много вариантов перепробовал НО не выходит :)
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 void fill (double numberOfLiters) throws Exception {
if (numberOfLiters < 0)
throw new Exception();
fuel += numberOfLiters;
}
public double getTripConsumption(Date date, int length, Date SummerStart, Date SummerEnd) {
if (!isSummer(date, SummerStart, SummerEnd)) {
return getWinterConsumption(length);
} else {
return getSummerConsumption(length);}
}
public boolean isSummer (Date date, Date summerStart, Date summerEnd){
if (date.after(summerStart)&&date.before(summerEnd)){
return true;
}else
return false;
}
public double getWinterConsumption (int length) {
return length * winterFuelConsumption + winterWarmingUp;
}
public double getSummerConsumption(int length) {
return length * summerFuelConsumption;
}
private boolean canPassengersBeTransferred() {
if (isDriverAvailable() && fuel > 0) {return true; }
else { return false; }
}
public int getNumberOfPassengersCanBeTransferred() {
if (!canPassengersBeTransferred() && fuel <= 0)
return 0;
/* if (fuel <= 0)
return 0;*/
return numberOfPassengers;
}
public boolean isDriverAvailable() {
return driverAvailable;
}
public void setDriverAvailable(boolean driverAvailable) {
this.driverAvailable = driverAvailable;
}
public void startMoving() {
if (numberOfPassengers > 0 ) {
fastenPassengersBelts();
fastenDriverBelt();}
else
fastenDriverBelt();
}
public void fastenPassengersBelts() {
}
public void fastenDriverBelt() {
}
public abstract int getMaxSpeed();
public static Car create(int type, int numberOfPassengers){
Car car = null;
if(type == TRUCK){
car = new Truck( numberOfPassengers);
} else if(type == CABRIOLET){
car = new Cabriolet(numberOfPassengers);
} else if(type == SEDAN){
car = new Sedan( numberOfPassengers);
}
return car;
}
}