Question: Using Dr.Java Objective: Write a class that keeps track of concert promotion information First down load the driver and put it in your project Notice

Using Dr.Java

Objective:

Write a class that keeps track of concert promotion information

First down load the driver and put it in your project

Notice that this has all of the dialog outputs and user inputs already written You are writing the backend not he front end

Write a class file called Concert that DOES NOT HAVE a main method Some of the attributes of Concert are

Name Capacity Number of Tickets Sold By Phone Number of Tickets Sold At the Venue The price of a ticket by phone The price of a ticket at the venue

Create the following Constructors

Default sets everything to default values One that has the parameters (in this order)

Band name Capacity Price by phone Price at the venue

One that has parameters (in this order)

Name Capacity Number of Tickets Sold By Phone Number of Tickets Sold At the Venue The price of a ticket by phone The price of a ticket at the venue

Accessors and Mutators for each variable

MAKE SURE THE MUTATORS CHECK FOR VALID VALUES!

Create the following Methods

TotalNumberOfTicketsSold

No parameters Returns the value of the phone tickets plus the venue tickets

TicketsRemaining

No parameters Returns the value of the capacity minus the total number of tickets sold

BuyTicketsAtVenue

1 parameter that corresponds to the number of tickets being bought returns nothing

BuyTicketsByPhone

1 parameter that corresponds to the number of tickets being bought returns nothing

TotalSales

No parameters Returns the value of the ticket at the venue times the number of tickets sold at the venue, plus the tickets by phone times the price of a phone ticket

Example Dialog:

Welcome to the Concert Promotion tool!

Currently the concert featuring the band No name yet

Has sold 0 tickets by phone

Has sold 0 tickets at the venue

And has grossed $0.0

What would you like to do?

Enter 1: To change name

Enter 2: To change ticket by phone price

Enter 3: To change ticket at venue price

Enter 4: To add tickets by phone

Enter 5: To add tickets at the venue

Enter 6: To find out how many tickets are remaining

Enter 7: To find out how many total tickets have been sold

Enter 8: To change the venue's capacity

Enter 9: To start a new concert

Enter 0: To Quit

Enter the name of the band

Bob's Band

Currently the concert featuring the band Bob's Band

Has sold 0 tickets by phone

Has sold 0 tickets at the venue

And has grossed $0.0

What would you like to do?

Enter 1: To change name

Enter 2: To change ticket by phone price

Enter 3: To change ticket at venue price

Enter 4: To add tickets by phone

Enter 5: To add tickets at the venue

Enter 6: To find out how many tickets are remaining

Enter 7: To find out how many total tickets have been sold

Enter 8: To change the venue's capacity

Enter 9: To start a new concert

Enter 0: To Quit

Enter the new capacity

500

Currently the concert featuring the band Bob's Band

Has sold 0 tickets by phone

Has sold 0 tickets at the venue

And has grossed $0.0

What would you like to do?

Enter 1: To change name

Enter 2: To change ticket by phone price

Enter 3: To change ticket at venue price

Enter 4: To add tickets by phone

Enter 5: To add tickets at the venue

Enter 6: To find out how many tickets are remaining

Enter 7: To find out how many total tickets have been sold

Enter 8: To change the venue's capacity

Enter 9: To start a new concert

Enter 0: To Quit

Enter the new price by phone

Currently the concert featuring the band Bob's Band

Has sold 0 tickets by phone

Has sold 0 tickets at the venue

And has grossed $0.0

What would you like to do?

Enter 1: To change name

Enter 2: To change ticket by phone price

Enter 3: To change ticket at venue price

Enter 4: To add tickets by phone

Enter 5: To add tickets at the venue

Enter 6: To find out how many tickets are remaining

Enter 7: To find out how many total tickets have been sold

Enter 8: To change the venue's capacity

Enter 9: To start a new concert

Enter 0: To Quit

Enter the new price at the venue

Currently the concert featuring the band Bob's Band

Has sold 0 tickets by phone

Has sold 0 tickets at the venue

And has grossed $0.0

What would you like to do?

Enter 1: To change name

Enter 2: To change ticket by phone price

Enter 3: To change ticket at venue price

Enter 4: To add tickets by phone

Enter 5: To add tickets at the venue

Enter 6: To find out how many tickets are remaining

Enter 7: To find out how many total tickets have been sold

Enter 8: To change the venue's capacity

Enter 9: To start a new concert

Enter 0: To Quit

Enter a number of tickets to add by phone

200

Currently the concert featuring the band Bob's Band

Has sold 200 tickets by phone

Has sold 0 tickets at the venue

And has grossed $1000.0

What would you like to do?

Enter 1: To change name

Enter 2: To change ticket by phone price

Enter 3: To change ticket at venue price

Enter 4: To add tickets by phone

Enter 5: To add tickets at the venue

Enter 6: To find out how many tickets are remaining

Enter 7: To find out how many total tickets have been sold

Enter 8: To change the venue's capacity

Enter 9: To start a new concert

Enter 0: To Quit

Enter a number of tickets to add at the venue

200

Currently the concert featuring the band Bob's Band

Has sold 200 tickets by phone

Has sold 200 tickets at the venue

And has grossed $3000.0

What would you like to do?

Enter 1: To change name

Enter 2: To change ticket by phone price

Enter 3: To change ticket at venue price

Enter 4: To add tickets by phone

Enter 5: To add tickets at the venue

Enter 6: To find out how many tickets are remaining

Enter 7: To find out how many total tickets have been sold

Enter 8: To change the venue's capacity

Enter 9: To start a new concert

Enter 0: To Quit

Enter a number of tickets to add by phone

1000

The concert is sold out!

Currently the concert featuring the band Bob's Band

Has sold 200 tickets by phone

Has sold 200 tickets at the venue

And has grossed $3000.0

What would you like to do?

Enter 1: To change name

Enter 2: To change ticket by phone price

Enter 3: To change ticket at venue price

Enter 4: To add tickets by phone

Enter 5: To add tickets at the venue

Enter 6: To find out how many tickets are remaining

Enter 7: To find out how many total tickets have been sold

Enter 8: To change the venue's capacity

Enter 9: To start a new concert

Enter 0: To Quit

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