Oracle Exam 1Z0-819 Topic 6 Question 64 Discussion

Actual exam question for Oracle's 1Z0-819 exam

Question #: 64
Topic #: 6

[All 1Z0-819 Questions]

Given:

var data = new ArrayList<>();

data.add(''Peter'');

data.add(30);

data.add(''Market Road'');

data.set(1, 25);

data.remove(2);

data.set(3, 1000L);

System.out.print(data);

What is the output?

A[Market Road, 1000]

B[Peter, 30, Market Road]

C[Peter, 25, null, 1000]

DAn exception is thrown at run time.

Show Suggested Answer

Suggested Answer: A

by Laurel at Jul 04, 2023, 03:59 AM

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Lottie

1 months ago

I bet the real answer is [Peter, 25, Market Road, Surprise!]. You know, just to keep us on our toes!

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Lili

1 months ago

C) [Peter, 25, null, 1000] has got to be the correct answer. I mean, who doesn't love a little null surprise in their Java collections?

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Matt

1 days ago

Well, let's see what the actual output is when we run the code.

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Tora

6 days ago

I'm not so sure about that. I think it might be B) [Peter, 30, Market Road].

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Buddy

7 days ago

Yeah, I agree. It's always interesting to see how Java handles null values in collections.

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Dana

8 days ago

I think you're right, C) [Peter, 25, null, 1000] seems like the correct output.

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Barbra

1 months ago

D) An exception is thrown at run time? Really? Clearly, the person who wrote this question needs to brush up on their ArrayList knowledge.

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Eugene

3 days ago

User 3: No, it should be B, with Peter, 30, Market Road in the output.

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Lillian

11 days ago

User 2: I think it might be C, with null in the output.

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Annice

18 days ago

User 1: It's definitely not D, there won't be an exception thrown.

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Stephanie

2 months ago

Hmm, let me think... [Peter, 25, 1000] sounds about right. I'm not going to fall for any trick questions today!

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Adolph

12 days ago

Oh, I see. So the correct output is [Peter, 25, null, 1000].

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Danica

15 days ago

No, it's actually [Peter, 25, null, 1000].

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Chau

1 months ago

I think the output is [Peter, 25, null, 1000].

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Jacki

2 months ago

The output should be [Peter, 25, 1000], since the list was modified according to the given operations.

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Sonia

5 hours ago

A) [Market Road, 1000]

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Nickolas

3 days ago

D) An exception is thrown at run time.

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Colene

27 days ago

C) [Peter, 25, null, 1000]

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Harley

1 months ago

B) [Peter, 30, Market Road]

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Temeka

1 months ago

A) [Market Road, 1000]

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Ilene

2 months ago

I'm not sure, but I think D) An exception is thrown at run time.

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Benedict

2 months ago

I believe the output will be [Peter, 30, Market Road].

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Nu

2 months ago

I think the output will be [Peter, 25, null, 1000].

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Annice

2 months ago

I'm not sure, but I think D) An exception is thrown at run time.

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Teri

2 months ago

I believe the output will be [Peter, 30, Market Road].

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Diane

2 months ago

I think the output will be [Peter, 25, null, 1000].

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