static int convert0To5 ( int num ) {
  if ( num == 0 ) return 5 ;
  else return convert0To5Rec ( num ) ;
}

static int convert0To5 ( int num ) { if ( num == 0 ) return 5 ; else return convert0To5Rec ( num ) ; }
(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 (decimal_integer_literal)) alternative: (return_statement (method_invocation name: (identifier) arguments: (argument_list (identifier)))))))