Visual Basic

Exercise 7.1.32.

Suppose the array pres has been filled with the names of the first 45 U.S. presidents in the order in which they served.

Choose the correct description for each of the following pieces of codes.

(a) txtOutput.Text = pres.First (b) txtOutput.Text = pres.Last (c) txtOutput.Text = CStr(Array.IndexOf(pres, "James Monroe") + 1) (d) For i As Integer = (pres.Count - 4) To pres.Count lstoutput.Items.Add(pres(i - 1)) Next (e) txtOutput.Text = pres(9) (f) txtOutput.Text = pres(1) (g) For i As Integer = 0 To 5 lstoutput.Items.Add(pres(i)) Next (h) txtOutput.Text = pres(0) (i) txtOutput.Text = pres(44) (k) txtOutput.Text = pres(pres.Count-2)

Answer a

b

c

d

e

f

g

h

i

k

Visual Basic

[ Choose ] the first six presidents the most recent president the second president The president right before the most recent president the number for "James Monroe" None is a correct answer the last five presidents the first president the tenth president