Assignment #86 and Letter at a Time

Code

    /// Name: Ali Kurland
    /// Period: 6
    /// Program Name: Letter at a Time
    /// File Name: LetterAtATime.java
    /// Date Finished: 10/27/15
    
    /// 1. The program runs and lists the characters, but then displays an "exception" message that the String index is out of the range.
    /// 2. The length of the string variable "box" is three characters. The last character is at position 2. 
    /// 3. The loop repeats as long as i < message.length() instead of i<= message.length() because as long as i is less than the message 
length, a character in any given position can be found, but when i is equal to the message length, there is no character in this position
 that can be returned because the final character of the message is in a position equal to one less than the message length.
    
    import java.util.Scanner;
    
    public class LetterAtATime
    {
      public static void main( String[] args )
      {
        Scanner kb = new Scanner(System.in);
    
        System.out.print("What is your message? ");
        String message = kb.nextLine();
    
        System.out.println("\nYour message is " + message.length() + " characters long.");
        System.out.println("The first character is at position 0 and is '" + message.charAt(0) + "'.");
        int lastpos = message.length() - 1;
        System.out.println("The last character is at position " + lastpos + " and is '" + message.charAt(lastpos) + "'.");
        System.out.println("\nHere are all the characters, one at a time:\n");
    
        for ( int i=0; i<message.length(); i++ )
        {
          System.out.println("\t" + i + " - '" + message.charAt(i) + "'");
        }
    
        int vowel_count = 0;
    
        for ( int i=0; i<message.length(); i++ )
        {
          char letter = message.charAt(i);
          if ( letter == 'a' || letter == 'A' || letter == 'e' || letter == 'E' || letter == 'i' || letter == 'I'|| letter == 'o' || letter == 'O'|| letter == 'u' || letter == 'U' )
          {
            vowel_count++;
          }
        }
    
        System.out.println("\nYour message contains " + vowel_count + " vowels. Isn't that interesting?");
    
      }
    }

Picture of the output

Assignment 86