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Oracle 1Z0-829 Exam - Topic 4 Question 8 Discussion

Actual exam question for Oracle's 1Z0-829 exam
Question #: 8
Topic #: 4
[All 1Z0-829 Questions]

Assuming that the data, txt file exists and has the following content:

Text1

Text2

Text3

Given the code fragment:

What is the result?

Show Suggested Answer Hide Answer
Suggested Answer: D

The answer is D because the code fragment reads the file ''data.txt'' and collects all the lines in the file into a single string, separated by hyphens. Then, it prints the resulting string. Next, it attempts to read the fourth line in the file (index 3) and print it. However, since the file only has three lines, an IndexOutOfBoundsException is thrown.Reference:

Oracle Certified Professional: Java SE 17 Developer

Java SE 17 Developer

OCP Oracle Certified Professional Java SE 17 Developer Study Guide

Read contents of a file using Files class in Java


by Mollie at Dec 25, 2023, 01:29 PM

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Reed
4 months ago
Just to clarify, the file has three lines, correct?
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Hana
4 months ago
Option C seems unlikely, right?
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Lauran
4 months ago
Wait, are we sure about that? What if there's an error?
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Lettie
5 months ago
Definitely agree with that!
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Sheridan
5 months ago
I think the output will be option D.
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Kathrine
5 months ago
I'm leaning towards option A, but I can't quite remember how the line breaks are supposed to be handled in this context.
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Eun
5 months ago
I feel like option D might be the right answer since it seems to show the expected output format, but I can't recall if it includes all the lines.
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Katlyn
5 months ago
I remember a similar question where we had to deal with index issues. Could it be that an IndexOutOfBoundsException is thrown if it tries to access a non-existent line?
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Kristofer
6 months ago
I think the code is supposed to concatenate the lines from the file, but I'm not sure if it handles the line breaks correctly.
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Carmela
6 months ago
I'm a little lost on this one. The code fragment is throwing me off, and I'm not sure I fully understand what it's doing. I'll need to re-read the question and the code a few times to try to figure out the right answer.
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Kristofer
6 months ago
Hmm, I'm a bit unsure about this one. The code fragment is a bit confusing, and I'm not sure exactly what it's doing. I'll need to carefully read through the question and the code to figure out the right answer.
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Annice
6 months ago
This looks like a pretty straightforward question. I think I can handle this one - the code fragment seems to be reading lines from a file and printing them out, so the answer should be pretty clear.
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Lili
6 months ago
Okay, let me think this through step-by-step. The code is reading lines from a file and appending a "-" to each line, except for the last one. So the output should be the lines from the file, with the "-" added, and the last line printed without the "-". I think the answer is D.
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Tamar
6 months ago
Okay, I've got this. A VPC is a private, isolated cloud network, so the instances deployed within it would be virtual machines or VMIs. That makes the most sense to me.
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Corinne
6 months ago
Hmm, this seems like a tricky one. I'll need to think carefully about the different SOLR Core templates and how they impact index duplication.
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Lavonda
6 months ago
Right, I had a question on similar lines, and I picked true because it seems like a monitoring tool's job to track that kind of data.
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Mabel
6 months ago
Okay, let's see. The question mentions a prefix of 9 and a neighbor zone, so I'm guessing the "Source" field needs to be set to something that will prevent toll fraud no matter where the call is coming from.
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Fausto
6 months ago
Wait, is Widgets also a valid option here? I'm a bit confused about that one.
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