Our textbook describes how to implement an array list using a dynamic array. The following code segment adds an element to an array list that is implemented using a dynamic array. But, the code segment has an error in the code. Which line has an errors? Choose one. 1 public void add(int i, E e) throws IndexOutOfBoundsException { 2 if (i < 0 || i >= n) 3 throw new IndexOutOfBoundsException("Illegal index: " + i); if (n == data.length) 5 resize(2* data.length); // double the capacity of array 6 for (int j=n-1;j>= i; j--) 7 datalj+1] = data[j]); 8 dataļi] = e; 9 n++; 10 } In the above code: • data [] is the array • i is the index of the location in the array where new element is added • e is the element to be added • n is the number of elements currently in the list • The resize method in line 5 doubles the size of the array data O a. Line 6 O b. Line 2 O. Line 4 O d. Line 7

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
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Subject: Java Programming

Question 2
Our textbook describes how to implement an array list using a dynamic array. The following code segment adds an element to an array list that is implemented using a dynamic array.
But, the code segment has an error in the code. Which line has an errors? Choose one.
1 public void add(int i, E e) throws IndexOutOfBoundsException {
2 if (i < 0 || i >= n)
throw new IndexOutOfBoundsException("lllegal index: " + i);
4 if (n == data.length)
resize(2 * data.length); // double the capacity of array
for (int j=n-1; j >= i; j--)
7
datalj+1] = data);
8 data[i] = e;
n++;
10 }
In the above code:
data [] is the array
• i is the index of the location in the array where new element is added
• e is the element to be added
• n is the number of elements currently in the list
• The resize method in line 5 doubles the size of the array data
O a. Line 6
O b. Line 2
O c. Line 4
O d. Line 7
Transcribed Image Text:Question 2 Our textbook describes how to implement an array list using a dynamic array. The following code segment adds an element to an array list that is implemented using a dynamic array. But, the code segment has an error in the code. Which line has an errors? Choose one. 1 public void add(int i, E e) throws IndexOutOfBoundsException { 2 if (i < 0 || i >= n) throw new IndexOutOfBoundsException("lllegal index: " + i); 4 if (n == data.length) resize(2 * data.length); // double the capacity of array for (int j=n-1; j >= i; j--) 7 datalj+1] = data); 8 data[i] = e; n++; 10 } In the above code: data [] is the array • i is the index of the location in the array where new element is added • e is the element to be added • n is the number of elements currently in the list • The resize method in line 5 doubles the size of the array data O a. Line 6 O b. Line 2 O c. Line 4 O d. Line 7
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