From 6d8f6b80e9bf6670f73e9ce6e9757cf0a38580be Mon Sep 17 00:00:00 2001 From: mo Date: Sat, 13 Jul 2019 16:00:56 -0600 Subject: validate day overflow --- src/Q6/WeekDay.java | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'src/Q6/WeekDay.java') diff --git a/src/Q6/WeekDay.java b/src/Q6/WeekDay.java index 08233b0..31d90b4 100644 --- a/src/Q6/WeekDay.java +++ b/src/Q6/WeekDay.java @@ -8,6 +8,7 @@ public class WeekDay { private static final int[] MONTHS = new int[] {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; public String getWeekDay(int day, int month, int year) { + this.ensureValidDate(year, month, day); return DAYS[daysSinceEpoch(day, month, year) % 7]; } @@ -32,6 +33,10 @@ public class WeekDay { return MONTHS[month - 1]; } + private void ensureValidDate(int year, int month, int day) { + if (day > MONTHS[month - 1]) throw new IllegalArgumentException(); + } + public static void main(String[] args) { Scanner in = new Scanner(System.in); -- cgit v1.2.3