Chapter 4, Problem 9PE

Program Plan Intro

Program to simulate vending machine that gives change

Program plan:

• Import the required package.
• Create a class VendingMachine to vending machine that provides change for the bills entered.
• Define the “main()” function.
• Create scanner class object to read the user input.
• Declare and initialize the variables.
• Prompt the user to enter the bill value to be inserted in the vending machine.
• Read the user input and store it in a variable.
• Prompt the user to enter the quarter value to be inserted in the vending machine.
• Read the user input and store it in a variable.
• Prompt the user to enter item price in pennies.
• Read the user input and store it in a variable.
• Compute the amount to be returned by the vending machine.
• Compute number of dollar coins to be returned by the vending machine.
• Compute number of quarters to be returned by the vending machine.
• Display the output.