The Java language uses functions and arrays to solve the following question.

(car booking system)

Executing the project begins with printing the main menu:

1.Log in as an administrator.

2. Entering as a tenant.

3. Exit.

Login as administrator:

The program asks to enter a username and password

If the user name is not admin and the password is 10002000, an error message is displayed stating that

There is an error in the username or password and the following menu is displayed:

1. Try again.

2. Return to the main menu.

Otherwise, a greeting is displayed and the list of administrators is shown:

A. tenants.

B.Auto.

C.exit.

If operation A is selected, the program displays the following list:

1. Add a tenant.

2. View tenants.

3. Searching for a tenant.

4. Modification of tenant data.

5. Delete a tenant.

If process number 1 is selected, the program requests the following information to be entered:

The name of the tenant

ID Number

the address

The amount of money

If the addition is successful, the following list will be displayed:

1. Repeat the process.

2. Refer to the list of administrators.

If process number 2 is chosen, the program will do the following:

The tenants' data (tenant's name, identity number, address, money amount, and car number) are displayed

that have been rented.

In the event that there are no tenants, a message is printed stating this.

After completing the process, you will be returned to the Administrator menu.

If operation number 3 is selected, the program will do the following:

Request to enter the ID number of the tenant to be searched for.

In the event that this account exists, the tenant's data will be displayed, otherwise a message will be printed stating that it is not

A tenant owns this number.

Display the following list if the operation was successful:

1. Repeat the process.

2. Refer to the list of administrators.

If operation number 4 is selected, the program will do the following:

The ID number is entered.

In the event that this tenant exists, the new data is entered for updating (name, identification number, address,

money amount (

Otherwise, a message will be printed stating that there is no account that owns this number.

Display the following list if the modification process was successful:

1. Repeat the process.

2. Refer to the list of administrators.

If operation number 5 is selected, the program will do the following:

The ID number is entered.

If this tenant exists, it will be deleted, otherwise a message will be printed stating that there is no account owned

this number.

Display the following list if the modification process was successful:

1. Repeat the process.

2. Refer to the list of administrators.

If operation B is selected, the program displays the following menu:

1. Add a car.

2 .auto show.

3. Find a car.

4. Modification of car data.

5. Delete a car.

If process number 1 is selected, the program requests the following information to be entered:

Type of car.

car number.

Quantity Available.

Rental price.

If the addition is successful, the following list will be displayed:

1. Repeat the process.

2. Refer to the list of administrators.

If operation number 2 is selected, the program will do the following:

Available vehicle data is displayed.

In the absence of cars, a message will be printed explaining this.

After completing the process, you will be returned to the Administrator menu.

If operation number 3 is selected, the program will do the following:

Request to enter the vehicle number to be searched for.

If this car exists, the car data will be displayed, otherwise a message stating that it does not exist will be printed

A car that has this number.

Display the following list if the operation was successful:

1. Repeat the process.

2. Refer to the list of administrators.

If operation number 4 is selected, the program will do the following:

The vehicle number is entered.

In the event that this tenant exists, the new data is entered for updating (car type, car number, quantity

available, rental price)

Otherwise, a message will be printed stating that there is no car with this number.

Display the following list if the modification process was successful:

1. Repeat the process.

2. Refer to the list of administrators.

If operation number 5 is selected, the program will do the following:

The vehicle number is entered.

If this car exists, it will be deleted, otherwise a message will be printed stating that there is no car that owns this

the number.

Display the following list if the modification process was successful:

1. Repeat the process.

2. Refer to the list of administrators.

If operation number C is selected, the program will print a leaving message and return to the main menu.

Entering as a tenant:

The program asks for the ID number

If this account exists, the program displays the list of users:

1. Book a car.

2. Returning a car.

3. Exit.

If operation number 1 is selected, the program will print all available vehicle data.

Type of car.

car number.

Quantity Available.

Rental price.

Then the program does the following:

The user is required to enter the car number that he wants to rent

If the amount of money in the user's account is sufficient & the number of cars is available & the user has not booked

The reservation process is completed successfully, otherwise an error message is displayed.

car already

View the following list:

1. Repeat the process.

2. Refer to the list of tenants.

(Warning, when booking any car, the change is made to the available quantity of the car that was booked, as the

The quantity will decrease and the renter can book only one car.)

If operation number 2 is selected, the program will do the following:

The user is required to enter the vehicle number that he wants to return

If the vehicle is present, the return process is successful, otherwise an error message is displayed.

View the following list:

1. Repeat the process.

2. Return to the user list.

(Warning when returning any car, the change is made to the available quantity of the car that was returned, as the

quantity will increase)

If operation number 3 is selected, the program will print a leaving message and return to the main menu.

Exit:

Program termination.

Important notes:

You must use functions and matrices