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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Which method do you use to access elements in an ArrayList?

  1. get(int index)

  2. access(int index)

  3. elementAt(int index)

  4. indexOf(Object o)

The correct answer is: get(int index)

The method used to access elements in an ArrayList is get(int index). Option A is correct because it is the actual method that is used to retrieve the element at the specified index in an ArrayList. Option B is incorrect because there is no method called access in the ArrayList class. Option C is incorrect because elementAt() is a method used for accessing elements in a Vector, not in an ArrayList. Option D is incorrect because indexOf() is used to find the index of a specified element, not to access an element.