Optional try

Question 1/6: Which of these are true about throwing functions?

Hint: Many people call ! the crash operator because it might crash your app, and it's no different with try!. Click to show.

• Option 1: When using try you must catch all errors that can be thrown.

  This is correct.

• Option 2: Functions that might throw errors must be marked throws?

  They must be marked throws.

Return to Review Menu