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8327167: Clarify the handling of Leap year by Calendar

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Reviewed-by: bpb, joehw, lancea, jlu, iris, rriggs
This commit is contained in:
Naoto Sato 2024-03-08 18:38:39 +00:00
parent 6efdaf8ddf
commit 87b40c6ad2
1 changed files with 4 additions and 2 deletions
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src/java.base/share/classes/java/util/Calendar.java
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@ -1,5 +1,5 @@
/* /*
* Copyright (c) 1996, 2023, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 1996, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -282,7 +282,9 @@ import sun.util.spi.CalendarProvider;
* {@code DAY_OF_MONTH} to 30, the closest possible value. Although * {@code DAY_OF_MONTH} to 30, the closest possible value. Although
* it is a smaller field, {@code DAY_OF_WEEK} is not adjusted by * it is a smaller field, {@code DAY_OF_WEEK} is not adjusted by
* rule 2, since it is expected to change when the month changes in a * rule 2, since it is expected to change when the month changes in a
* {@code GregorianCalendar}.</p> * {@code GregorianCalendar}. In leap years, the adjustment accounts
* for the leap day in February to ensure the day of month is valid
* for the year.</p>
* *
* <p><strong>{@code roll(f, delta)}</strong> adds * <p><strong>{@code roll(f, delta)}</strong> adds
* {@code delta} to field {@code f} without changing larger * {@code delta} to field {@code f} without changing larger