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  • Abstract Classes and Implementing Interfaces
  • Which of the following in collection classes in Java impl...
Multiple choice

Which of the following in collection classes in Java implements a set stored in a tree and also extends AbstractSet class?

  1. ArrayList

  2. TreeSet

  3. AbstractSet

  4. HashSet

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This class in collection classes in Java implements a set stored in a tree and also extends AbstractSet class.

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