Mastering Java: The Ultimate Quiz for 'Thinking in Java'

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Dive into the depths of Java with our quiz based on "Thinking in Java, Fourth Edition" by Bruce Eckel. Test your knowledge, solidify concepts, and prepare for certification with challenging questions and insightful feedback.

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Which method on Delayed interface tells how long until the delay expires?

  1. getDelay(TimeUnit unit)

  2. expire()

  3. remainingDelay()

  4. delay()

The correct answer is: getDelay(TimeUnit unit)

The getDelay(TimeUnit unit) method retrieves the delay time in the given time unit until the delay expires. Option B, expire(), does not exist in the Delayed interface. Option C, remainingDelay(), returns the remaining delay time in the given time unit, not the total delay time until expiration. Option D, delay(), is a constructor method and does not return the delay time.

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