protected static boolean isVowel(final char c){
  final char l=Character.toLowerCase(c);
  return ((l == 'a') || (l == 'e') || (l == 'i')|| (l == 'o')|| (l == 'u'));
}

protected static boolean isVowel ( final char c ) { final char l = Character . toLowerCase ( c ) ; return ( ( l == 'a' ) || ( l == 'e' ) || ( l == 'i' ) || ( l == 'o' ) || ( l == 'u' ) ) ; }
is the character a vowel ?
