teration
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
![```java
int nums[] = {7,2,5,6,7,2,3,4,6};
int location = -1;
int iterations = 0;
for (int i=0; i<nums.length; i++) {
if (nums[i] == 2) location=i;
iterations++;
}
System.out.println(location);
System.out.println(iterations);
```
**Explanation of Code:**
- The array `nums` contains the elements {7,2,5,6,7,2,3,4,6}.
- The variable `location` is initially set to -1 and is used to store the index of the last occurrence of the value 2 in the array.
- The variable `iterations` is initialized to 0 and counts the total number of iterations in the loop.
- The `for` loop iterates over each element of the `nums` array.
- Inside the loop, an `if` statement checks if the current element is equal to 2.
- If true, `location` is updated to the current index `i`.
- `iterations` is incremented in each loop iteration to count how many times the loop has run.
- After the loop completes, `location` and `iterations` are printed.
**Output:**
- The printed value of `location` is 5, which is the index of the last occurrence of the value 2 in the array.
- The printed value of `iterations` is 9, which is the total number of elements in the array.
**Questions and Answers:**
- What is the value of `location` when it is printed? **5**
- What is the value of `iterations` when it is printed? **9**](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fef8944c1-efd3-4b85-a18e-90880dd3e09b%2F60401a19-4e00-47f3-b0e7-da63c305468f%2Ff15nkog_processed.png&w=3840&q=75)
Transcribed Image Text:```java
int nums[] = {7,2,5,6,7,2,3,4,6};
int location = -1;
int iterations = 0;
for (int i=0; i<nums.length; i++) {
if (nums[i] == 2) location=i;
iterations++;
}
System.out.println(location);
System.out.println(iterations);
```
**Explanation of Code:**
- The array `nums` contains the elements {7,2,5,6,7,2,3,4,6}.
- The variable `location` is initially set to -1 and is used to store the index of the last occurrence of the value 2 in the array.
- The variable `iterations` is initialized to 0 and counts the total number of iterations in the loop.
- The `for` loop iterates over each element of the `nums` array.
- Inside the loop, an `if` statement checks if the current element is equal to 2.
- If true, `location` is updated to the current index `i`.
- `iterations` is incremented in each loop iteration to count how many times the loop has run.
- After the loop completes, `location` and `iterations` are printed.
**Output:**
- The printed value of `location` is 5, which is the index of the last occurrence of the value 2 in the array.
- The printed value of `iterations` is 9, which is the total number of elements in the array.
**Questions and Answers:**
- What is the value of `location` when it is printed? **5**
- What is the value of `iterations` when it is printed? **9**
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