I’m studying switch expression, and I’d like to know how to pass control to the invoker method because “yield” just exits from the switch expression. I can’t find any way to make it behave like the classic switch statement.
Is it even possible?
UPDATE: Here’s a little piece of code.
public static boolean isTimeToParty(DayOfWeek day) { boolean isParty = switch (day) { case MONDAY -> false; case TUESDAY -> { yield false; //return not allowed } case WEDNESDAY -> false; case THURSDAY -> false; case FRIDAY -> false; case SATURDAY -> true; case SUNDAY -> true; }; return isParty; }
What I mean is: How to avoid assigning value to a variable and then calling return [variable_name]? I would like to return value and exit switch at the same time.
Thanks in advance
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Answer
As you cannot use return
or break
within the switch, it would be easier in your case to simplify with return switch ...
directly:
public static boolean isTimeToParty(DayOfWeek day) { return switch (day) { case SATURDAY, SUNDAY -> true; default -> false; }; }