ExamTopics Logo
Mail Us[email protected]
Menu
Oracle Discussions
exam questions

Exam 1z0-809 All Questions

View all questions & answers for the 1z0-809 exam
Go to Exam

Exam 1z0-809 topic 1 question 175 discussion

Actual exam question from Oracle's 1z0-809
Question #: 175
Topic #: 1
[All 1z0-809 Questions]

Given the code fragment:
Map<Integer, String> books = new TreeMap<>();
books.put (1007, "A");
books.put (1002, "C");
books.put (1003, "B");
books.put (1003, "B");
System.out.println (books);
What is the result?

  • A. {1007=A, 1003=B, 1002=C}
  • B. {1007=A, 1003=B, 1003=B, 1002=C}
  • C. {1007=A, 1002=C, 1003=B, 1003=B}
  • D. {1002=C, 1003=B, 1007=A}
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️
by jduarte at Jan. 27, 2021, 7:44 p.m.

Comments

Chosen Answer:
This is a voting comment (?). It is better to Upvote an existing comment if you don't have anything to add.
Switch to a voting comment New
Submit Cancel
steefaand
10 months, 3 weeks ago
Selected Answer: D
D is true as TreeMap sorts in natural order by key. Also if last line of insertion was replaced by books.put (1003, "D"); then that would be printed.
upvoted 1 times
...
duydn
1 year, 3 months ago
Selected Answer: D
D is correct, TreeMap sort by natural : key
upvoted 1 times
...
jduarte
3 years, 11 months ago
Answer D, tester
upvoted 3 times
...
Community vote distribution
A (35%)
C (25%)
B (20%)
Other
Most Voted
A voting comment increases the vote count for the chosen answer by one.

Upvoting a comment with a selected answer will also increase the vote count towards that answer by one. So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.

SaveCancel