Repeating statements while a condition is true, Visual Basic Programming

Assignment Help:

Use the While keyword to verify a condition in a Do...Loop statement. You can verify the condition before you enter the loop (as illustrated in the following ChkFirstWhile instance), or you can verify it after the loop has run at least once (as illustrated in the ChkLastWhile instance). In the ChkFirstWhile procedure, if myNum is set to 9 rather than 20, the statements inside the loop will never run. In the ChkLastWhile process, the statements inside the loop run only once since the condition is already False.

Sub ChkFirstWhile() Dim counter, myNum counter = 0

myNum = 20

Do While myNum > 10 myNum = myNum - 1 counter = counter + 1

Loop

MsgBox "The loop made " & counter & " repetitions." End Sub

Sub ChkLastWhile() Dim counter, myNum counter = 0

myNum = 9

Do

myNum = myNum - 1 counter = counter + 1

Loop While myNum > 10

MsgBox "The loop made " & counter & " repetitions." End Sub

The above figure illustrate two example code fragments illustrating the do... loop and do while ... loop statements. In the first loop the condition is verified before executing the code however in the second loop the statements are first executed once and after that the condition is verified. In the first loop the instructions given in the loop's body will never be executed if the condition initially fails but in the second loop these instructions would be executed at least once.  The following flow chart illustrates the execution plan of the second procedure i.e. CheckLastWhile:

1225_Repeating Statements While a Condition is True.png

                Figure: Execution Plan of the Second Loop


Related Discussions:- Repeating statements while a condition is true

Help cnt get result to disply, Ask question #Minimum 10Public Class Form1 ...

Ask question #Minimum 10Public Class Form1 ''=============================================== ''Date: June 24, 2014 ''Author: Xochitl Nisbet ''Purpose: Convert Celsi

Application that determines the optimal inventory policy, Objective: To dev...

Objective: To develop an Application (Excel + VBA) that determines the optimal inventory policy under an All-Units Discount scheme. APPLICATION CHARACTERISTICS Consider the

John Galt requests a program to double-check his Gas Bill, John''s gas supp...

John''s gas supply is read from a 4-digit meter each month that shows the current total gas used in cubic meters. The amount of gas used that month is determined by subtracting t

For each next loop - vbscript, A For Each...Next loop is similar to a For.....

A For Each...Next loop is similar to a For...Next loop. Rather than repeating the statements a particular number of times, For Each...Next loop repeats group of statements for each

MATHEMATICS PROJECT, HOW TO SOLVE ORDINARY DIFFERENTIAL EQUETION IN VISUAL ...

HOW TO SOLVE ORDINARY DIFFERENTIAL EQUETION IN VISUAL BASIC PROGRAMMING

Lotto program, You are asked to create the LOTO game customized according t...

You are asked to create the LOTO game customized according to the following constraints: 1. Create a grid containing 20 numbers (20 buttons: button1, button2, …button20) 2. When t

Features of user interface design, FEATURES OF USER INTERFACE DESIGN Th...

FEATURES OF USER INTERFACE DESIGN The features like how will the software's are used? Who will be the users? What will be the life of the software? During its lifetime how ofte

Very Very Boards, This is from the book Programming in Visual Basic 2010 by...

This is from the book Programming in Visual Basic 2010 by Julia Case Bradley and Anita C. Millspaugh. The assignment is located in Chapter 3 on page 154. Before I type it in, I wou

Dialog based application - types of project using visual c++, Dialog Based ...

Dialog Based Application: The application which app wizard generates is based on the dialog template resource.

Loan program, need help with logic part of loan program

need help with logic part of loan program

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd