I have to use polymorphism and object oriented programming to write this code. Can someone please help me improve this code I have. The remaining code is in the pictures. Any help is appreciated. Thank You! The simulation should have 4 types of Passengers: Standard: This is the most common type of passenger and has a request percentage of 70%. Standard passengers have no special requirements. VIP: This type of passenger has a request percentage of 10%. VIP passengers are given priority and are more likely to be picked up by express elevators. Freight: This type of passenger has a request percentage of 15%. Freight passengers have large items that need to be transported and are more likely to be picked up by freight elevators. Glass: This type of passenger has a request percentage of 5%. Glass passengers have fragile items that need to be transported and are more likely to be picked up by glass elevators. The simulation should also have 4 types of Elevators: StandardElevator: This is the most common type of elevator and has a request percentage of 70%. Standard elevators have a maximum capacity of 10 passengers. ExpressElevator: This type of elevator has a request percentage of 20%. Express elevators have a maximum capacity of 8 passengers and are faster than standard elevators. FreightElevator: This type of elevator has a request percentage of 5%. Freight elevators have a maximum capacity of 5 passengers and are designed to transport heavy items. GlassElevator: This type of elevator has a request percentage of 5%. Glass elevators have a maximum capacity of 6 passengers and are designed to transport fragile items. Sample Input File Should look like this: # Building parameters floors=30 # Passengers to add to floors add_passenger 1 6 25 Standard 30 add_passenger 2 2 28 VIP 10 add_passenger 3 7 15 Freight 20 add_passenger 4 4 20 Glass 15 # Elevator types elevator_type StandardElevator 10 40 elevator_type ExpressElevator 8 25 elevator_type FreightElevator 5 20 elevator_type GlassElevator 6 15 # Percentage of passenger requests for each elevator type request_percentage StandardElevator 70 request_percentage ExpressElevator 20 request_percentage FreightElevator 5 request_percentage GlassElevator 5 # Percentage of passenger requests for each passenger type passenger_request_percentage Standard 70 passenger_request_percentage VIP 10 passenger_request_percentage Freight 15 passenger_request_percentage Glass 5 # Number of elevators in the system number_of_elevators 8 # Run simulation for 60 iterations run_simulation 60 The project should include these classes: public class SimulatorSettings { SimulatorSettings(String fileName){ } private int nofloors; public int getNofloors() { return nofloors; } public void setNofloors(int nofloors) { this.nofloors = nofloors; } } public abstract class Passenger { public static int passangerCounter = 0; private String passengerID; protected int startFloor; protected int endFloor; Passenger(){ this.passengerID = ""+passangerCounter; passangerCounter++; } public abstract boolean requestElevator(SimulatorSettings settings); } public class StandardPassenger extends Passenger{ private String type; public StandardPassenger() { } public boolean requestElevator(SimulatorSettings settings){ Random rand = new Random(); this.startFloor = rand.nextInt()% settings.getNofloors(); this.endFloor = rand.nextInt() % settings.getNofloors(); while(this.startFloor == this.endFloor){ this.endFloor = rand.nextInt() % settings.getNofloors(); } return true; } } public class VipPassenger extends Passenger { public VipPassenger() { super(); } @Override public boolean requestElevator(SimulatorSettings settings) { // Request an express elevator int expressElevator = settings.getNofloors() / 2; this.startFloor = expressElevator; this.endFloor = expressElevator; return true; } } public class FreightPassenger extends Passenger { public FreightPassenger() { super(); } @Override public boolean requestElevator(SimulatorSettings settings) { Random rand = new Random(); this.startFloor = rand.nextInt(settings.getNofloors()); this.endFloor = rand.nextInt(settings.getNofloors()); while (this.startFloor == this.endFloor) { this.endFloor = rand.nextInt(settings.getNofloors()); } return true; } }

I have to use polymorphism and object oriented programming to write this code. Can someone please help me improve this code I have. The remaining code is in the pictures. Any help is appreciated. Thank You! The simulation should have 4 types of Passengers: Standard: This is the most common type of passenger and has a request percentage of 70%. Standard passengers have no special requirements. VIP: This type of passenger has a request percentage of 10%. VIP passengers are given priority and are more likely to be picked up by express elevators. Freight: This type of passenger has a request percentage of 15%. Freight passengers have large items that need to be transported and are more likely to be picked up by freight elevators. Glass: This type of passenger has a request percentage of 5%. Glass passengers have fragile items that need to be transported and are more likely to be picked up by glass elevators. The simulation should also have 4 types of Elevators: StandardElevator: This is the most common type of elevator and has a request percentage of 70%. Standard elevators have a maximum capacity of 10 passengers. ExpressElevator: This type of elevator has a request percentage of 20%. Express elevators have a maximum capacity of 8 passengers and are faster than standard elevators. FreightElevator: This type of elevator has a request percentage of 5%. Freight elevators have a maximum capacity of 5 passengers and are designed to transport heavy items. GlassElevator: This type of elevator has a request percentage of 5%. Glass elevators have a maximum capacity of 6 passengers and are designed to transport fragile items. Sample Input File Should look like this: # Building parameters floors=30 # Passengers to add to floors add_passenger 1 6 25 Standard 30 add_passenger 2 2 28 VIP 10 add_passenger 3 7 15 Freight 20 add_passenger 4 4 20 Glass 15 # Elevator types elevator_type StandardElevator 10 40 elevator_type ExpressElevator 8 25 elevator_type FreightElevator 5 20 elevator_type GlassElevator 6 15 # Percentage of passenger requests for each elevator type request_percentage StandardElevator 70 request_percentage ExpressElevator 20 request_percentage FreightElevator 5 request_percentage GlassElevator 5 # Percentage of passenger requests for each passenger type passenger_request_percentage Standard 70 passenger_request_percentage VIP 10 passenger_request_percentage Freight 15 passenger_request_percentage Glass 5 # Number of elevators in the system number_of_elevators 8 # Run simulation for 60 iterations run_simulation 60 The project should include these classes: public class SimulatorSettings { SimulatorSettings(String fileName){ } private int nofloors; public int getNofloors() { return nofloors; } public void setNofloors(int nofloors) { this.nofloors = nofloors; } } public abstract class Passenger { public static int passangerCounter = 0; private String passengerID; protected int startFloor; protected int endFloor; Passenger(){ this.passengerID = ""+passangerCounter; passangerCounter++; } public abstract boolean requestElevator(SimulatorSettings settings); } public class StandardPassenger extends Passenger{ private String type; public StandardPassenger() { } public boolean requestElevator(SimulatorSettings settings){ Random rand = new Random(); this.startFloor = rand.nextInt()% settings.getNofloors(); this.endFloor = rand.nextInt() % settings.getNofloors(); while(this.startFloor == this.endFloor){ this.endFloor = rand.nextInt() % settings.getNofloors(); } return true; } } public class VipPassenger extends Passenger { public VipPassenger() { super(); } @Override public boolean requestElevator(SimulatorSettings settings) { // Request an express elevator int expressElevator = settings.getNofloors() / 2; this.startFloor = expressElevator; this.endFloor = expressElevator; return true; } } public class FreightPassenger extends Passenger { public FreightPassenger() { super(); } @Override public boolean requestElevator(SimulatorSettings settings) { Random rand = new Random(); this.startFloor = rand.nextInt(settings.getNofloors()); this.endFloor = rand.nextInt(settings.getNofloors()); while (this.startFloor == this.endFloor) { this.endFloor = rand.nextInt(settings.getNofloors()); } return true; } }

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ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

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Section: Chapter Questions

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Help, I making a elevator simulator. I have to use polymorphism and object oriented programming to write this code. Can someone please help me improve this code I have. The remaining code is in the pictures. Any help is appreciated. Thank You!

The simulation should have 4 types of Passengers:

Standard: This is the most common type of passenger and has a request percentage of 70%. Standard passengers have no special requirements.

VIP: This type of passenger has a request percentage of 10%. VIP passengers are given priority and are more likely to be picked up by express elevators.

Freight: This type of passenger has a request percentage of 15%. Freight passengers have large items that need to be transported and are more likely to be picked up by freight elevators.

Glass: This type of passenger has a request percentage of 5%. Glass passengers have fragile items that need to be transported and are more likely to be picked up by glass elevators.

The simulation should also have 4 types of Elevators:

StandardElevator: This is the most common type of elevator and has a request percentage of 70%. Standard elevators have a maximum capacity of 10 passengers.

ExpressElevator: This type of elevator has a request percentage of 20%. Express elevators have a maximum capacity of 8 passengers and are faster than standard elevators.

FreightElevator: This type of elevator has a request percentage of 5%. Freight elevators have a maximum capacity of 5 passengers and are designed to transport heavy items.

GlassElevator: This type of elevator has a request percentage of 5%. Glass elevators have a maximum capacity of 6 passengers and are designed to transport fragile items.

Sample Input File Should look like this:

# Building parameters

floors=30

# Passengers to add to floors

add_passenger 1 6 25 Standard 30

add_passenger 2 2 28 VIP 10

add_passenger 3 7 15 Freight 20

add_passenger 4 4 20 Glass 15

# Elevator types

elevator_type StandardElevator 10 40

elevator_type ExpressElevator 8 25

elevator_type FreightElevator 5 20

elevator_type GlassElevator 6 15

# Percentage of passenger requests for each elevator type

request_percentage StandardElevator 70

request_percentage ExpressElevator 20

request_percentage FreightElevator 5

request_percentage GlassElevator 5

# Percentage of passenger requests for each passenger type

passenger_request_percentage Standard 70

passenger_request_percentage VIP 10

passenger_request_percentage Freight 15

passenger_request_percentage Glass 5

# Number of elevators in the system

number_of_elevators 8

# Run simulation for 60 iterations

run_simulation 60

The project should include these classes:

public class SimulatorSettings {

SimulatorSettings(String fileName){

}

private int nofloors;

public int getNofloors() {

return nofloors;

}

public void setNofloors(int nofloors) {

this.nofloors = nofloors;

}

public abstract class Passenger {

public static int passangerCounter = 0;

private String passengerID;

protected int startFloor;

protected int endFloor;

Passenger(){

this.passengerID = ""+passangerCounter;

passangerCounter++;

}

public abstract boolean requestElevator(SimulatorSettings settings);

}

public class StandardPassenger extends Passenger{

private String type;

public StandardPassenger() {

}

public boolean requestElevator(SimulatorSettings settings){

Random rand = new Random();

this.startFloor = rand.nextInt()% settings.getNofloors();

this.endFloor = rand.nextInt() % settings.getNofloors();

while(this.startFloor == this.endFloor){

this.endFloor = rand.nextInt() % settings.getNofloors();

}

return true;

}

public class VipPassenger extends Passenger {

public VipPassenger() {

super();

}

@Override

public boolean requestElevator(SimulatorSettings settings) {

// Request an express elevator

int expressElevator = settings.getNofloors() / 2;

this.startFloor = expressElevator;

this.endFloor = expressElevator;

return true;

}

public class FreightPassenger extends Passenger {

public FreightPassenger() {

super();

}

@Override

public boolean requestElevator(SimulatorSettings settings) {

Random rand = new Random();

this.startFloor = rand.nextInt(settings.getNofloors());

this.endFloor = rand.nextInt(settings.getNofloors());

while (this.startFloor == this.endFloor) {

this.endFloor = rand.nextInt(settings.getNofloors());

}

return true;

}

public class GlassPassenger extends Passenger {
public Glass Passenger() {
super();
}
}
@Override
public boolean requestElevator(SimulatorSettings settings) {
Random rand-new Random();
this.startFloor = rand.nextInt(settings.getNofloors());
this.endFloor = rand.nextInt(settings.getNofloors());
while (this.startFloor ==this.endFloor){
this.endFloor = rand.nextInt(settings.getNofloors());
}
}
public abstract class Elevator {
private int currentFloor;
}
return true;
private int maxCapacity:
private int passengersCount;
public Elevator(int maxCapacity) {
this.currentFloor = 0; // assuming initial floor is o
this.maxCapacity=maxCapacity:
this passengersCount = 0;
}
public abstract void moveUp();
public abstract void moveDown();
public abstract void addPassenger(Passenger passenger);
public abstract void removePassenger(Passenger passenger);
}
public class Standard Elevator extends Elevator
public Standard Elevator() {
super(10); // max capacity is 10 for StandardElevator
}
@Override
public void moveUp()
// implementation for moving up for StandardElevator
}
@Override
public void moveDown() {
// implementation for moving down for StandardElevator
}
@Override
public void addPassenger(Passenger passenger) {
// implementation for adding passenger to Standard Elevator
}
@Override
public void removePassenger(Passenger passenger) {
// implementation for removing passenger from StandardElevator
}
public class FreightElevator extends Elevator
public FreightElevator() {
super(4):
}
@Override
public void moveUp() {

// implementation for moving up for Standard Elevator
}
@Override
public void moveDown() {
// implementation for moving down for Standard Elevator
}
@Override
public void addPassenger(Passenger passenger) {
// implementation for adding passenger to StandardElevator
}
@Override
public void removePassenger(Passenger passenger) {
// implementation for removing passenger from StandardElevator
}
}
public class GlassElevator extends Elevator
public GlassElevator() {
super(8);
}
@Override
public void moveUp() {
// implementation for moving up for Standard Elevator
}
@Override
public void moveDown() {
// implementation for moving down for Standard Elevator
}
@Override
public void addPassenger(Passenger passenger) {
// implementation for adding passenger to StandardElevator
}
@Override
public void removePassenger(Passenger passenger) {
// implementation for removing passenger from Standard Elevator
}
public class ExpressElevator extends Elevator
public Express Elevator() {
super(8); // max capacity is 8 for Express Elevator
@Override
public void moveUp() {
// implementation for moving up for Express Elevator
}
@Override
public void moveDown() {
// implementation for moving down for Express Elevator
}
@Override
public void addPassenger(Passenger passenger) {
// implementation for adding passenger to Express Elevator
}
@Override
public void removePassenger(Passenger passenger) {
// implementation for removing passenger from Express Elevator
}

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