Chapter 3.2, Problem 19E

Explanation of Solution

Given: The following lines of code with a list box:

lstBox.Items.Add("aBc".ToUpper)

lstBox.Items.Add("Wallless".IndexOf("111"))

lstBox.Items.Add("five".Length)

lstBox.Items.Add(" 55 ".Trim & " mph ")

lstBox.Items.Add("UNDERSTUDY".Substring(5, 3))

To find: The output of the lines of code that are displayed in the list box:

lstBox.Items.Add("aBc".ToUpper)

lstBox.Items.Add("Wallless".IndexOf("lll"))

lstBox.Items.Add("five".Length)

lstBox.Items.Add(" 55 ".Trim & " mph ")

lstBox.Items.Add("UNDERSTUDY".Substring(5, 3))

Solution:

The method named “ToUpper� changes the string to uppercase. Here, it changes the string, “aBc�, to “ABC�...