static int sumDigits ( int no ) {
  return no == 0 ? 0 : no % 10 + sumDigits ( no / 10 ) ;
}

static int sumDigits ( int no ) { return no == 0 ? 0 : no % 10 + sumDigits ( no / 10 ) ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (return_statement (ternary_expression condition: (binary_expression left: (identifier) right: (decimal_integer_literal)) consequence: (decimal_integer_literal) alternative: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (method_invocation name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (decimal_integer_literal)))))))))