Question

1. Backward String Design a program that prompts the user to enter a string and then displays the string contents backward. For instance, if the user enters “gravity” the program should display “ytivar"

-VB or Visual Studio. It must be turned into a GUI program. Make sure to write comments and include pseudocode.

-Paste a screenshot of the pseudocode, the VB code, and of the program running into a PDF.

Answer 1

Dear Student ,

As per the requirement submitted above , kindly find the below solution.

Here a new Windows Forms Application in VB is created using Visual Studio 2017 with name "WindowsAppVB".This application contains a form with name "Form1.vb".Below are the files associated with form1.

1.Form1.vb[Design]

2.Form1.vb

Public Class Form1
'Buttton click event
Private Sub btnPrint_Click(sender As Object, e As EventArgs) Handles btnPrint.Click
'taking string entered by user
Dim str As String = txtString.Text
'converting string to character array
Dim charArray() As Char = str.ToCharArray()
'finding string length
Dim strLen As Integer = str.Length()
'using for loop printing string backword
For i = strLen - 1 To 0 Step -1
'concate each character from the string
lblResult.Text = lblResult.Text & charArray(i)
Next
End Sub
End Class

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Output : Run application using F5 and will get the screen as shown below

Screen 1 :

Screen 2:Screen showing backward string

NOTE : PLEASE FEEL FREE TO PROVIDE FEEDBACK ABOUT THE SOLUTION.