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.

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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What does the method getChars() do?

  1. Returns a new char array of the string characters

  2. Copies characters into a specified array

  3. Counts the characters in a string

  4. Changes the characters' case

The correct answer is: Copies characters into a specified array

The correct answer is B because the method getChars() is used to copy characters from a string into a specified array. This is different from option A, which creates a new array, and option C, which counts the characters without copying them. Option D is also incorrect because getChars() does not modify the case of the characters.