2- Write a CarParking class to model a multistory car parking building. This class should contain a 3-dimensional array of type Vehicle. The third dimension of the array simply represents the number offloors of the building while the first and second dimensions are the number of rows and columns in everyfloor. By default, there are 3 floors, 7 rows and 7 columns in a building. However, the user should be ableto specify the maximum number of floors, rows and columns at the time of creating a CarParking object.In addition to the constructors, this class should provide the following methods:Opublic boolean isOccupied (int floor, int row, int col) this method returns true if the locationspecified by the floor, row and column is already occupied by a vehicle.public void add (Vehicle v) this method will add the vehicle at the next empty slot. Slots are fieldrow by row (from left to right) starting from the ground floor.public Vehicle remove (int floor, int row, int col, double rate) this method to removes thevehicle at the specified location and returns the parking fee. The fee is calculated by multiplyingthe rate by the duration (in minutes). Drivers will receive 5% discount per floor other than theground floor. If the location is not occupied, the method returns zero.OOpublic double getTotalExpectedRevenue(double[] rates, Date exitTime) this methodcalculates the total expected revenue if all cars exit the building at the given exitTime. The ratesarray will contain an element for every vehicle type (Sedan, SUV, Truck).o public int getVehicle Count(String type, int floor) this method finds and returns the total numberof cars for a given type in a given floor.public double get Revenue (String type, int floor, double rate) this method finds and returnsthe total revenue of a given car type in a given floor for a given rate.public boolean canOrganizeByType ( this method should return true if it is possible toaccommodate all cars of the same type in separate floors.OOO3- Write a Java program that uses the CarParking class and the Vehicle class to simulate a car parkingbuilding. The program should start by constructing a CarParking object. The user should then be presentedwith a menu to select one of the following actions:●●Add a vehicle: This option constructs a vehicle object and adds it to the parking. The user shouldbe required to enter the vehicle type.Remove a vehicle: This option removes a vehicle from the building and display its the parkingfees. The user should be prompted to enter the location and the rate.Display statistics: this option will show a summary including:i. Total expected revenueii. Number of sedans, SUVs and trucks per flooriii. Revenue of sedans, SUVs and trucks per flooriv. Number of empty slots per floorCheck arrangement: as a result of this selection the program should display one of the followingmessages :i. Cars can be arranged based on their typeii. Not possible to rearrange cars based on their type.Exit the program: This option will terminate the program- Hints:1- Use the java.util.Date class to represent the time. This class contain several methods that allow you tofind for example the time difference in minutes between any two times. 1. Introduction:In crowded cities, it's very crucial to provide enough parking spaces for vehicles. These are usually multistorybuildings where each floor is divided into rows and columns. Drivers can park their cars in exchange for somefees. A single floor can be modeled as a two-dimensional array of rows and columns. A building consists ofseveral floors. See Figure 1 for an illustration.Figure 1: A Multistory car parking2. To Do:1- Write a Java class that models a Vehicle. There are three types of vehicles (Sedan, SUV, Truck). Everyvehicle object should also contain an instance variable that can be used to store the time at which thevehicle has entered the car parking building (Hint: use the java.util.Date class to represent the time). Inaddition to the constructors, you should provide the following methods:public double getDuration(Date exitTime) this method will return the duration (in minutes) fromthe time the vehicle entered the parking until the given exitTime.public String getType() this method will return either Sedan or SUV or Truck based on the vehicletype.-public void setType(String type) this method will set the type of the vehicle to either Sedan or SUVor Truck.public void setEntryTime(Date entry Time) this method will set the time at which the vehicle hasentered the parking.

Step 1: Declare class Vehicle with fields, type and entryTime. Step 2: Define getters, setters and…

Write a CarParking class to model a multistory car parking building. This class should contain a 3- dimensional array of type Vehicle. The third dimension of the array simply represents the number of floors of the building while the first and second dimensions are the number of rows and columns in every floor. By default, there are 3 floors, 7 rows and 7 columns in a building. However, the user should be able to specify the maximum number of floors, rows and columns at the time of creating a CarParking object. In addition to the constructors, this class should provide the following methods: o public boolean isOccupied (int floor, int row, int col) this method returns true if the location specified by the floor, row and column is already occupied by a vehicle. o public void add (Vehicle v) this method will add the vehicle at the next empty slot. Slots are field row by row (from left to right) starting from the ground floor. o public Vehicle remove (int floor, int row, int col, double rate) this method to removes the vehicle at the specified location and returns the parking fee. The fee is calculated by multiplying the rate by the duration (in minutes). Drivers will receive 5% discount per floor other than the ground floor. If the location is not occupied, the method returns zero. public double getTotalExpectedRevenue(double[] rates, Date exitTime) this method calculates the total expected revenue if all cars exit the building at the given exitTime. The rates array will contain an element for every vehicle type (Sedan, SUV, Truck). public int getVehicleCount(String type, int floor) this method finds and returns the total number of cars for a given type in a given floor. o public double getRevenue (String type, int floor, double rate) this method finds and returns the total revenue of a given car type in a given floor for a given rate. o public boolean canOrganizeByType ( this method should return true if it is possible to accommodate all cars of the same type in separate floors.