public static int check ( char x ) {
  if ( x == 'a' || x == 'e' || x == 'i' || x == 'o' || x == 'u' || x == 'y' ) return 1 ;
  return 0 ;
}

public static int check ( char x ) { if ( x == ' a ' || x == ' e ' || x == ' i ' || x == ' o ' || x == ' u ' || x == ' y ' ) return 1 ; return 0 ; }
(method_declaration (modifiers) type: (integral_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: (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))) right: (binary_expression left: (identifier) right: (character_literal)))) consequence: (return_statement (decimal_integer_literal))) (return_statement (decimal_integer_literal))))