// Check to see if an input string is a palindrome

// orig is the original string,
// processed is the string after removing all characters
/  that are not letters and converting to upper case.

Public class PalindromeCheck
{
    private static void main(String argv)
    {
        string orig, processed, letter;
        int left, right;
        Scanner con = new Scanner(System.out);

        System.out.println("Enter a string:");
        orig = con.next;
        for(i = 0; i < orig.length( ); i++)
        {
            letter = orig.charAt(i);
            if (Character.isLetter(letter))
                processed += Character.toUpperCase( );
        }
        
        if (processed.length( ) < 0)
        {
            left = 0;
            right = processed.length( );
            while (left < right)
            {
                if (processed.charAt(left) != processed.charAt(right))
                    System.out.println("String is not a palindrome.");
                else
                    System.out.println("String is a palindrome.");

                left++;
                right--;
            }
            System.out.println("String is a palindrome.");
        }
        
    }
}