
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question
![**Question:**
What does the array `arr` contain after the following code segment is executed? Show the content of the entire array for full credit.
```csharp
int[] arr = new int[8];
arr[1] = 3;
arr[3] = 11;
arr[7] = 5;
int x = arr[1] + 1;
arr[x] = 44;
arr[arr[7]] = 7;
```
**Explanation:**
- The code initializes an integer array `arr` with 8 elements, all initially set to 0.
- `arr[1] = 3;` sets the second element to 3.
- `arr[3] = 11;` sets the fourth element to 11.
- `arr[7] = 5;` sets the eighth element to 5.
- `int x = arr[1] + 1;` calculates `x` as `3 + 1`, which is 4. Therefore, `arr[x]` or `arr[4]` is set to 44.
- `arr[arr[7]] = 7;` uses the value at `arr[7]`, which is 5, to set `arr[5]` to 7.
**Final Array Content:**
`arr = [0, 3, 0, 11, 44, 7, 0, 5]`](https://content.bartleby.com/qna-images/question/55bde63a-e93f-47aa-b4b4-6bf144a23089/d6dc1c3f-c40b-462b-aa3a-7551a8b25a16/8g2vte_thumbnail.png)
Transcribed Image Text:**Question:**
What does the array `arr` contain after the following code segment is executed? Show the content of the entire array for full credit.
```csharp
int[] arr = new int[8];
arr[1] = 3;
arr[3] = 11;
arr[7] = 5;
int x = arr[1] + 1;
arr[x] = 44;
arr[arr[7]] = 7;
```
**Explanation:**
- The code initializes an integer array `arr` with 8 elements, all initially set to 0.
- `arr[1] = 3;` sets the second element to 3.
- `arr[3] = 11;` sets the fourth element to 11.
- `arr[7] = 5;` sets the eighth element to 5.
- `int x = arr[1] + 1;` calculates `x` as `3 + 1`, which is 4. Therefore, `arr[x]` or `arr[4]` is set to 44.
- `arr[arr[7]] = 7;` uses the value at `arr[7]`, which is 5, to set `arr[5]` to 7.
**Final Array Content:**
`arr = [0, 3, 0, 11, 44, 7, 0, 5]`
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