Question 1

Method Insert can only be used on the primitive data types.

Accepted Answer

A) True 
 B)False

Question 2

When using the Replace method,the first character passed in is the character to be replaced and the second is what it will be replaced by.

Accepted Answer

A) True 
 B)False

Question 3

When a number is passed as an argument for a String indexer,it returns that many characters starting from the first.

Accepted Answer

A) True 
 B)False

Question 4

Method xe "Concat method of class String"Concat is not a Shared method.

Accepted Answer

A) True 
 B)False

Question 5

If an IndexOfAny method is passed an array of characters it:

Accepted Answer

A) finds the first occurrence of each letter in the String 
B) searches for the first occurrence of any of the characters in the String 
C) will search for the first occurrence of the sequence of characters 
D) generates an error 
A) finds the first occurrence of each letter in the String 
B) searches for the first occurrence of any of the characters in the String 
C) will search for the first occurrence of the sequence of characters 
D) generates an error

Question 6

Concatenating two Strings merges the two Strings into another String.

Accepted Answer

A) True 
 B)False

Question 7

There is no direct way of converting a String to a character array.

Accepted Answer

A) True 
 B)False

Question 8

The method IsWhiteSpace is used only to determine whether a character is a space or not.

Accepted Answer

A) True 
 B)False

Question 9

Class xe "StringBuilder class"StringBuilder is used to:

Accepted Answer

A) create Strings 
B) manipulate Strings 
C) modify Strings 
D) All of the above 
A) create Strings 
B) manipulate Strings 
C) modify Strings 
D) All of the above

Question 10

The expression New String("America",4,2)creates a string with the value:

Accepted Answer

A) "meri" 
B) "ire" 
C) "ri" 
D) "ic" 
E) Nothing 
A) "meri" 
B) "ire" 
C) "ri" 
D) "ic" 
E) Nothing

Question 11

Characters consist of only the uppercase and lowercase alphabets.

Accepted Answer

A) True 
 B)False

Question 12

Passing an index greater than zero,but less than or equal to the length of the String will result in an IndexOutOfRangeException.

Accepted Answer

A) True 
 B)False

Question 13

By default all quantifiers are lazy.

Accepted Answer

A) True 
 B)False

Question 14

In the declaration: Dim color As String = "blue"

Accepted Answer

A) the String literal color is assigned to the String variable "blue" 
B) the String variable color is assigned to the String literal "blue" 
C) the String literal "blue" is assigned to the String variable color 
D) None of the above 
A) the String literal color is assigned to the String variable "blue" 
B) the String variable color is assigned to the String literal "blue" 
C) the String literal "blue" is assigned to the String variable color 
D) None of the above

Question 15

Given the literal String object string1 = "hello there",then string1.Length = 10.

Accepted Answer

A) True 
 B)False

Question 16

If a number is formatted with the D3 formatter,it means that:

Accepted Answer

A) the number has to have at least 3 digits even if they are zero 
B) the number has a dollar sign and is at least 3 digits long 
C) the number has a three-dimensional context 
D) an error occurs 
A) the number has to have at least 3 digits even if they are zero 
B) the number has a dollar sign and is at least 3 digits long 
C) the number has a three-dimensional context 
D) an error occurs

Question 17

The Unicode character set has the same characters as ASCII.

Accepted Answer

A) True 
 B)False

Question 18

The String Split method is used to (most specifically):

Accepted Answer

A) break a String into a character array 
B) divide a String in half 
C) break a String into individual characters 
D) break a String into substrings,such that the substrings appear in the original String and are separated by at least one of the characters supplied 
A) break a String into a character array 
B) divide a String in half 
C) break a String into individual characters 
D) break a String into substrings,such that the substrings appear in the original String and are separated by at least one of the characters supplied

Question 19

When appropriate,using String objects instead of StringBuilder objects improves performance.

Accepted Answer

A) True 
 B)False

Question 20

After method EnsureCapacity doubles the StringBuilder instance's current capacity,if the new capacity is still lower than the value that the programmer wishes to ensure:

Accepted Answer

A) EnsureCapacity doubles capacity again 
B) EnsureCapacity sets capacity to the requested number 
C) EnsureCapacity sets capacity to one more than the requested number 
D) None of the above 
A) EnsureCapacity doubles capacity again 
B) EnsureCapacity sets capacity to the requested number 
C) EnsureCapacity sets capacity to one more than the requested number 
D) None of the above

Exam 17: Strings and Characters: a Deeper Look

Method Insert can only be used on the primitive data types.

When using the Replace method,the first character passed in is the character to be replaced and the second is what it will be replaced by.

When a number is passed as an argument for a String indexer,it returns that many characters starting from the first.

Method xe "Concat method of class String"Concat is not a Shared method.

If an IndexOfAny method is passed an array of characters it:

Concatenating two Strings merges the two Strings into another String.

There is no direct way of converting a String to a character array.

The method IsWhiteSpace is used only to determine whether a character is a space or not.

Class xe "StringBuilder class"StringBuilder is used to:

The expression New String("America",4,2)creates a string with the value:

Characters consist of only the uppercase and lowercase alphabets.

Passing an index greater than zero,but less than or equal to the length of the String will result in an IndexOutOfRangeException.

By default all quantifiers are lazy.

In the declaration: Dim color As String = "blue"

Given the literal String object string1 = "hello there",then string1.Length = 10.

If a number is formatted with the D3 formatter,it means that:

The Unicode character set has the same characters as ASCII.

The String Split method is used to (most specifically):

When appropriate,using String objects instead of StringBuilder objects improves performance.

After method EnsureCapacity doubles the StringBuilder instance's current capacity,if the new capacity is still lower than the value that the programmer wishes to ensure:

Introduction to Computers, the Internet and Visual Basic

Dive Into Visual Basic Express 2012 Express

Introduction to Visual Basic Programming

Introduction to Problem Solving and Control Statements

Problem Solving and Control Statements

Methods

Arrays

Files and Streams

Object-Oriented Programming: Classes and Objects

Object-Oriented Programming: Inheritance

Introduction to Linq

Databases and LINQ to SQL

Web App Developing in Aspnet With Vb

Windows Forms Gui: a Deeper Look

Graphics and Multimedia

Exception Handling

Files and Streams

Xml and Linq to Xml

Windows 8 Ui Xaml

Windows 8 Graphics and Multimedia

Windows Phone 8 Case Study

Asynchronous Programming With Async and Await

Web App Development With Aspnet: a Deeper Look

Web Services

Windows Azure Cloud Computing Case Study

Visual Basic 2012 How to Program

Visual Basic 2012 How to Program

Data Structures and Generic Collections

Filters