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Oracle Discussions

Exam 1z0-809 topic 1 question 191 discussion

Actual exam question from Oracle's 1z0-809
Question #: 191
Topic #: 1
[All 1z0-809 Questions]

Given the code fragment:
Stream<Path> files = Files.list(Paths.get(System.getProperty("user.home"))); files.forEach (fName -> { //line n1 try {
Path aPath = fName.toAbsolutePath(); //line n2
System.out.println(fName + ":"
+ Files.readAttributes(aPath, Basic.File.Attributes.class).creationTime
());
} catch (IOException ex) {
ex.printStackTrace();
});
What is the result?

  • A. All files and directories under the home directory are listed along with their attributes.
  • B. A compilation error occurs at line n1.
  • C. The files and folders in the home directory are listed along with their attributes.
  • D. A compilation error occurs at line n2.
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️
by jduarte at Jan. 29, 2021, 6:18 p.m.

Comments

Chosen Answer:
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steefaand
2 months, 2 weeks ago
Selected Answer: C
C is correct assuming typos.
upvoted 1 times
...
petetsai
2 years, 3 months ago
Basic package dosen't exsist... readAttributes will fail to compile.
upvoted 1 times
WilsonKKerll
2 years, 1 month ago
import java.nio.file.attribute.BasicFileAttributes;
upvoted 1 times
...
...
Huim
2 years, 11 months ago
What's the difference between A and C?
upvoted 1 times
Svetleto13
2 years, 10 months ago
They are 2 similar questions use walk() and list() methods.We use list() in this one and thats why answer is C.The main difference between walk() and list is that list(dir) gives a stream of files in the directory dir , while walk() method walk the subtree of its argument including the root of subtree—the directory itself.I hope this is useful.
upvoted 7 times
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jduarte
3 years, 2 months ago
A is correct.
upvoted 2 times
...

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C (25%)
B (20%)
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