Correct answers in red, black is my attempted answer 1. How many array variables? Has not b created 30 spaces variables? Or does it mean it has a and b two variables. I don't really get difference between array variables and array objects. 2. How many array objects? Does it not start with i=1 to i <=5, in total of 5?
Correct answers in red, black is my attempted answer 1. How many array variables? Has not b created 30 spaces variables? Or does it mean it has a and b two variables. I don't really get difference between array variables and array objects. 2. How many array objects? Does it not start with i=1 to i <=5, in total of 5?
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
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Correct answers in red, black is my attempted answer
1. How many array variables? Has not b created 30 spaces variables? Or does it mean it has a and b two variables. I don't really get difference between array variables and array objects.
2. How many array objects? Does it not start with i=1 to i <=5, in total of 5?
![WINTER 2019 FINAL EXAM SHORT ANSWER Q14
I. The declaration int[ ] x;
- Creates a place for a reference to an array object, craatus meunory fov avray
[2] 14) Given the following code:
· But it doesn't create an array object to refer to.
2. The expression new int[7]
· Creates an array object, and gives a reference to it
int[] a;
int[] b = new int[30];
for (int i=1; i<=5; i++){
b = new int[i];
}
· But doesn't store that reference anywhere.
· Usually, you want to do both at the same time:
int[ ] x = new int[7]:
length
2
3
4
5
6
7
my
adas Nat stove auway
Covect
answa (wvong)
answer
How many array variables are created?
2
30
How many array objects are created?
6 5](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe0dd0615-5392-46ed-af9f-2afbe8658b62%2F1c3cb5c3-3050-4062-911f-16f3125e61ed%2Fzmasrvq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:WINTER 2019 FINAL EXAM SHORT ANSWER Q14
I. The declaration int[ ] x;
- Creates a place for a reference to an array object, craatus meunory fov avray
[2] 14) Given the following code:
· But it doesn't create an array object to refer to.
2. The expression new int[7]
· Creates an array object, and gives a reference to it
int[] a;
int[] b = new int[30];
for (int i=1; i<=5; i++){
b = new int[i];
}
· But doesn't store that reference anywhere.
· Usually, you want to do both at the same time:
int[ ] x = new int[7]:
length
2
3
4
5
6
7
my
adas Nat stove auway
Covect
answa (wvong)
answer
How many array variables are created?
2
30
How many array objects are created?
6 5
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