@Nullable private static Deadline min(@Nullable Deadline deadline0, @Nullable Deadline deadline1) { if (deadline0 == null) { return deadline1; } if (deadline1 == null) { return deadline0; } return deadline0.minimum(deadline1); }
@Nullable private static Deadline min(@Nullable Deadline deadline0, @Nullable Deadline deadline1) { if (deadline0 == null) { return deadline1; } if (deadline1 == null) { return deadline0; } return deadline0.minimum(deadline1); }