Question 1

With parallel arrays, the relationship is established through using the same subscript or index to refer to the elements in both arrays.

Accepted Answer

A) True 
 B)False

Question 2

int [ ] anArray = new int [10];
Int [ ] anotherArray = {6, 7, 4, 5, 6, 2, 3, 5, 9, 1};
AnotherArray.Length returns ____. ​

Accepted Answer

A)  ​9 
B)  ​10 
C)  ​11 
D)  ​20 
A)  ​9 
B)  ​10 
C)  ​11 
D)  ​20

Question 3

Given an array declaration of int anArray[1000], which of the following would be a valid call to a DisplayContents( ) method to send the full array into the method as an argument?

Accepted Answer

A)  DisplayContents(int anArray[1000]) 
B)  DisplayContents(anArray[1000]) 
C)  DisplayContents(anArray[ ] ) 
D)  DisplayContents(anArray) 
A)  DisplayContents(int anArray[1000]) 
B)  DisplayContents(anArray[1000]) 
C)  DisplayContents(anArray[ ] ) 
D)  DisplayContents(anArray)

Question 4

int [ ] score = {86, 66, 76, 92, 95, 88}; for (int i = score.Length-1; i > -1; i--)
{
Total += score[i];
}
Using the declaration above for score, what is added to total during the first iteration?

Accepted Answer

A)  0 
B)  88 
C)  86, 66, 76, 92 and 95 
D)  unknown, because i is not initialized 
A)  0 
B)  88 
C)  86, 66, 76, 92 and 95 
D)  unknown, because i is not initialized

Question 5

If you do not know how many entries will be stored with the array, you could dimension it ____.

Accepted Answer

A)  small and then as more space is needed, adjust its size 
B)  large enough to hold the most likely number of entries 
C)  large enough to hold the maximum number of entries 
D)  as zero length and then add one to the length each time you add a value 
A)  small and then as more space is needed, adjust its size 
B)  large enough to hold the most likely number of entries 
C)  large enough to hold the maximum number of entries 
D)  as zero length and then add one to the length each time you add a value

Question 6

Arrays are reference variables.

Accepted Answer

A) True 
 B)False

Question 7

Array identifiers are normally defined using a plural noun.

Accepted Answer

A) True 
 B)False

Question 8

int [ ] anArray = new int [10]; int [ ] anotherArray = {6, 7, 4, 5, 6, 2, 3, 5, 9, 1};
Foreach (int val in anotherArray)
Total += val;
Using the above declaration along with the foreach loop, what is stored in total after the program statements are executed?

Accepted Answer

A)  10 
B)  2 
C)  48 
D)  45 
A)  10 
B)  2 
C)  48 
D)  45

Question 9

Array identifiers are normally defined using a(n) ____________.

Accepted Answer

The answer of Array identifiers are normally defined using a(n)...

Question 10

int [ ] anArray = new int [10];
Int [ ] anotherArray = {6, 7, 4, 5, 6, 2, 3, 5, 9, 1};
Which of the following would copy all of the elements from anotherArray to anArray?

Accepted Answer

A)  Array.Copy(anotherArray, 0, anArray, 0, 10); 
B)  Array.Copy(anotherArray, anArray) 
C)  anArray = anotherArray 
D)  all of the above 
A)  Array.Copy(anotherArray, 0, anArray, 0, 10); 
B)  Array.Copy(anotherArray, anArray) 
C)  anArray = anotherArray 
D)  all of the above

Question 11

Which of the following could be a method heading for a member method that returns an array?

Accepted Answer

A)  int [ ] void DoSomething( ) 
B)  void  int [ ] DoSomething( ) 
C)  int [ ] DoSomething( ) 
D)  void DoSomething[ ] 
A)  int [ ] void DoSomething( ) 
B)  void  int [ ] DoSomething( ) 
C)  int [ ] DoSomething( ) 
D)  void DoSomething[ ]

Question 12

For an array that is dimensioned with a Length of 100, valid subscripts are 0 through 100.

Accepted Answer

A) True 
 B)False

Question 13

To access an array element, you must specify which element is to be retrieved by placing an index inside ____________ following the array identifier

Accepted Answer

The answer of To access an array element, you must...

Question 14

double [ ] price = new double [ ] {3, 2.2, 4.7, 6.1, 4}; 
 Looking above, the value of price.Length is 5.

Accepted Answer

A) True 
 B)False

Question 15

Given an array declaration of int anArray[1000], which of the following would be a valid heading for a method that sends the array in as a parameter?

Accepted Answer

A)  void DisplayContents(int anArray) 
B)  void DisplayContents(int anArray[]) 
C)  void DisplayContents(int [ ] anArray) 
D)  void DisplayContents(anArray[1000]) 
A)  void DisplayContents(int anArray) 
B)  void DisplayContents(int anArray[]) 
C)  void DisplayContents(int [ ] anArray) 
D)  void DisplayContents(anArray[1000])

Question 16

When you pass a single array element such as an integer, you are passing by reference.

Accepted Answer

A) True 
 B)False

Question 17

The Clear( ) method of the Array class sets all integer elements to zero.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is a valid example of calling a method and sending it an array argument?

Accepted Answer

A)  DisplayArrayContents(int [ ] anArray); 
B)  DisplayArrayContents(anArray); 
C)  DisplayArrayContents(anArray[10]); 
D)  DisplayArrayContents(int [ 10] anArray); 
A)  DisplayArrayContents(int [ ] anArray); 
B)  DisplayArrayContents(anArray); 
C)  DisplayArrayContents(anArray[10]); 
D)  DisplayArrayContents(int [ 10] anArray);

Question 19

int [ ] anArray = new int[24]; 
 For the above declaration, 25 cells are set aside for the array since the first element is referenced by index 0.

Accepted Answer

A) True 
 B)False

Question 20

Arrays can be sent to methods as arguments, and methods can have arrays as their return type.

Accepted Answer

A) True 
 B)False

With parallel arrays, the relationship is established through using the same subscript or index to refer to the elements in both arrays.

int [ ] anArray = new int [10]; Int [ ] anotherArray = {6, 7, 4, 5, 6, 2, 3, 5, 9, 1}; AnotherArray.Length returns ____.

Given an array declaration of int anArray[1000], which of the following would be a valid call to a DisplayContents( ) method to send the full array into the method as an argument?

int [ ] score = {86, 66, 76, 92, 95, 88}; for (int i = score.Length-1; i > -1; i--) { Total += score[i]; } Using the declaration above for score, what is added to total during the first iteration?

If you do not know how many entries will be stored with the array, you could dimension it ____.

Arrays are reference variables.

Array identifiers are normally defined using a plural noun.

int [ ] anArray = new int [10]; int [ ] anotherArray = {6, 7, 4, 5, 6, 2, 3, 5, 9, 1}; Foreach (int val in anotherArray) Total += val; Using the above declaration along with the foreach loop, what is stored in total after the program statements are executed?

Array identifiers are normally defined using a(n) ____________.

int [ ] anArray = new int [10]; Int [ ] anotherArray = {6, 7, 4, 5, 6, 2, 3, 5, 9, 1}; Which of the following would copy all of the elements from anotherArray to anArray?

Which of the following could be a method heading for a member method that returns an array?

For an array that is dimensioned with a Length of 100, valid subscripts are 0 through 100.

To access an array element, you must specify which element is to be retrieved by placing an index inside ____________ following the array identifier

double [ ] price = new double [ ] {3, 2.2, 4.7, 6.1, 4}; Looking above, the value of price.Length is 5.

Given an array declaration of int anArray[1000], which of the following would be a valid heading for a method that sends the array in as a parameter?

When you pass a single array element such as an integer, you are passing by reference.

The Clear( ) method of the Array class sets all integer elements to zero.

Which of the following is a valid example of calling a method and sending it an array argument?

int [ ] anArray = new int[24]; For the above declaration, 25 cells are set aside for the array since the first element is referenced by index 0.

Arrays can be sent to methods as arguments, and methods can have arrays as their return type.

Introduction to Computing and Programming

Data Types and Expressions

Methods and Behaviors

Creating Your Own Classes

Making Decisions

Repeating Instructions

Advanced Collections

Introduction to Windows Programming

Programming Based on Events

Advanced Object-Oriented Programming Features

Debugging and Handling Exceptions

Working With Files

Working With Databases

Web-Based Applications

Filters

Exam 7: Arrays

With parallel arrays, the relationship is established through using the same subscript or index to refer to the elements in both arrays.

int [ ] anArray = new int [10]; Int [ ] anotherArray = {6, 7, 4, 5, 6, 2, 3, 5, 9, 1}; AnotherArray.Length returns ____. ​

Given an array declaration of int anArray[1000], which of the following would be a valid call to a DisplayContents( ) method to send the full array into the method as an argument?

int [ ] score = {86, 66, 76, 92, 95, 88}; for (int i = score.Length-1; i > -1; i--) { Total += score[i]; } Using the declaration above for score, what is added to total during the first iteration?

If you do not know how many entries will be stored with the array, you could dimension it ____.

Arrays are reference variables.

Array identifiers are normally defined using a plural noun.

int [ ] anArray = new int [10]; int [ ] anotherArray = {6, 7, 4, 5, 6, 2, 3, 5, 9, 1}; Foreach (int val in anotherArray) Total += val; Using the above declaration along with the foreach loop, what is stored in total after the program statements are executed?

Array identifiers are normally defined using a(n) ____________.

int [ ] anArray = new int [10]; Int [ ] anotherArray = {6, 7, 4, 5, 6, 2, 3, 5, 9, 1}; Which of the following would copy all of the elements from anotherArray to anArray?

Which of the following could be a method heading for a member method that returns an array?

For an array that is dimensioned with a Length of 100, valid subscripts are 0 through 100.

To access an array element, you must specify which element is to be retrieved by placing an index inside ____________ following the array identifier

double [ ] price = new double [ ] {3, 2.2, 4.7, 6.1, 4}; Looking above, the value of price.Length is 5.

Given an array declaration of int anArray[1000], which of the following would be a valid heading for a method that sends the array in as a parameter?

When you pass a single array element such as an integer, you are passing by reference.

The Clear( ) method of the Array class sets all integer elements to zero.

Which of the following is a valid example of calling a method and sending it an array argument?

int [ ] anArray = new int[24]; For the above declaration, 25 cells are set aside for the array since the first element is referenced by index 0.

Arrays can be sent to methods as arguments, and methods can have arrays as their return type.

Introduction to Computing and Programming

Data Types and Expressions

Methods and Behaviors

Creating Your Own Classes

Making Decisions

Repeating Instructions

Advanced Collections

Introduction to Windows Programming

Programming Based on Events

Advanced Object-Oriented Programming Features

Debugging and Handling Exceptions

Working With Files

Working With Databases

Web-Based Applications

Filters

int [ ] anArray = new int [10]; Int [ ] anotherArray = {6, 7, 4, 5, 6, 2, 3, 5, 9, 1}; AnotherArray.Length returns ____.