static int productOfLastN_NodesUtil ( Node head ) {
  if ( n <= 0 ) return 0 ;
  prod = 1 ;
  productOfLastN_Nodes ( head ) ;
  return prod ;
}

static int productOfLastN_NodesUtil ( Node head ) { if ( n <= 0 ) return 0 ; prod = 1 ; productOfLastN_Nodes ( head ) ; return prod ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (return_statement (decimal_integer_literal))) (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier)))) (return_statement (identifier))))