class CharacterPrinter {
              static void printCharactersBetween(char startChar, char endChar) {
                 if (startChar > endChar) {
                     char temp = startChar;
                     startChar = endChar;
                     endChar = temp;
                 }
         
                 for (char ch = startChar; ch < endChar; ch++) {
                     System.out.print(ch + " ");
                 }
                 System.out.println(endChar); 
             }
         
             public static void main(String[] args) {
                 char startChar = 'A';
                 char endChar = 'F';
         
                 System.out.println("Characters between " + startChar + " and " + endChar + ":");
                 printCharactersBetween(startChar, endChar);
             }
         }