Write a Javaâ„¢ GUI application using NetBeansâ„¢ Integrated Development Environment (IDE) that does home utility auditing.

The user should be able to:

  • Enter the cost per kilowatt-hour.
  • Select from a list of 5- to 7-home appliances which includes a washer, among other appliances.
  • Enter the power needed in kilowatts (kW) for the selected appliance.
  • Enter the number of hours used per day for the selected appliance.
  • If the washer is selected, enter both the number of gallons of water used by the washer per hour and the cost per gallon.

The program should:

  • Validate that the data entered has the correct format, and is within a reasonable range.
  • Calculate and display the cost for operating a home appliance as soon as the data is entered.
  • Create a listing area to display each of the following for each appliance entered:
    • Home Appliance
    • Number of hours per day
    • Cost
    • Display and update the total cost of all appliances, as soon as a new entry is added to the listing area.

The Javaâ„¢ application should meet these technical requirements:

  • The application should have at least one class, in addition to the application’s controlling class (a controlling class is where the main function resides).
  • There should be proper documentation in the source code.


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