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

Actual exam question for Oracle's 1Z0-829 exam

Question #: 4
Topic #: 1

[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?

text1-

text2-

text3-

text3

text1-text2-text3

text1

text2

text3

text1-text2-text3

A java.lang.indexoutofBoundsException is thrown.

Dtext1-text2-text3
text3

Show Suggested 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 James at Nov 23, 2023, 06:59 PM

Limited Time Offer

25%

Off

Get Premium 1Z0-829 Questions as Interactive Web-Based Practice Test or PDF

Contribute your Thoughts:

Submit Cancel

Antonio

4 months ago

Surprised there's no exception thrown here!

upvoted 0 times

...

Ashanti

4 months ago

Definitely going with option B.

upvoted 0 times

...

Phung

4 months ago

Wait, is there a chance of an index out of bounds error?

upvoted 0 times

...

Eden

5 months ago

I think option D is correct!

upvoted 0 times

...

Beula

5 months ago

The file has three lines of text.

upvoted 0 times

...

Herman

5 months ago

I feel like option D is close, but I’m not confident about the formatting of the output.

upvoted 0 times

...

Brett

5 months ago

If I recall, the output should include all three lines, but I can't remember if it adds a separator.

upvoted 0 times

...

Basilia

5 months ago

I remember a similar question where we had to deal with index bounds. I hope that doesn't happen here!

upvoted 0 times

...

Eleonora

6 months ago

I think the code is trying to concatenate the lines, but I'm not sure if it handles the last line correctly.

upvoted 0 times

...

Leatha

6 months ago

Alright, I think I've got a good strategy here. I'll carefully trace the code step-by-step, making sure I understand what's happening at each point. That should help me identify the correct output.

upvoted 0 times

...

Lavonda

6 months ago

Okay, I think I've got this. The code is reading the contents of the text file and appending a "-" to each line. Then it's printing out the modified lines, followed by the original third line. I'll go with option D.

upvoted 0 times

...

Tennie

6 months ago

Hmm, this looks like a tricky one. I'll need to carefully read through the code and understand what it's doing before I can decide on the right answer.

upvoted 0 times

...

Luann

6 months ago

Wait, I'm a bit confused. Why is there an IndexOutOfBoundsException mentioned in one of the options? I better double-check the code and the file contents to make sure I'm not missing something.

upvoted 0 times

...

Brittani

6 months ago

Hmm, this looks like a tricky one. I'll need to carefully read through the options and think about the SSPR process to figure out the right answer.

upvoted 0 times

...

Marti

6 months ago

I've got a good understanding of Business Objects, so I feel confident I can pick the right answer here.

upvoted 0 times

...

Joanna

6 months ago

I'm a little confused on this one. Is TURN also an option? I know that's used for NAT traversal, but I'm not sure if it's used for connectivity verification as well.

upvoted 0 times

...