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Oracle

1Z0-829 · Question #13

1Z0-829 Question #13: Real Exam Question with Answer & Explanation

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Working with Arrays and Collections

Question

Given the code fragment: List lst = new ArrayList<>(); lst.add("e1"); lst.add("e3"); lst.add("e2"); int x1 = Collections.binarySearch(lst, "e3"); System.out.println(x1); Collections.sort(lst); int x2 = Collections.binarySearch(lst, "e3"); System.out.println(x2); Collections.reverse(lst); int x3 = Collections.binarySearch(lst, "e3"); System.out.println(x3); What is the result?

Options

  • A0
  • B2
  • C-2
  • D1
  • E-1

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Topics

#Collections.binarySearch#Collections.sort#sorted collections#preconditions
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