/**
* KXT101 Prac Test 2
*
* Discovering the secret letter
*
* PracTest2.java
*
* @author Matthew Bishop
* @version 24 April 2010
* purpose: 
*   allow the user to enter words and check to
*   see if those words contain a secret letter
*
*/

import java.util.Scanner;
public class PracTest2
{
  public static void main(String[] args)
  {
    // the secret letter to match user input against 
    final char SECRET_LETTER = 'r';

    // the word which the user enters 
    String word = "";

    // a scanner to capture the user input
    Scanner scan = new Scanner(System.in);

    // the loop which allows the user to enter a series
    // of words until he or she types 'stop'
    while (!word.equalsIgnoreCase("stop"))
    {
      if (word.equals(""))
      {
        System.out.println(
          "Hello, this program checks a word for a secret letter \n");
        System.out.println("enter your word, stop to end.");
      }
      else
      {
        System.out.println("enter next word, stop to end.");
      }
      word = scan.next();

      // only for debugging
      // System.out.println("your word is:" + word);

      scan.nextLine();

      // tell the user if their word contains the secret
      // letter, or if the user has typed 'stop' dont print
      // any message.
      if (!word.equalsIgnoreCase("stop"))
      {
        if (word.indexOf(SECRET_LETTER) == -1)
        {
          System.out.println(
            "Your guess does not contain the secret letter");
        }
        else
        {
          System.out.println(
            "Your guess contains the secret letter");
        }
      }
    }
    scan.close();
  }
}