4. Given the following array declaration. What is the value stored at index 5 in a? а. 2 b. 5 с. 9 d. 16 int Ja = {2, 1, -2, 5, 16, 9):

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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**Question 4: Array Indexing Problem**

Given the following array declaration, what is the value stored at index 5 in `a`?

```cpp
int []a = {2, 1, -2, 5, 16, 9};
```

**Options:**

a. 2  
b. 5  
c. 9  
d. 16  

**Explanation:**

The array `a` is initialized with six integers: `{2, 1, -2, 5, 16, 9}`. Array indexing in most programming languages, including C++ and Java, starts at 0. Therefore, the indices and corresponding values in this array are:

- `a[0]` = 2
- `a[1]` = 1
- `a[2]` = -2
- `a[3]` = 5
- `a[4]` = 16
- `a[5]` = 9

To determine the value stored at index 5 in `a`, we look at `a[5]`, which is `9`.

Hence, the correct answer is:

c. 9
Transcribed Image Text:**Question 4: Array Indexing Problem** Given the following array declaration, what is the value stored at index 5 in `a`? ```cpp int []a = {2, 1, -2, 5, 16, 9}; ``` **Options:** a. 2 b. 5 c. 9 d. 16 **Explanation:** The array `a` is initialized with six integers: `{2, 1, -2, 5, 16, 9}`. Array indexing in most programming languages, including C++ and Java, starts at 0. Therefore, the indices and corresponding values in this array are: - `a[0]` = 2 - `a[1]` = 1 - `a[2]` = -2 - `a[3]` = 5 - `a[4]` = 16 - `a[5]` = 9 To determine the value stored at index 5 in `a`, we look at `a[5]`, which is `9`. Hence, the correct answer is: c. 9
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