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Oracle 1Z0-809 Exam - Topic 14 Question 65 Discussion

Actual exam question for Oracle's 1Z0-809 exam
Question #: 65
Topic #: 14
[All 1Z0-809 Questions]

Given the code fragment:

public static void main (String[] args) throws IOException {

BufferedReader brCopy = null;

try (BufferedReader br = new BufferedReader (new FileReader(''employee.txt''))) { //

line n1

br.lines().forEach(c -> System.out.println(c));

brCopy = br;//line n2

}

brCopy.ready(); //line n3;

}

Assume that the ready method of the BufferedReader, when called on a closed BufferedReader, throws an exception, and employee.txt is accessible and contains valid text.

What is the result?

Show Suggested Answer Hide Answer
Suggested Answer: D

by Carmelina at Jun 20, 2024, 06:10 PM

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Zack
3 months ago
Compilation error? Nah, it's definitely an exception at runtime.
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Marget
3 months ago
So, it prints the file and then fails? That's wild!
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Marnie
3 months ago
Wait, I thought brCopy would still be usable?
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Asuncion
4 months ago
Totally agree, line n3 will throw an exception!
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Romana
4 months ago
The BufferedReader is closed after the try block.
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Aron
4 months ago
I’m confused about line n1; I thought it might throw a compilation error, but now I’m leaning towards the exception at line n3 instead.
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Velda
4 months ago
I practiced a similar question, and I think the code will print the file contents before throwing an exception at line n3.
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Hubert
4 months ago
I’m not entirely sure, but I feel like line n2 might cause a compilation error since brCopy is assigned to a closed resource.
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Brock
5 months ago
I remember that the try-with-resources statement automatically closes the BufferedReader, so I think line n3 will throw an exception.
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Doyle
5 months ago
This seems like a tricky question that's testing our understanding of resource management and exception handling in Java. I'll need to carefully walk through the code and the given assumptions to determine the most likely outcome.
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Peter
5 months ago
I'm a bit confused here. The question says the ready() method throws an exception when called on a closed BufferedReader, but it's not clear to me why that would cause a compilation error. I'll need to double-check the Java language specifications on this.
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Von
5 months ago
Okay, let me think this through step-by-step. The code is using a try-with-resources block to open the BufferedReader, so it should be automatically closed at the end of the block. But then we're trying to use the brCopy reference after the block, which could be the issue.
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Tula
5 months ago
Hmm, this looks tricky. I'll need to carefully analyze the code and the given assumptions to determine the correct answer.
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Malcolm
5 months ago
I think the key here is understanding the behavior of the try-with-resources block and the lifecycle of the BufferedReader object. If the brCopy reference is still valid after the block, then the code should print the file contents and throw the exception at line n3. But if the brCopy reference is no longer valid, then I'd expect a compilation error at that line.
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Angelica
5 months ago
Okay, I think I've got this. The key is to use a command that can monitor authentications without actually controlling the port. I'm leaning towards option D.
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Melvin
5 months ago
Hmmm, I'm not entirely sure about the steps anymore. I remember there being something important about the Cisco Webex Administration Tool too.
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Shaun
5 months ago
Okay, I think I understand the connection here. The test design techniques we use will determine what needs to be included in the test basis checklist. I'll make sure to consider that when answering.
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Deangelo
10 months ago
Haha, this question is like a game of BufferedReader roulette! I think the answer is D, but I wouldn't be surprised if the exam gods throw us a curve ball. Gotta stay on our toes, folks!
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Edelmira
10 months ago
Whoa, this is a tricky one! My money's on D. The code will print the file and then throw an exception when we try to use the closed BufferedReader. Gotta love those try-with-resources blocks!
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Solange
8 months ago
Try-with-resources can be tricky sometimes, but it's a great feature in Java.
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Ines
8 months ago
Yeah, I agree. The code will print the file and then throw an exception at line n3.
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Temeka
9 months ago
I think you're right, D seems like the correct answer here.
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Emily
10 months ago
Haha, this question is a real brain-teaser! I'd say the answer is C. The code is trying to assign a closed BufferedReader to the brCopy variable, which should result in a compilation error.
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Frank
10 months ago
I think the answer is A. The ready() method is being called on a closed BufferedReader, so it should throw a compilation error at line n3.
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Carla
8 months ago
That makes sense. It's important to remember the behavior of methods when working with BufferedReader.
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Jolene
9 months ago
Yes, you're right. Calling ready() on a closed BufferedReader will indeed result in a compilation error at line n3.
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Barrett
9 months ago
I think the answer is A. The ready() method is being called on a closed BufferedReader, so it should throw a compilation error at line n3.
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Talia
9 months ago
I agree with you, it should be D. The code will print the content of the file before throwing an exception at line n3.
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Carissa
9 months ago
No, I believe the answer is D. The code will print the content of the employee.txt file and then throw an exception at line n3.
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Avery
10 months ago
I think the answer is A. The ready() method is being called on a closed BufferedReader, so it should throw a compilation error at line n3.
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Andree
10 months ago
The correct answer is D. The code will print the content of the employee.txt file and throw an exception at line n3. This is because the BufferedReader is closed at the end of the try-with-resources block, but we're still trying to call the ready() method on the brCopy reference, which will result in an exception.
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Teri
8 months ago
You're welcome!
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Kirk
9 months ago
Oh, I see. Thanks for clarifying.
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Bong
9 months ago
No, it's actually D. The code will print the content of the employee.txt file and throw an exception at line n3.
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Noel
10 months ago
I think the answer is A.
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Kanisha
11 months ago
Hmm, that makes sense too. Let's see what others think before making a final decision.
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Zana
11 months ago
I disagree, I believe the answer is D) because the code will print the content of the file before throwing an exception at line n3.
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Kanisha
11 months ago
I think the answer is A) because calling ready() on a closed BufferedReader will throw an exception.
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