Exam 1z0-829 topic 1 question 3 discussion

Actual exam question from Oracle's 1z0-829

Question #: 3
Topic #: 1

Daylight Saving Time (DST) is the practice of advancing clocks at the start of spring by one hour and adjusting them backward by one hour in autumn.
Considering that in 2021, DST in Chicago (Illinois) ended on November 7th at 2 AM, and given the fragment:

What is the output?

A. true
true
B. false
true
C. true
false
D. false
false

Show Suggested Answer

Suggested Answer: C 🗳️

by gavishnu at Jan. 16, 2024, 3:28 p.m.

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ASPushkin

3 months ago

Selected Answer: C

The current date is November 7th time is 1:30 am November 7th 2am is a DST winter time ZonedDateTime zdt = ZonedDateTime.of( LocalDate.of(2021, 11, 7), LocalTime.of(1, 30), zoneId ); ZonedDateTime anHourLater = zdt.plusHours(1); means transition to DST winter zone and setting clocks back to one hour

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Uteman

1 year ago

C is the correct answer

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xplorerpj

1 year ago

C is the correct answer //zdt : 2021-11-07T01:30-05:00[America/Chicago] //anHourLater : 2021-11-07T01:30-06:00[America/Chicago] //zdt.Offset : -05:00 //anHourLater.Offset: -06:00

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minhdev

1 year, 2 months ago

C is correct answer

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minhdev

1 year, 2 months ago

On Now, 1:30 + 1 = 1:30 in the difference timezone

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james2033

1 year, 4 months ago

Selected Answer: C

package q03; import java.time.LocalDate; import java.time.LocalTime; import java.time.ZoneId; import java.time.ZonedDateTime; public class Q03 { public static void main(String[] args) { ZoneId zoneId = ZoneId.of("America/Chicago"); ZonedDateTime zdt = ZonedDateTime.of( LocalDate.of(2021, 11, 7), LocalTime.of(1, 30), zoneId ); ZonedDateTime anHourLater = zdt.plusHours(1); System.out.println(zdt.getHour() == anHourLater.getHour()); System.out.print(zdt.getOffset().equals(anHourLater.getOffset())); } } // Result: // true // false

upvoted 2 times

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