フリー問題

問題文

A message shows a fallback greeting when the first name is missing and the stored name when it is present. Which approach expresses that inline?

選択肢

1. Use the conditional function and nest the emptiness test inside it, so one inline section decides between the two strings.
2. Use the conditional statement and place the emptiness test after it, so one inline section evaluates each of the two branches.
3. Use the output function and pass the emptiness test to it, so one inline section prints the branch selected.
4. Use the loop keyword and put the emptiness test in its condition, so one inline section repeats until the value is found.