Question 1

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 2

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 3

Arrays are reference variables.

Accepted Answer

A) True 
 B)False

Question 4

int [ ] anArray = new int [10];
int [ ] anotherArray = {6, 7, 4, 5, 6, 2, 3, 5, 9, 1};
-How could all values of anotherArray be totaled?

Accepted Answer

A)  foreach(int val in anotherArray)
Total += val; 
B)  for (int i = 0; i < anotherArray.Length; i++)
Total += anotherArray; 
C)  Array.Sum(anotherArray) 
D)  all of the above 
A)  foreach(int val in anotherArray)
Total += val; 
B)  for (int i = 0; i < anotherArray.Length; i++)
Total += anotherArray; 
C)  Array.Sum(anotherArray) 
D)  all of the above

Question 5

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 6

To declare an array,the value(s)used inside the square bracket can be a constant literal,a variable,or an expression that produces an integral value.

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

Properties are added to a class to enable client applications to access public members.

Accepted Answer

A) True 
 B)False

Question 9

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 10

When a method uses the params modifier,it indicates that the number of arguments to the method may vary.

Accepted Answer

A) True 
 B)False

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

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 13

All data values placed in an array must be of the same ____________.

Accepted Answer

The answer of All data values placed in an array...

Question 14

Given an array declared to hold 100 values,the largest index that can be used with the array is:

Accepted Answer

A)  based on what index is used when the first value is placed in the array 
B)  99 
C)  100 
D)  undetermined 
A)  based on what index is used when the first value is placed in the array 
B)  99 
C)  100 
D)  undetermined

Question 15

Because arrays are reference types,the ref keyword is required with the argument and parameter list.

Accepted Answer

A) True 
 B)False

Question 16

The index is also referred to as the ____ of the array.

Accepted Answer

A)  value 
B)  element 
C)  size 
D)  subscript 
A)  value 
B)  element 
C)  size 
D)  subscript

Question 17

A parallel array is used to create string arrays because multiple characters are included within each element.

Accepted Answer

A) True 
 B)False

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

Arrays can be used as fields or instance variables in classes;and,arrays of objects can be declared.

Accepted Answer

A) True 
 B)False

Question 20

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);

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

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?

Arrays are reference variables.

int [ ] anArray = new int [10]; int [ ] anotherArray = {6, 7, 4, 5, 6, 2, 3, 5, 9, 1}; -How could all values of anotherArray be totaled?

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

To declare an array,the value(s)used inside the square bracket can be a constant literal,a variable,or an expression that produces an integral value.

Array identifiers are normally defined using a plural noun.

Properties are added to a class to enable client applications to access public members.

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?

When a method uses the params modifier,it indicates that the number of arguments to the method may vary.

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

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?

All data values placed in an array must be of the same ____________.

Given an array declared to hold 100 values,the largest index that can be used with the array is:

Because arrays are reference types,the ref keyword is required with the argument and parameter list.

The index is also referred to as the ____ of the array.

A parallel array is used to create string arrays because multiple characters are included within each element.

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

Arrays can be used as fields or instance variables in classes;and,arrays of objects can be declared.

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

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

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

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?

Arrays are reference variables.

int [ ] anArray = new int [10]; int [ ] anotherArray = {6, 7, 4, 5, 6, 2, 3, 5, 9, 1}; -How could all values of anotherArray be totaled?

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

To declare an array,the value(s)used inside the square bracket can be a constant literal,a variable,or an expression that produces an integral value.

Array identifiers are normally defined using a plural noun.

Properties are added to a class to enable client applications to access public members.

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?

When a method uses the params modifier,it indicates that the number of arguments to the method may vary.

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

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?

All data values placed in an array must be of the same ____________.

Given an array declared to hold 100 values,the largest index that can be used with the array is:

Because arrays are reference types,the ref keyword is required with the argument and parameter list.

The index is also referred to as the ____ of the array.

A parallel array is used to create string arrays because multiple characters are included within each element.

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

Arrays can be used as fields or instance variables in classes;and,arrays of objects can be declared.

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

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