1. Consider the following instance variable and method: private int [] numbers; public void mystery (int x) for (int k - 1; k < numbers.length; k - k + x) numbers (k] - numbers(k - 1] + x; Assume that numbers has been initialized with the following values. (17, 34, 21, 42, 15, 69, 48, 25, 39} Which of the following represents the order of the values in numbers as a result of the call mystery (3)? А. (17, 20, 21, 42, 45, 69, 48, 51, 39) B. (17, 20, 23, 26, 29, 32, 35, 38, 41} C. (17, 37, 21, 42, 18, 69, 48, 28, 39} D. (20, 23, 21, 42, 45, 69, 51, 54, 39} E. (20, 34, 21, 45, 15, 69, 51, 25, 39}
1. Consider the following instance variable and method: private int [] numbers; public void mystery (int x) for (int k - 1; k < numbers.length; k - k + x) numbers (k] - numbers(k - 1] + x; Assume that numbers has been initialized with the following values. (17, 34, 21, 42, 15, 69, 48, 25, 39} Which of the following represents the order of the values in numbers as a result of the call mystery (3)? А. (17, 20, 21, 42, 45, 69, 48, 51, 39) B. (17, 20, 23, 26, 29, 32, 35, 38, 41} C. (17, 37, 21, 42, 18, 69, 48, 28, 39} D. (20, 23, 21, 42, 45, 69, 51, 54, 39} E. (20, 34, 21, 45, 15, 69, 51, 25, 39}
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
![1. Consider the following instance variable and method:
private int[] numbers;
public void mystery (int x)
for (int k = 1; k < numbers.length; k = k + x)
numbers [k] - numbers [k - 1] + x;
Assume that numbers has been initialized with the following values.
{17, 34, 21, 42, 15, 69, 48, 25, 39}
Which of the following represents the order of the values in numbers as a result of the call
mystery (3)?
A. (17, 20, 21, 42, 45, 69, 48, 51, 39}
B. (17, 20, 23, 26, 29, 32, 35, 38, 41}
C. (17, 37, 21, 42, 18, 69, 48, 28, 39}
D. (20, 23, 21, 42, 45, 69, 51, 54, 39}
E. (20, 34, 21, 45, 15, 69, 51, 25, 39}
Circle one: CORRECT
or
INCORRECT
If INCORRECT: What do you understand now that you didn't when you were answering this
question? (Or, what do you still not understand?)
2. Consider the following method, biggest, which is intended to return the greatest of three
integers. It does not always work as intended.
public static int biggest (int a, int b, int c)
if ((a > b) && (a > c) )
return a;
else if ((b > a) && (b > c))
return b;
else
return c;
Which of the following best describes the error in the method?
A. biggest may always return the value of a.
B. biggest may not work correctly when c has the greatest value.
C. biggest may not work correctly when a and b have equal values.
D. biggest may not work correctly when a and c have equal values.
E. biggest may not work correctly when b and c have equal values.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F32f8e8cc-ebb5-40be-bdab-d283b8a6a88b%2F7dd56262-0c6b-4158-b822-fd6a6217fba4%2Fiq3m9pd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. Consider the following instance variable and method:
private int[] numbers;
public void mystery (int x)
for (int k = 1; k < numbers.length; k = k + x)
numbers [k] - numbers [k - 1] + x;
Assume that numbers has been initialized with the following values.
{17, 34, 21, 42, 15, 69, 48, 25, 39}
Which of the following represents the order of the values in numbers as a result of the call
mystery (3)?
A. (17, 20, 21, 42, 45, 69, 48, 51, 39}
B. (17, 20, 23, 26, 29, 32, 35, 38, 41}
C. (17, 37, 21, 42, 18, 69, 48, 28, 39}
D. (20, 23, 21, 42, 45, 69, 51, 54, 39}
E. (20, 34, 21, 45, 15, 69, 51, 25, 39}
Circle one: CORRECT
or
INCORRECT
If INCORRECT: What do you understand now that you didn't when you were answering this
question? (Or, what do you still not understand?)
2. Consider the following method, biggest, which is intended to return the greatest of three
integers. It does not always work as intended.
public static int biggest (int a, int b, int c)
if ((a > b) && (a > c) )
return a;
else if ((b > a) && (b > c))
return b;
else
return c;
Which of the following best describes the error in the method?
A. biggest may always return the value of a.
B. biggest may not work correctly when c has the greatest value.
C. biggest may not work correctly when a and b have equal values.
D. biggest may not work correctly when a and c have equal values.
E. biggest may not work correctly when b and c have equal values.
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