Question 1

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 2

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 3

Strings are not able to be made from an array of characters.

Accepted Answer

A) True 
 B)False

Question 4

When a backslash is found within quotes it's considered part of an escape sequence.

Accepted Answer

A) True 
 B)False

Question 5

Properties Length and Capacity are used to return the number of characters in the StringBuilder and the total length allowed (at that time)of the StringBuilder,respectively.

Accepted Answer

A) True 
 B)False

Question 6

Class String and the Char structure are found in the:

Accepted Answer

A)  System.Strings namespace 
B)  System.Chars namespace 
C)  System.Text namespace 
D)  System namespace 
A)  System.Strings namespace 
B)  System.Chars namespace 
C)  System.Text namespace 
D)  System namespace

Question 7

strings always know their size.

Accepted Answer

A) True 
 B)False

Question 8

A lazy quantifier will return only the first case that matches the specifica
tions.

Accepted Answer

A) True 
 B)False

Question 9

If a method's arguments cause it to access an index of the string that is beyond its length,the program will retrieve whatever is in that memory location.

Accepted Answer

A) True 
 B)False

Question 10

The letter 'B' is greater than the letter 'b'.

Accepted Answer

A) True 
 B)False

Question 11

The proper way to convert a string to all lowercase is:

Accepted Answer

A)  STRING = string; 
B)  ToLower(string); 
C)  string.ToLower(); 
D)  string.ToLower(string); 
A)  STRING = string; 
B)  ToLower(string); 
C)  string.ToLower(); 
D)  string.ToLower(string);

Question 12

The string Split method is used to:

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 13

When passed a white space,method Trim can be used to eliminate all characters from a string.

Accepted Answer

A) True 
 B)False

Question 14

In the declaration: string color = "blue";

Accepted Answer

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

Question 15

Exceeding the capacity of a StringBuilder causes the program to throw an OutOfRangeException.

Accepted Answer

A) True 
 B)False

Question 16

The asterisk (*)can be used to match an expression zero or more times.

Accepted Answer

A) True 
 B)False

Question 17

Method AppendFormat can be used to format objects with spaces or using proper mathematical notations.

Accepted Answer

A) True 
 B)False

Question 18

An example of a struct is:

Accepted Answer

A)  an int 
B)  a double 
C)  a char 
D)  a byte 
E)  All of the above 
A)  an int 
B)  a double 
C)  a char 
D)  a byte 
E)  All of the above

Question 19

The IndexOf method returns the indices of all occurrences of the given string.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following cannot be used to form a word

Accepted Answer

A)  String 
B)  StringBuilder 
C)  Regex 
D)  An array of Chars 
E)  None of the above 
A)  String 
B)  StringBuilder 
C)  Regex 
D)  An array of Chars 
E)  None of the above

Exam 16: Strings,Characters and Regular Expressions

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

Class xe "StringBuilder class"StringBuilder is used to:

Strings are not able to be made from an array of characters.

When a backslash is found within quotes it's considered part of an escape sequence.

Properties Length and Capacity are used to return the number of characters in the StringBuilder and the total length allowed (at that time)of the StringBuilder,respectively.

Class String and the Char structure are found in the:

strings always know their size.

A lazy quantifier will return only the first case that matches the specifica tions.

If a method's arguments cause it to access an index of the string that is beyond its length,the program will retrieve whatever is in that memory location.

The letter 'B' is greater than the letter 'b'.

The proper way to convert a string to all lowercase is:

The string Split method is used to:

When passed a white space,method Trim can be used to eliminate all characters from a string.

In the declaration: string color = "blue";

Exceeding the capacity of a StringBuilder causes the program to throw an OutOfRangeException.

The asterisk (*)can be used to match an expression zero or more times.

Method AppendFormat can be used to format objects with spaces or using proper mathematical notations.

An example of a struct is:

The IndexOf method returns the indices of all occurrences of the given string.

Which of the following cannot be used to form a word

Introduction to Computers, the Internet and Visual C#

Dive Into Visual Studio Community

Introduction to C# Apps

Introduction to Classes,Objects,Methods and Strings

Control Statements: Part 1

Control Statements: Part 2

Methods: a Deeper Look

Arrays;Introduction to Exception Handling

Introduction to Linq and Generic Collections

Classes and Objects: A Deeper Look

Object-Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

Exception Handling: A Deeper Look

GUI With Windows Forms: Part 1

GUI With Windows Forms: Part 2

Files and Streams

Searching and Sorting

Data Structures

Generics

Collections

Databases and LING

Asynchronous Programming With Async and Await

XML

GUI With Windows Presentation Foundation

Filters