Deck 11: String Manipulation and Menus

Question 1

Visual Basic provides the ____ method for accessing any number of characters in a string.

A) Mid
B) Left
C) Substring
D) Right

Answer 1

C

Question 2

____ is the syntax for inserting characters into a string.

A) string.Substring(startIndex[,numCharsToAccess])
B) string.Insert(startIndex, value)
C) string.Remove(startIndex[, numCharsToRemove])
D) string.Find(startIndex[, numCharsToFind])

Answer 2

B

Question 3

Each menu element is considered a(n) ____.

A) interface
B) class
C) system
D) object

Answer 3

D

Question 4

The Contains method always begins the search with ____.

A) the last character in the string
B) the middle character in the string
C) both ends of the string
D) the first character in the string

Question 5

When an expression contains more than one method, the computer processes the methods from right to left.

Question 6

The ____ character represents zero or more characters.

A) ?
B) *
C) #
D) .

Question 7

The Substring method accesses one or more characters contained in a string.

Question 8

A ____ character forces a literal constant to assume a data type other than the one its form indicates.

A) static type
B) conditioned type
C) literal type
D) reconditioned type

Question 9

To insert the value at the beginning of a string, you use a startIndex of 1.

Question 10

To represent a single digit in a pattern, you use the ____ character.

A) *
B) ?
C) .
D) #

Question 11

When processing the PadLeft and PadRight methods, the computer first makes a temporary copy of the string in memory; it then pads the copy only.

Question 12

To specify a different starting location in the IndexOf method, you use the optional ____ argument.

A) startIndex
B) firstIndex
C) Index
D) locateIndex

Question 13

The ____ character in a pattern represents one character only.

A) ?
B) *
C) #
D) .

Question 14

The ____ argument in the syntax of the PadRight method is an integer that represents the total number of characters you want the string's copy to contain.

A) firstChars
B) totalChars
C) countChars
D) replaceChars

Question 15

If you need to determine whether a string contains a specific sequence of characters, you can use the ____ method.

A) Find
B) IndexOf
C) Locate
D) Regex

Question 16

When processing the Insert method, the computer first makes a temporary copy of the string in memory.

Question 17

____ is the syntax to access characters in a string.

A) string.Find(startIndex[, numCharsToFind])
B) string.Substring(startIndex[,numCharsToAccess])
C) string.Insert(startIndex, value)
D) string.Remove(startIndex[, numCharsToRemove])

Question 18

The ____ method pads the string on the right, which means it inserts the padded characters at the end of the string.

A) PadLeft
B) Pad
C) TrimRight
D) PadRight

Question 19

____ is the syntax for removing the characters from a string.

A) string.Find(startIndex[, numCharsToFind])
B) string.Insert(startIndex, value)
C) string.Remove(startIndex[, numCharsToRemove])
D) string.Substring(startIndex[,numCharsToAccess])

Question 20

The most commonly used properties for a menu element are the ____ properties.

A) Name and Text
B) Name and Action
C) Action and Text
D) Label and Text

Question 21

In Windows applications that have an Edit menu, ____ is used to select the Paste command when the Edit menu is closed.

A) Ctrl+X
B) Ctrl+V
C) Ctrl+C
D) Ctrl+P

Question 22

Discuss why applications might need to work with strings.

Question 23

The number of characters contained in a string is stored as an integer in the string's ____________________ property.

Question 24

The access key allows the user to open the menu by pressing the ____ key in combination with the access key.

A) Ctrl
B) Shift
C) Alt
D) Ctrl+Alt

Question 25

Describe menu title captions.

Question 26

If an item on a menu or submenu is a command, you enter the appropriate instructions in the item's ____________________ event procedure.

Question 27

In Windows applications that have an Edit menu, ____ is used to select the Cut command when the Edit menu is closed.

A) Ctrl+Y
B) Ctrl+C
C) Ctrl+V
D) Ctrl+X

Question 28

The ____________________ method pads the string on the left, which means it inserts the padded characters at the beginning of the string.

Question 29

What happens when you omit the numCharsToAccess argument from the Substring method?

Question 30

You specify a menu item's shortcut keys in the ShortcutKeys property in the ____ window.

A) Properties
B) System
C) Menu
D) Interface

Question 31

Explain the difference between the Trim method and the Remove method.

Question 32

Explain how the Contains method works.

Question 33

Explain what the Like operator does.

Question 34

Visual Basic's ____________________ method allows you to insert characters anywhere in a string.

Question 35

A menu item's ____ key can be used only when the menu is open.

A) control
B) menu
C) access
D) shortcut

Question 36

What does the Substring method return?

Question 37

Commonly used menu items should be assigned ____.

A) shortcut keys
B) header keys
C) global keys
D) control keys

Question 38

Discuss the purpose of the access key.

Question 39

A menu item's ____________________ keys can be used only when the menu is closed.

Question 40

Explain how the PadLeft and PadRight methods work.

Question 42

What is the Windows standard for the capitalization of menu item captions?