Given the code fragment: Duration duration = Duration.ofMillis(5000); System.out.println(duration); duration = Duration.ofSeconds(60); System.out.println(duration); Period period = Period.ofDays(6)…

The correct answer is B. PT5000PT60MP6D. Option B is correct because Java's Duration.toString() uses ISO-8601 format with the PT prefix (Period of Time), so Duration.ofMillis(5000) outputs PT5S (5000ms normalizes to 5 seconds) and Duration.ofSeconds(60) outputs PT60S - Duration does not automatically convert 60…

Handling date, time, text, numeric and boolean values

Question

Given the code fragment:
Duration duration = Duration.ofMillis(5000);
System.out.println(duration);
duration = Duration.ofSeconds(60);
System.out.println(duration);
Period period = Period.ofDays(6);
System.out.println(period);
What is the result?

Options

A$$SIM6D
BPT5000PT60MP6D
CPT5S0MP6D
DS000S60M6D

How the community answered

(28 responses)

A
7% (2)
B
71% (20)
C
18% (5)
D
4% (1)

Explanation

Option B is correct because Java's Duration.toString() uses ISO-8601 format with the PT prefix (Period of Time), so Duration.ofMillis(5000) outputs PT5S (5000ms normalizes to 5 seconds) and Duration.ofSeconds(60) outputs PT60S - Duration does not automatically convert 60 seconds to PT1M; it retains the unit as given. Period.toString() uses the P prefix (without T) for date-based values, so Period.ofDays(6) outputs P6D.

Option A ($$SIM6D) is nonsensical - no Java date/time class produces $ or SIM tokens. Option C (PT5S0MP6D) incorrectly merges the two Duration outputs into a single garbled string and loses the PT60S line. Option D (S000S60M6D) omits the required P/PT ISO-8601 prefixes entirely.

Memory tip: Think PT = Period of Time (for Duration, which measures time) and P alone = Period (for Period, which measures dates). The T in PT is your signal that seconds/minutes/hours are involved.

Topics

#Duration#Period#Date-Time API#ISO-8601 formatting

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