static void vowelOrConsonant ( char x ) {
  if ( x == 'a' || x == 'e' || x == 'i' || x == 'o' || x == 'u' ) System . out . println ( "Vowel" ) ;
  else System . out . println ( "Consonant" ) ;
}

static void vowelOrConsonant ( char x ) { if ( x == ' a ' || x == ' e ' || x == ' i ' || x == ' o ' || x == ' u ' ) System . out . println ( " Vowel " ) ; else System . out . println ( " Consonant " ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (character_literal)) right: (binary_expression left: (identifier) right: (character_literal))) right: (binary_expression left: (identifier) right: (character_literal))) right: (binary_expression left: (identifier) right: (character_literal))) right: (binary_expression left: (identifier) right: (character_literal)))) consequence: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))) alternative: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))))))