class Instance Variables An array that stores Aircraft that represents Delta Airlines entire fleet A variable that represents the count for the number of aircraft in the fleet Methods Constructor-One constructor that instantiates the array and sets the count to zero readfile()-This method accepts a string that represents the name of the file to be read. It will then read the file. Once the data is read, it should create aircraft and then pass the vehicle to the addAircraft roethod. It should not allow any duplication of records. Be sure to handle all exceptions. writeFile()-This method accepts a string that represents the name of the file to be written to and then writes the contents of the array to a file. This method should call a sort method to sort the array before writing to it. sortArray) This method retures a sorted array. The array is sorted by registration number u addAircraft-This method accepts an aircraft and adds it to the fleet(the array only if it is not already in the list. displayfleet)-This method outputs all of the ships and shuttles that are in the fleet o display Maintenancelist()- This method outputs all aircraft in the array that currently require maintenance, either by miles or date. o displayNextMaintenancetist() This method outputs all aircraft in the fleet by name, manufacturer, model, next maintenance date, and next maintenance miles updateMiles) This method accepts a regNumber and miles and updates the total miles for the designated aircraft based on regNumber o update Maintenance()- This method accepts a regNumber and changes the lastMaintenance date to the current date and resets last maintenance mileage
class Instance Variables An array that stores Aircraft that represents Delta Airlines entire fleet A variable that represents the count for the number of aircraft in the fleet Methods Constructor-One constructor that instantiates the array and sets the count to zero readfile()-This method accepts a string that represents the name of the file to be read. It will then read the file. Once the data is read, it should create aircraft and then pass the vehicle to the addAircraft roethod. It should not allow any duplication of records. Be sure to handle all exceptions. writeFile()-This method accepts a string that represents the name of the file to be written to and then writes the contents of the array to a file. This method should call a sort method to sort the array before writing to it. sortArray) This method retures a sorted array. The array is sorted by registration number u addAircraft-This method accepts an aircraft and adds it to the fleet(the array only if it is not already in the list. displayfleet)-This method outputs all of the ships and shuttles that are in the fleet o display Maintenancelist()- This method outputs all aircraft in the array that currently require maintenance, either by miles or date. o displayNextMaintenancetist() This method outputs all aircraft in the fleet by name, manufacturer, model, next maintenance date, and next maintenance miles updateMiles) This method accepts a regNumber and miles and updates the total miles for the designated aircraft based on regNumber o update Maintenance()- This method accepts a regNumber and changes the lastMaintenance date to the current date and resets last maintenance mileage
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:o display Aircraft()- This method accepts a regNumber and searches the array for an
aircraft that matches that regNumber and displays the information about that
vehicle.
o removeAircraft()- This method accepts a regNumber and searches the array for that
aircraft. For each item that doesn't match, it will copy the contents to the new
array. It will not copy the contents of the aircraft that is found. In other words, all
aircraft in the array will be moved up a position to fill in the gap in the array.
nu class:
stance Variables:
o An array that stores all of the menu item options
Transcribed Image Text:Fleet class:
Instance Variables
An array that stores Aircraft that represents Delta Airlines entire fleet
A variable that represents the count for the number of aircraft in the fleet
Methods:
o Constructor-One constructor that instantiates the array and sets the count to aero
readFile()-This method accepts a string that represents the name of the file to be
read. It will then read the file. Once the data is read, it should create an aircraft and
then pass the vehicle to the addAircraft method. It should not allow any duplication
of records. Be sure to handle all exceptions.
o writeFile()-This method accepts a string that represents the name of the file to be
written to and then writes the contents of the array to a file. This method should
call a sort method to sort the amay before writing to it.
sortArray()-This method returns a sorted array. The array is sorted by registration
number.u
addAircraft- This method accepts an aircraft and adds it to the fleet(the array only
if it is not already in the list.
displayFleet)-This method outputs all of the ships and shuttles that are in the fleet.
o display Maintenancetist()-This method outputs all aircraft in the array that currently
require maintenance, either by miles or date.
o displayNextMaintenancetist() This method outputs all aircraft in the fleet by
name, manufacturer, model, next maintenance date, and next maintenance miles
o updateMiles) This method accepts a regNumber and miles and updates the total
miles for the designated aircraft based on regNumber
update Maintenance()- This method accepts a regNumber and changes the
lastMaintenance date to the current date and resets last maintenance mileage
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