не принимает переопределённые методы getMaxSpeed()
просто издевательство какое-то..
package com.javarush.task.task29.task2909.car;
import java.util.Date;
public abstract class Car {
static public final int TRUCK = 0;
static public final int SEDAN = 1;
static public final int CABRIOLET = 2;
double fuel;
public double summerFuelConsumption;
public double winterFuelConsumption;
public double winterWarmingUp;
private int type;
private boolean driverAvailable;
private int numberOfPassengers;
protected Car(int type, int numberOfPassengers) {
this.type = type;
this.numberOfPassengers = numberOfPassengers;
}
public static Car create(int type, int numberOfPassengers) {
switch (type) {
case TRUCK: return new Truck(numberOfPassengers);
case SEDAN: return new Sedan(numberOfPassengers);
case CABRIOLET: return new Cabriolet(numberOfPassengers);
}
return null;
}
public void fill(double numberOfLiters) throws Exception {
if (numberOfLiters < 0)
throw new Exception();
fuel += numberOfLiters;
}
public boolean isSummer(Date date, Date summerStart, Date summerEnd) {
long d = date.getTime();
long start = summerStart.getTime();
long end = summerEnd.getTime();
return (d>=start && d<=end);
}
public double getSummerConsumption(int length) {
return length * summerFuelConsumption;
}
public double getWinterConsumption(int length) {
return length * winterFuelConsumption + winterWarmingUp;
}
public double getTripConsumption(Date date, int length, Date summerStart, Date summerEnd) {
if (isSummer(date, summerStart, summerEnd)) {
return getSummerConsumption(length);
} else {
return getWinterConsumption(length);
}
}
private boolean canPassengersBeTransferred() {
if (isDriverAvailable() && fuel>0)
return true;
return false;
}
public int getNumberOfPassengersCanBeTransferred() {
if (canPassengersBeTransferred())
return numberOfPassengers;
return 0;
}
public boolean isDriverAvailable() {
return driverAvailable;
}
public void setDriverAvailable(boolean driverAvailable) {
this.driverAvailable = driverAvailable;
}
public void startMoving() {
fastenDriverBelt();
if (numberOfPassengers > 0)
fastenPassengersBelts();
}
public void fastenPassengersBelts() {
}
public void fastenDriverBelt() {
}
public abstract int getMaxSpeed();
}