static StringTokenizer readLine ( ) throws IOException {
  return new StringTokenizer ( br . readLine ( ) ) ;
}

static StringTokenizer readLine ( ) throws IOException { return new StringTokenizer ( br . readLine ( ) ) ; }
(method_declaration (modifiers) type: (type_identifier) name: (identifier) parameters: (formal_parameters) (throws (type_identifier)) body: (block (return_statement (object_creation_expression type: (type_identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))))