static long fact ( long n ) {
  if ( n >= 1 ) return n * fact ( n - 1 ) ;
  else return 1 ;
}

static long fact ( long n ) { if ( n >= 1 ) return n * fact ( n - 1 ) ; else return 1 ; }
(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: (identifier) right: (decimal_integer_literal))) consequence: (return_statement (binary_expression left: (identifier) right: (method_invocation name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (decimal_integer_literal)))))) alternative: (return_statement (decimal_integer_literal)))))