Question 1

Which of the following is an example of a collection class?

Accepted Answer

A)  Array 
B)  Queue 
C)  HashTable 
D)  all of the above 
A)  Array 
B)  Queue 
C)  HashTable 
D)  all of the above

Question 2

The ____ method adds an object to the end of the queue.

Accepted Answer

A)  Enqueue( ) 
B)  Dequeue( ) 
C)  Pop( ) 
D)  Push( ) 
A)  Enqueue( ) 
B)  Dequeue( ) 
C)  Pop( ) 
D)  Push( )

Question 3

For a declaration such as, int [ , ]  anArray = new int [6, 5], a total of 11 memory locations can be accessed using the identifier anArray.

Accepted Answer

A) True 
 B)False

Question 4

The ____________ are defined to compare the contents of strings instead of comparing their addresses.

Accepted Answer

The answer of The ____________ are defined to compare the...

Question 5

int [ , ] score = {{88, 66, 76, 92, 95} {67, 88, 45, 99, 80}}; int total = 0;
Foreach (int val in score)
Total += val;
Using the code shown above, 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 val is not initialized 
A)  0 
B)  88 
C)  86, 66, 76, 92 and 95 
D)  unknown, because val is not initialized

Question 6

The ArrayList does not allow you to mix types. All elements must be of the same data type.

Accepted Answer

A) True 
 B)False

Question 7

The ArrayList class can be used to create a listlike structure that can dynamically increase or decrease in length.

Accepted Answer

A) True 
 B)False

Question 8

C# also includes a generic ____________ class that is very similar to the ArrayList class. The primary difference between the two classes is that objects do not have to be the same type when they are pushed on an ArrayList, unlike the other class, which requires all objects to be of the same type..

Accepted Answer

The answer of C# also includes a generic ____________ class...

Question 9

The method that deletes a number of characters beginning at a specified position is ____.

Accepted Answer

A)  Remove( ) 
B)  Delete( ) 
C)  Replace( ) 
D)  ReplaceAt( ) 
A)  Remove( ) 
B)  Delete( ) 
C)  Replace( ) 
D)  ReplaceAt( )

Question 10

Console.Write("anExample".IndexOf("a")); returns ____.

Accepted Answer

A)  null 
B)  4 
C)  04 
D)  0 
A)  null 
B)  4 
C)  04 
D)  0

Question 11

string sValue = "Life is about choices";
String [ ] sn = sValue.Split(' ');
Using the Substring( ) method with sValue, which of the following references the word choices?

Accepted Answer

A)  sValue.Substring(14, 7); 
B)  sValue.Substring(3); 
C)  sValue.Substring("choices"); 
D)  sValue.Substring(15, 7); 
A)  sValue.Substring(14, 7); 
B)  sValue.Substring(3); 
C)  sValue.Substring("choices"); 
D)  sValue.Substring(15, 7);

Question 12

Which class represents a First-In-First-Out (FIFO) collection, which is useful for storing objects in the order they were received for sequential processing?

Accepted Answer

A)  Queue 
B)  HashTable 
C)  Stack 
D)  ArrayList 
A)  Queue 
B)  HashTable 
C)  Stack 
D)  ArrayList

Question 13

The GetLength( ) method can be called to return the number of rows or columns.

Accepted Answer

A) True 
 B)False

Question 14

The ____________ property can be used with multidimensional arrays to get the total number of elements in all dimensions.

Accepted Answer

The answer of The ____________ property can be used with...

Which of the following is an example of a collection class?

The ____ method adds an object to the end of the queue.

For a declaration such as, int [ , ] anArray = new int [6, 5], a total of 11 memory locations can be accessed using the identifier anArray.

The ____________ are defined to compare the contents of strings instead of comparing their addresses.

int [ , ] score = {{88, 66, 76, 92, 95} {67, 88, 45, 99, 80}}; int total = 0; Foreach (int val in score) Total += val; Using the code shown above, what is added to total during the first iteration?

The ArrayList does not allow you to mix types. All elements must be of the same data type.

The ArrayList class can be used to create a listlike structure that can dynamically increase or decrease in length.

C# also includes a generic ____________ class that is very similar to the ArrayList class. The primary difference between the two classes is that objects do not have to be the same type when they are pushed on an ArrayList, unlike the other class, which requires all objects to be of the same type..

The method that deletes a number of characters beginning at a specified position is ____.

Console.Write("anExample".IndexOf("a")); returns ____.

string sValue = "Life is about choices"; String [ ] sn = sValue.Split(' '); Using the Substring( ) method with sValue, which of the following references the word choices?

Which class represents a First-In-First-Out (FIFO) collection, which is useful for storing objects in the order they were received for sequential processing?

The GetLength( ) method can be called to return the number of rows or columns.

The ____________ property can be used with multidimensional arrays to get the total number of elements in all dimensions.

Introduction to Computing and Programming

Data Types and Expressions

Methods and Behaviors

Creating Your Own Classes

Making Decisions

Repeating Instructions

Arrays

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 8: Advanced Collections

Which of the following is an example of a collection class?

The ____ method adds an object to the end of the queue.

For a declaration such as, int [ , ] anArray = new int [6, 5], a total of 11 memory locations can be accessed using the identifier anArray.

The ____________ are defined to compare the contents of strings instead of comparing their addresses.

int [ , ] score = {{88, 66, 76, 92, 95} {67, 88, 45, 99, 80}}; int total = 0; Foreach (int val in score) Total += val; Using the code shown above, what is added to total during the first iteration?

The ArrayList does not allow you to mix types. All elements must be of the same data type.

The ArrayList class can be used to create a listlike structure that can dynamically increase or decrease in length.

C# also includes a generic ____________ class that is very similar to the ArrayList class. The primary difference between the two classes is that objects do not have to be the same type when they are pushed on an ArrayList, unlike the other class, which requires all objects to be of the same type..

The method that deletes a number of characters beginning at a specified position is ____.

Console.Write("anExample".IndexOf("a")); returns ____.

string sValue = "Life is about choices"; String [ ] sn = sValue.Split(' '); Using the Substring( ) method with sValue, which of the following references the word choices?

Which class represents a First-In-First-Out (FIFO) collection, which is useful for storing objects in the order they were received for sequential processing?

The GetLength( ) method can be called to return the number of rows or columns.

The ____________ property can be used with multidimensional arrays to get the total number of elements in all dimensions.

Introduction to Computing and Programming

Data Types and Expressions

Methods and Behaviors

Creating Your Own Classes

Making Decisions

Repeating Instructions

Arrays

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