        // To make sure we clearify it to be true.
        ***************************/

        response(console, "");

        public static int response(Scanner console, String prompt){


        int  sum    =  0;  // make sure we enter the loop
        int  roll1  =  r.nextInt(6) + 1;;

                System.out.print(prompt); // enter a string please

    while(!prompt.equalsIgnoreCase("yes") && prompt.equalsIgnoreCase("no")) { // De Morgan Law ..
            while(!console.hasNext()){

            console.next();
            System.out.println("Not a string! - please try again with letters");
            System.out.print("Yes or no ? ");
            System.out.print(prompt);
                        }

                } return console.next();
            }


        } // end of main
    }   // end of class