DrinkMachine Applet Program plan: Include necessary header files. Define a class “DrinkMachineApplet”. Declare and initialize the necessary variables. Define a method “init()”. Declare the necessary methods to initialize the “DrinkMachineApplet”. Define a method “myButtons()” to add buttons to the “DrinkMachineApplet”.. Define a class “ButtonHandler”. Define a method “actionPerformed()”. Declare the necessary variables. Use “if” loop to check “price” is less than “$0.75”. True, show the message “Inadequate price of money”. Otherwise, The “if” loop check the source is equal to “cola”. True, Increment the variable “colaClk” by “1”. Show the message with balance amount. Otherwise, show the message “Inadequate price of money”. The “if” loop check the source is equal to “lemmonsoda”. True, Increment the variable “lemonClk” by “1”. Show the message with balance amount. Otherwise, show the message “Inadequate price of money”. The “if” loop check the source is equal to “grapesoda”. True, Increment the variable “grapeClk” by “1”. Show the message with balance amount. Otherwise, show the message “Inadequate price of money”. The “if” loop check the source is equal to “rootbeer”. True, Increment the variable “rootbeerClk” by “1”. Show the message with balance amount. Otherwise, show the message “Inadequate price of money”. The “if” loop check the source is equal to “water”. True, Increment the variable “waterClk” by “1”. Show the message with balance amount. Otherwise, show the message “Inadequate price of money”. Call the method “setText()” to display the balance.

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Chapter 14, Problem 7PC

Program Plan Intro

DrinkMachine Applet

Program plan:

Include necessary header files.

Define a class “DrinkMachineApplet”.

Declare and initialize the necessary variables.

Define a method “init()”.

Declare the necessary methods to initialize the “DrinkMachineApplet”.

Define a method “myButtons()” to add buttons to the “DrinkMachineApplet”..

Define a class “ButtonHandler”.

Define a method “actionPerformed()”.

Declare the necessary variables.

Use “if” loop to check “price” is less than “$0.75”.

True, show the message “Inadequate price of money”.

Otherwise,

The “if” loop check the source is equal to “cola”.

True, Increment the variable “colaClk” by “1”.

Show the message with balance amount.

Otherwise, show the message “Inadequate price of money”.

The “if” loop check the source is equal to “lemmonsoda”.

True, Increment the variable “lemonClk” by “1”.

Show the message with balance amount.

Otherwise, show the message “Inadequate price of money”.

The “if” loop check the source is equal to “grapesoda”.

True, Increment the variable “grapeClk” by “1”.

Show the message with balance amount.

Otherwise, show the message “Inadequate price of money”.

The “if” loop check the source is equal to “rootbeer”.

True, Increment the variable “rootbeerClk” by “1”.

Show the message with balance amount.

Otherwise, show the message “Inadequate price of money”.

The “if” loop check the source is equal to “water”.

True, Increment the variable “waterClk” by “1”.

Show the message with balance amount.

Otherwise, show the message “Inadequate price of money”.

Call the method “setText()” to display the balance.

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