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Exam 1z0-829 topic 1 question 48 discussion

Actual exam question from Oracle's 1z0-829
Question #: 48
Topic #: 1
[All 1z0-829 Questions]

Given the code fragment:

Which action sorts the book list?

  • A. At Line n2, replace books.sort() with books.stream().sort().
  • B. At Line n1, convert books type to mutable ArrayList type.
  • C. At Line n2, replace compareTo() with compare().
  • D. At Line n1, convert books type to mutable array type.
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Suggested Answer: B 🗳️
by xplorerpj at June 25, 2024, 7:19 p.m.

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SrinivasJasti
3 months, 2 weeks ago
Selected Answer: B
Since List.of() creates an immutable list, changing it to a mutable list -->. List<Book> books = new ArrayList<>(List.of( new Book("A1", "T1"), new Book("A2", "T2"), new Book("A1", "T2") ));
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xplorerpj
9 months, 4 weeks ago
Selected Answer: B
B is correct answer. List is immutable
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