application which will calculate the grade point average (GPA) for a series of percentage scores according to the following criteria: Percentage Range Corresponding GPA Score 90- 100 4.00 80 - 89 3.00 70 - 79 2.00 0 - 69 0.00 NOTE: The application will accept percentage scores for GPA calculation until the sentinel value of -1 is entered, and then this value of -1 will cause the application to calculate the final GPA score and then exit. The application should return an error message if the user enters a number greater than 100 or less than -1. Here is a typical sequence of inputs and outputs for this Java application:

application which will calculate the grade point average (GPA) for a series of percentage scores according to the following criteria: Percentage Range Corresponding GPA Score 90- 100 4.00 80 - 89 3.00 70 - 79 2.00 0 - 69 0.00 NOTE: The application will accept percentage scores for GPA calculation until the sentinel value of -1 is entered, and then this value of -1 will cause the application to calculate the final GPA score and then exit. The application should return an error message if the user enters a number greater than 100 or less than -1. Here is a typical sequence of inputs and outputs for this Java application:

Programming with Microsoft Visual Basic 2017

8th Edition

ISBN:9781337102124

Author:Diane Zak

Publisher:Diane Zak

Chapter3: Coding With Variables, Named Constants, And Calculations

Section: Chapter Questions

Problem 5E

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The purpose of this exercise is to demonstrate the importance of testing an application thoroughly. Open the FixIt Solution.sln file contained in the VB2017\Chap04\FixIt Solution folder. The application displays a shipping charge that is based on the total price entered by the user, as shown in Figure 4-64. Start the application and then test it by clicking the Display shipping button. Notice that the Shipping charge box contains $13, which is not correct. Now, test the application using the following total prices: 100, 501, 1500, 500.75, 30, 1000.33, and 2000. Here too, notice that the application does not always display the correct shipping charge. (More specifically, the shipping charge for two of the seven total prices is incorrect.) Open the Code Editor window and correct the errors in the code. Save the solution and then start and test the application.
The Donut Shoppe sells four varieties of doughnuts: Glazed (1.05), Sugar (1.05), Chocolate (1.25), and Filled (1.50). It also sells regular coffee (1.50) and cappuccino (2.75). The store manager wants you to create an application that displays a customers subtotal, 6% sales tax, and total due. Create a Windows Forms application. Use the following names for the project and solution, respectively: Donut Project and Donut Solution. Save the application in the VB2017\Chap06 folder. Create the interface shown in Figure 6-57. When coding the application, use one independent Sub procedure to determine the subtotal, which is the total cost without the sales tax. Use a function to determine the sales tax. Use an event-handling Sub procedure to clear the output. Save the solution and then start and test the application.
Account numbers sometimes contain a check digit that is the result of a mathematical calculation. The inclusion of the digit in an account number helps ascertain whether the number is a valid one. Write an application named CheckDigit that asks a user to enter a four-digit account number and determines whether it is a valid number. The number is valid if the fourth digit is the remainder when the number represented by the first three digits of the four-digit number is divided by 7. For example, 7770 is valid, because 0 is the remainder when 777 is divided by 7. The next problems rely on the generation of a random number. You can create a random number that is at least mi n but less than max using the following statements: Random ranNumberCenerator = new Random(); int randomNumber; randomNumber = ranNumberGenerator .Next(min, max);
Create a lottery game application named Lottery. Generate three random numbers, each between 1 and 4. Allow the user to guess three numbers. Compare each of the users guesses to the three random numbers, and display a message that includes the users guess, the randomly determined three-digit number, and the amount of money the user has won as follows: Â Make certain that your application accommodates repeating digits. For example, if a user guesses 1, 2, and 3, and the randomly generated digits are 1, 1, and 1, do not give the user credit for three correct guesses-just one.
In Chapter 2, you created a program for Marshalls Murals that prompts a user for the number of interior and exterior murals scheduled to be painted during the next month. The program computes the expected revenue for each type of mural when interior murals cost $500 each and exterior murals cost $750 each. The application should display, by mural type, the number of murals ordered, the cost for each type, and a subtotal. The application also displays the total expected revenue and a statement that indicates whether more interior murals are scheduled than exterior ones. Now create an interactive GUI program named MarshallsRevenueGUI that performs all the same tasks.