Do both with proper explanation
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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Question
Do both with proper explanation
![13) Consider the data field and method below. Assume that ArrayList nbrs initially contains the
following Integer values: [0, 0, 4, 2, 5, 0, 3, 0]. When nbrCheck is executed, what will be the
value of nbrs.get(k) when k-2?:
private ArrayList<Integer> nbra:
// precondition: nbrs.size() > 0:
// nors contains Integer objects
public void nbrCheck()
(
C
int k = 0:
Integer zero new Integer (0) :
while (k <nbrs.size())
if (nors.get(k).equals (zero))
nbra.renove (k);
A) O
B) 4
C) (0, 0, 4, 2,5, 0, 0, 0]
D) 3
E) 2
15) Consider the method below. What will be the output of the following line of code?
System.out.println(whathappens("RECEPTION"));
:*
public String whathappens (String s)
{
}
String s1= s.substring(0,1);
String s2 = s.substring(1, s.length() - 1);
String s3= s.substring(s.length() - 1);
if (s.length() <= 3)
return s3+ s2 + sl;
else
return s1+ whathappens (s2) + s3;
A) RECEPTION
B) RECTPEION
C) REPNIOCET
D) NOITPECER
E) RECETPION](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6355ee62-edca-4bd8-9866-c02d6a2973da%2F50640d8d-6738-4c40-9163-27b76bdc23e4%2F6r8lyo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:13) Consider the data field and method below. Assume that ArrayList nbrs initially contains the
following Integer values: [0, 0, 4, 2, 5, 0, 3, 0]. When nbrCheck is executed, what will be the
value of nbrs.get(k) when k-2?:
private ArrayList<Integer> nbra:
// precondition: nbrs.size() > 0:
// nors contains Integer objects
public void nbrCheck()
(
C
int k = 0:
Integer zero new Integer (0) :
while (k <nbrs.size())
if (nors.get(k).equals (zero))
nbra.renove (k);
A) O
B) 4
C) (0, 0, 4, 2,5, 0, 0, 0]
D) 3
E) 2
15) Consider the method below. What will be the output of the following line of code?
System.out.println(whathappens("RECEPTION"));
:*
public String whathappens (String s)
{
}
String s1= s.substring(0,1);
String s2 = s.substring(1, s.length() - 1);
String s3= s.substring(s.length() - 1);
if (s.length() <= 3)
return s3+ s2 + sl;
else
return s1+ whathappens (s2) + s3;
A) RECEPTION
B) RECTPEION
C) REPNIOCET
D) NOITPECER
E) RECETPION
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