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Exam 1z0-809 topic 1 question 77 discussion

Actual exam question from Oracle's 1z0-809
Question #: 77
Topic #: 1
[All 1z0-809 Questions]

Given that /green.txt and /colors/yellow.txt are accessible, and the code fragment:
Path source = Paths.get("/green.txt);
Path target = Paths.get("/colors/yellow.txt);
Files.move(source, target, StandardCopyOption.ATOMIC_MOVE);
Files.delete(source);
Which statement is true?

  • A. The green.txt file content is replaced by the yellow.txt file content and the yellow.txt file is deleted.
  • B. The yellow.txt file content is replaced by the green.txt file content and an exception is thrown.
  • C. The file green.txt is moved to the /colors directory.
  • D. A FileAlreadyExistsException is thrown at runtime.
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Suggested Answer: B 🗳️
by varconite at Dec. 6, 2020, 2:37 p.m.

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pul26
Highly Voted 4 years, 5 months ago
ATOMIC_MOVE prevents FileAlreadyExistsException to be thrown. delete method will cause an Exception since the file is already removed by the atomic move action. Answer is B
upvoted 10 times
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vidhuharu
Most Recent 7 months, 2 weeks ago
Selected Answer: D
Even with ATOMIC_MOVE, if the destination file (/colors/yellow.txt) exists and you haven’t provided REPLACE_EXISTING, a FileAlreadyExistsException will still be thrown
upvoted 1 times
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asdfjhfgjuaDCV
1 year, 2 months ago
B is the correct answer
upvoted 1 times
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steefaand
1 year, 3 months ago
Selected Answer: B
B since source file doesn't exist anymore.
upvoted 1 times
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GaelBernard
1 year, 9 months ago
Selected Answer: B
B tested Exception in thread "main" java.nio.file.NoSuchFileException: green.txt A FileAlreadyExistsException is thrown only if we remove the StandardCopyOption.ATOMIC_MOVE option.
upvoted 1 times
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Naponeon
3 years, 2 months ago
Selected Answer: B
Answer is B
upvoted 1 times
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Svetleto13
4 years ago
B,tested
upvoted 2 times
f8eddy
3 years, 8 months ago
Why not d?
upvoted 1 times
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varconite
4 years, 5 months ago
Answer is B
upvoted 3 times
...
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