Question

Assignment 4 Due Mar 22 by 11:59pmPoints 100 Submitting a file upload A4 OOP 2 "Car Instrument Simulator" Access A4 from pdf assignment file & Turn in the following files: a4main.java FuelGauge.java Odometer.java program compile and run screenshots design document (including UML)

Answer 1

FuelGauge.Java :

package packages_example;

public class FuelGauge {
    // class members
    private double fuel;
    // constructors
    public FuelGauge() {
        fuel = 0;
    }
    public FuelGauge(double fuel) {
        this.fuel = fuel;
    }
    // get and print fuel
    public double getFuel() {
        return fuel;
    }
    public void printFuel() {
        System.out.println("Current Fuel: " + getFuel());
    }
    // increment fuel
    public void addFuel() {
        if (fuel >= 15) {
            System.out.println("Fuel tank is full.");
            return;
        }
        fuel += 1;
    }
    // decrement fuel
    public void useFuel() {
        if (fuel <= 0) {
            System.out.println("Fuel empty!!");
            return;
        }
        else fuel -= 1;
    }
}

Odometer.java:

package packages_example;

public class Odometer {
    // class members
    private double mileage;
    // constructors
    public Odometer() {
        mileage = 0;
    }
    public Odometer(double mileage) {
        this.mileage = mileage;
    }
    // get and print mileage
    public double getMileage() {
        return mileage;
    }
    public void printMileage() {
        System.out.println("The current mileage is : " + getMileage());
    }
    // increment mileage and decrement fuel, simulates running of the car
    public boolean incrementMileage(FuelGauge g){
        if (g.getFuel() <= 0) {
            System.out.println("Out of fuel!!");
            return false;
        }
        else {
            mileage += 1;
            if (mileage >= 999999)
                mileage = 0;
            if (mileage % 24 == 0) {
                g.useFuel();
            }
            return true;
        }
    }
}

Main.java:

package packages_example;

import java.util.Scanner;

public class main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        // create fuel object
        FuelGauge gauge = new FuelGauge();
        // get amount of fuel
        System.out.print("Enter amount to fuel to fill: ");
        double fuel = scan.nextDouble();
        // add fuel to the vehicle and print it 
        for (int i = 1; i <= fuel; i++) {
            gauge.addFuel();
        }
        gauge.printFuel();
        // create odometer object
        Odometer o = new Odometer();
        boolean counter = true;
        // increase mileage till the car runs out of fuel
        do {
            counter = o.incrementMileage(gauge);
            o.printMileage();
            gauge.printFuel();
        }while (counter);
    }
}

Sample Output:

Enter amount to fuel to fill: Current Fuel: 1.0 The current mileage is 1.0 Current Fuel: 1.0 The current mileage is 2.0 Current Fuel: 1.0 The current mileage is 3. Current Fuel: 1.0 The current mileage is : 4.0 Current Fuel: 1.0 The current mileage is : 5.0 Current Fuel: 1.0 The current mileage is6.0 Current Fuel: 1.0 The current mileage is 7.0 Current Fuel: 1.0 The current mileage is 8.0 Current Fuel: 1.0 The current mileage is 9. Current Fuel: 1.0 The current mileage is 10.0 Current Fuel: 1.0 The current mileage is11.0 Current Fuel: 1.0 The current mileage is 12.0 Current Fuel: 1.0 The current mileage is 13.0 Current Fuel: 1.0 The current mileage is 14.0 Current Fuel: 1.0 The current mileage is 15.0 Current Fuel: 1.0 The current mileage is 16.0 Current Fuel: 1.0 The current mileage is17.0 Current Fuel: 1.0 The current mileage is 18. Current Fuel: 1.0 The current mileage is 19.0

The current mileage is 17.0 Current Fuel: 1.0 The current mileage is 18.0 Current Fuel:1 The current mileage is 19.0 Current Fuel: 1.0 The current mileage is : 20.0 Current Fuel: 1.0 The current mileage is 21.0 Current Fuel:1 The current mileage is 22.0 Current Fuel: 1.0 The current mileage is 23.0 Current Fuel: 1.0 The current mileage is 24.0 Current Fuel: 0.0 Out of fuel!! The current mileage is 24.0 Current Fuel: 0.0 .0 .0

Answer 2

1.Odometer.java

package testprj;

/**
*
* @author xxx
*/
public class Odometer {

private double mileage;

private FuelGauge _fuelGauge;

private int maxLimit = 999999;

public Odometer(FuelGauge fuelGauge) {
this.mileage = 0;
_fuelGauge = fuelGauge;
}

public double getMileage() {
return this.mileage;
}

public void IncreaseMileage() {
this.mileage += 1;
if (this.mileage > this.maxLimit) {
this.mileage = 0;
}
if (this.mileage % 24 == 0) {
_fuelGauge.DecrementFuel();
}
}

}

2. FuelGauge.java

package testprj;

/**
*
* @author xxx
*/
public class FuelGauge {

private double fuelAmount;
private double capacity = 15;

public FuelGauge() {
fuelAmount = 0;
}

public double FuelAmount() {
return this.fuelAmount;
}

public void IncrementFuel() {
if (this.fuelAmount < this.capacity) {
this.fuelAmount += 1;
}
}

public void DecrementFuel() {
if (this.fuelAmount > 0) {
this.fuelAmount -= 1;
}
}

}

3.a4main.java

package testprj;

/**
*
* @author xxx
*/
public class a4main {

public static void main(String[] args) {
FuelGauge fueltank = new FuelGauge();
for (int i = 0; i < 15; i++) {
fueltank.IncrementFuel();
}
  
Odometer meter = new Odometer((fueltank));
  
while(true)
{
meter.IncreaseMileage();
System.out.println("Mileage : "+ String.format("%.1f", meter.getMileage()));
System.out.println("Fuel : "+String.format("%.1f", fueltank.FuelAmount()));
if(fueltank.FuelAmount()==0)
break;
}
  
  
}
}

output:

run:
Mileage : 1.0
Fuel : 15.0
Mileage : 2.0
Fuel : 15.0
Mileage : 3.0
Fuel : 15.0
Mileage : 4.0
Fuel : 15.0
Mileage : 5.0
Fuel : 15.0
Mileage : 6.0
Fuel : 15.0
Mileage : 7.0
Fuel : 15.0
Mileage : 8.0
Fuel : 15.0
Mileage : 9.0
Fuel : 15.0
Mileage : 10.0
Fuel : 15.0
Mileage : 11.0
Fuel : 15.0
Mileage : 12.0
Fuel : 15.0
Mileage : 13.0
Fuel : 15.0
Mileage : 14.0
Fuel : 15.0
Mileage : 15.0
Fuel : 15.0
Mileage : 16.0
Fuel : 15.0
Mileage : 17.0
Fuel : 15.0
Mileage : 18.0
Fuel : 15.0
Mileage : 19.0
Fuel : 15.0
Mileage : 20.0
Fuel : 15.0
Mileage : 21.0
Fuel : 15.0
Mileage : 22.0
Fuel : 15.0
Mileage : 23.0
Fuel : 15.0
Mileage : 24.0
Fuel : 14.0
Mileage : 25.0
Fuel : 14.0
Mileage : 26.0
Fuel : 14.0
Mileage : 27.0
Fuel : 14.0
Mileage : 28.0
Fuel : 14.0
Mileage : 29.0
Fuel : 14.0
Mileage : 30.0
Fuel : 14.0
Mileage : 31.0
Fuel : 14.0
Mileage : 32.0
Fuel : 14.0
Mileage : 33.0
Fuel : 14.0
Mileage : 34.0
Fuel : 14.0
Mileage : 35.0
Fuel : 14.0
Mileage : 36.0
Fuel : 14.0
Mileage : 37.0
Fuel : 14.0
Mileage : 38.0
Fuel : 14.0
Mileage : 39.0
Fuel : 14.0
Mileage : 40.0
Fuel : 14.0
Mileage : 41.0
Fuel : 14.0
Mileage : 42.0
Fuel : 14.0
Mileage : 43.0
Fuel : 14.0
Mileage : 44.0
Fuel : 14.0
Mileage : 45.0
Fuel : 14.0
Mileage : 46.0
Fuel : 14.0
Mileage : 47.0
Fuel : 14.0
Mileage : 48.0
Fuel : 13.0
Mileage : 49.0
Fuel : 13.0
Mileage : 50.0
Fuel : 13.0
Mileage : 51.0
Fuel : 13.0
Mileage : 52.0
Fuel : 13.0
Mileage : 53.0
Fuel : 13.0
Mileage : 54.0
Fuel : 13.0
Mileage : 55.0
Fuel : 13.0
Mileage : 56.0
Fuel : 13.0
Mileage : 57.0
Fuel : 13.0
Mileage : 58.0
Fuel : 13.0
Mileage : 59.0
Fuel : 13.0
Mileage : 60.0
Fuel : 13.0
Mileage : 61.0
Fuel : 13.0
Mileage : 62.0
Fuel : 13.0
Mileage : 63.0
Fuel : 13.0
Mileage : 64.0
Fuel : 13.0
Mileage : 65.0
Fuel : 13.0
Mileage : 66.0
Fuel : 13.0
Mileage : 67.0
Fuel : 13.0
Mileage : 68.0
Fuel : 13.0
Mileage : 69.0
Fuel : 13.0
Mileage : 70.0
Fuel : 13.0
Mileage : 71.0
Fuel : 13.0
Mileage : 72.0
Fuel : 12.0
Mileage : 73.0
Fuel : 12.0
Mileage : 74.0
Fuel : 12.0
Mileage : 75.0
Fuel : 12.0
Mileage : 76.0
Fuel : 12.0
Mileage : 77.0
Fuel : 12.0
Mileage : 78.0
Fuel : 12.0
Mileage : 79.0
Fuel : 12.0
Mileage : 80.0
Fuel : 12.0
Mileage : 81.0
Fuel : 12.0
Mileage : 82.0
Fuel : 12.0
Mileage : 83.0
Fuel : 12.0
Mileage : 84.0
Fuel : 12.0
Mileage : 85.0
Fuel : 12.0
Mileage : 86.0
Fuel : 12.0
Mileage : 87.0
Fuel : 12.0
Mileage : 88.0
Fuel : 12.0
Mileage : 89.0
Fuel : 12.0
Mileage : 90.0
Fuel : 12.0
Mileage : 91.0
Fuel : 12.0
Mileage : 92.0
Fuel : 12.0
Mileage : 93.0
Fuel : 12.0
Mileage : 94.0
Fuel : 12.0
Mileage : 95.0
Fuel : 12.0
Mileage : 96.0
Fuel : 11.0
Mileage : 97.0
Fuel : 11.0
Mileage : 98.0
Fuel : 11.0
Mileage : 99.0
Fuel : 11.0
Mileage : 100.0
Fuel : 11.0
Mileage : 101.0
Fuel : 11.0
Mileage : 102.0
Fuel : 11.0
Mileage : 103.0
Fuel : 11.0
Mileage : 104.0
Fuel : 11.0
Mileage : 105.0
Fuel : 11.0
Mileage : 106.0
Fuel : 11.0
Mileage : 107.0
Fuel : 11.0
Mileage : 108.0
Fuel : 11.0
Mileage : 109.0
Fuel : 11.0
Mileage : 110.0
Fuel : 11.0
Mileage : 111.0
Fuel : 11.0
Mileage : 112.0
Fuel : 11.0
Mileage : 113.0
Fuel : 11.0
Mileage : 114.0
Fuel : 11.0
Mileage : 115.0
Fuel : 11.0
Mileage : 116.0
Fuel : 11.0
Mileage : 117.0
Fuel : 11.0
Mileage : 118.0
Fuel : 11.0
Mileage : 119.0
Fuel : 11.0
Mileage : 120.0
Fuel : 10.0
Mileage : 121.0
Fuel : 10.0
Mileage : 122.0
Fuel : 10.0
Mileage : 123.0
Fuel : 10.0
Mileage : 124.0
Fuel : 10.0
Mileage : 125.0
Fuel : 10.0
Mileage : 126.0
Fuel : 10.0
Mileage : 127.0
Fuel : 10.0
Mileage : 128.0
Fuel : 10.0
Mileage : 129.0
Fuel : 10.0
Mileage : 130.0
Fuel : 10.0
Mileage : 131.0
Fuel : 10.0
Mileage : 132.0
Fuel : 10.0
Mileage : 133.0
Fuel : 10.0
Mileage : 134.0
Fuel : 10.0
Mileage : 135.0
Fuel : 10.0
Mileage : 136.0
Fuel : 10.0
Mileage : 137.0
Fuel : 10.0
Mileage : 138.0
Fuel : 10.0
Mileage : 139.0
Fuel : 10.0
Mileage : 140.0
Fuel : 10.0
Mileage : 141.0
Fuel : 10.0
Mileage : 142.0
Fuel : 10.0
Mileage : 143.0
Fuel : 10.0
Mileage : 144.0
Fuel : 9.0
Mileage : 145.0
Fuel : 9.0
Mileage : 146.0
Fuel : 9.0
Mileage : 147.0
Fuel : 9.0
Mileage : 148.0
Fuel : 9.0
Mileage : 149.0
Fuel : 9.0
Mileage : 150.0
Fuel : 9.0
Mileage : 151.0
Fuel : 9.0
Mileage : 152.0
Fuel : 9.0
Mileage : 153.0
Fuel : 9.0
Mileage : 154.0
Fuel : 9.0
Mileage : 155.0
Fuel : 9.0
Mileage : 156.0
Fuel : 9.0
Mileage : 157.0
Fuel : 9.0
Mileage : 158.0
Fuel : 9.0
Mileage : 159.0
Fuel : 9.0
Mileage : 160.0
Fuel : 9.0
Mileage : 161.0
Fuel : 9.0
Mileage : 162.0
Fuel : 9.0
Mileage : 163.0
Fuel : 9.0
Mileage : 164.0
Fuel : 9.0
Mileage : 165.0
Fuel : 9.0
Mileage : 166.0
Fuel : 9.0
Mileage : 167.0
Fuel : 9.0
Mileage : 168.0
Fuel : 8.0
Mileage : 169.0
Fuel : 8.0
Mileage : 170.0
Fuel : 8.0
Mileage : 171.0
Fuel : 8.0
Mileage : 172.0
Fuel : 8.0
Mileage : 173.0
Fuel : 8.0
Mileage : 174.0
Fuel : 8.0
Mileage : 175.0
Fuel : 8.0
Mileage : 176.0
Fuel : 8.0
Mileage : 177.0
Fuel : 8.0
Mileage : 178.0
Fuel : 8.0
Mileage : 179.0
Fuel : 8.0
Mileage : 180.0
Fuel : 8.0
Mileage : 181.0
Fuel : 8.0
Mileage : 182.0
Fuel : 8.0
Mileage : 183.0
Fuel : 8.0
Mileage : 184.0
Fuel : 8.0
Mileage : 185.0
Fuel : 8.0
Mileage : 186.0
Fuel : 8.0
Mileage : 187.0
Fuel : 8.0
Mileage : 188.0
Fuel : 8.0
Mileage : 189.0
Fuel : 8.0
Mileage : 190.0
Fuel : 8.0
Mileage : 191.0
Fuel : 8.0
Mileage : 192.0
Fuel : 7.0
Mileage : 193.0
Fuel : 7.0
Mileage : 194.0
Fuel : 7.0
Mileage : 195.0
Fuel : 7.0
Mileage : 196.0
Fuel : 7.0
Mileage : 197.0
Fuel : 7.0
Mileage : 198.0
Fuel : 7.0
Mileage : 199.0
Fuel : 7.0
Mileage : 200.0
Fuel : 7.0
Mileage : 201.0
Fuel : 7.0
Mileage : 202.0
Fuel : 7.0
Mileage : 203.0
Fuel : 7.0
Mileage : 204.0
Fuel : 7.0
Mileage : 205.0
Fuel : 7.0
Mileage : 206.0
Fuel : 7.0
Mileage : 207.0
Fuel : 7.0
Mileage : 208.0
Fuel : 7.0
Mileage : 209.0
Fuel : 7.0
Mileage : 210.0
Fuel : 7.0
Mileage : 211.0
Fuel : 7.0
Mileage : 212.0
Fuel : 7.0
Mileage : 213.0
Fuel : 7.0
Mileage : 214.0
Fuel : 7.0
Mileage : 215.0
Fuel : 7.0
Mileage : 216.0
Fuel : 6.0
Mileage : 217.0
Fuel : 6.0
Mileage : 218.0
Fuel : 6.0
Mileage : 219.0
Fuel : 6.0
Mileage : 220.0
Fuel : 6.0
Mileage : 221.0
Fuel : 6.0
Mileage : 222.0
Fuel : 6.0
Mileage : 223.0
Fuel : 6.0
Mileage : 224.0
Fuel : 6.0
Mileage : 225.0
Fuel : 6.0
Mileage : 226.0
Fuel : 6.0
Mileage : 227.0
Fuel : 6.0
Mileage : 228.0
Fuel : 6.0
Mileage : 229.0
Fuel : 6.0
Mileage : 230.0
Fuel : 6.0
Mileage : 231.0
Fuel : 6.0
Mileage : 232.0
Fuel : 6.0
Mileage : 233.0
Fuel : 6.0
Mileage : 234.0
Fuel : 6.0
Mileage : 235.0
Fuel : 6.0
Mileage : 236.0
Fuel : 6.0
Mileage : 237.0
Fuel : 6.0
Mileage : 238.0
Fuel : 6.0
Mileage : 239.0
Fuel : 6.0
Mileage : 240.0
Fuel : 5.0
Mileage : 241.0
Fuel : 5.0
Mileage : 242.0
Fuel : 5.0
Mileage : 243.0
Fuel : 5.0
Mileage : 244.0
Fuel : 5.0
Mileage : 245.0
Fuel : 5.0
Mileage : 246.0
Fuel : 5.0
Mileage : 247.0
Fuel : 5.0
Mileage : 248.0
Fuel : 5.0
Mileage : 249.0
Fuel : 5.0
Mileage : 250.0
Fuel : 5.0
Mileage : 251.0
Fuel : 5.0
Mileage : 252.0
Fuel : 5.0
Mileage : 253.0
Fuel : 5.0
Mileage : 254.0
Fuel : 5.0
Mileage : 255.0
Fuel : 5.0
Mileage : 256.0
Fuel : 5.0
Mileage : 257.0
Fuel : 5.0
Mileage : 258.0
Fuel : 5.0
Mileage : 259.0
Fuel : 5.0
Mileage : 260.0
Fuel : 5.0
Mileage : 261.0
Fuel : 5.0
Mileage : 262.0
Fuel : 5.0
Mileage : 263.0
Fuel : 5.0
Mileage : 264.0
Fuel : 4.0
Mileage : 265.0
Fuel : 4.0
Mileage : 266.0
Fuel : 4.0
Mileage : 267.0
Fuel : 4.0
Mileage : 268.0
Fuel : 4.0
Mileage : 269.0
Fuel : 4.0
Mileage : 270.0
Fuel : 4.0
Mileage : 271.0
Fuel : 4.0
Mileage : 272.0
Fuel : 4.0
Mileage : 273.0
Fuel : 4.0
Mileage : 274.0
Fuel : 4.0
Mileage : 275.0
Fuel : 4.0
Mileage : 276.0
Fuel : 4.0
Mileage : 277.0
Fuel : 4.0
Mileage : 278.0
Fuel : 4.0
Mileage : 279.0
Fuel : 4.0
Mileage : 280.0
Fuel : 4.0
Mileage : 281.0
Fuel : 4.0
Mileage : 282.0
Fuel : 4.0
Mileage : 283.0
Fuel : 4.0
Mileage : 284.0
Fuel : 4.0
Mileage : 285.0
Fuel : 4.0
Mileage : 286.0
Fuel : 4.0
Mileage : 287.0
Fuel : 4.0
Mileage : 288.0
Fuel : 3.0
Mileage : 289.0
Fuel : 3.0
Mileage : 290.0
Fuel : 3.0
Mileage : 291.0
Fuel : 3.0
Mileage : 292.0
Fuel : 3.0
Mileage : 293.0
Fuel : 3.0
Mileage : 294.0
Fuel : 3.0
Mileage : 295.0
Fuel : 3.0
Mileage : 296.0
Fuel : 3.0
Mileage : 297.0
Fuel : 3.0
Mileage : 298.0
Fuel : 3.0
Mileage : 299.0
Fuel : 3.0
Mileage : 300.0
Fuel : 3.0
Mileage : 301.0
Fuel : 3.0
Mileage : 302.0
Fuel : 3.0
Mileage : 303.0
Fuel : 3.0
Mileage : 304.0
Fuel : 3.0
Mileage : 305.0
Fuel : 3.0
Mileage : 306.0
Fuel : 3.0
Mileage : 307.0
Fuel : 3.0
Mileage : 308.0
Fuel : 3.0
Mileage : 309.0
Fuel : 3.0
Mileage : 310.0
Fuel : 3.0
Mileage : 311.0
Fuel : 3.0
Mileage : 312.0
Fuel : 2.0
Mileage : 313.0
Fuel : 2.0
Mileage : 314.0
Fuel : 2.0
Mileage : 315.0
Fuel : 2.0
Mileage : 316.0
Fuel : 2.0
Mileage : 317.0
Fuel : 2.0
Mileage : 318.0
Fuel : 2.0
Mileage : 319.0
Fuel : 2.0
Mileage : 320.0
Fuel : 2.0
Mileage : 321.0
Fuel : 2.0
Mileage : 322.0
Fuel : 2.0
Mileage : 323.0
Fuel : 2.0
Mileage : 324.0
Fuel : 2.0
Mileage : 325.0
Fuel : 2.0
Mileage : 326.0
Fuel : 2.0
Mileage : 327.0
Fuel : 2.0
Mileage : 328.0
Fuel : 2.0
Mileage : 329.0
Fuel : 2.0
Mileage : 330.0
Fuel : 2.0
Mileage : 331.0
Fuel : 2.0
Mileage : 332.0
Fuel : 2.0
Mileage : 333.0
Fuel : 2.0
Mileage : 334.0
Fuel : 2.0
Mileage : 335.0
Fuel : 2.0
Mileage : 336.0
Fuel : 1.0
Mileage : 337.0
Fuel : 1.0
Mileage : 338.0
Fuel : 1.0
Mileage : 339.0
Fuel : 1.0
Mileage : 340.0
Fuel : 1.0
Mileage : 341.0
Fuel : 1.0
Mileage : 342.0
Fuel : 1.0
Mileage : 343.0
Fuel : 1.0
Mileage : 344.0
Fuel : 1.0
Mileage : 345.0
Fuel : 1.0
Mileage : 346.0
Fuel : 1.0
Mileage : 347.0
Fuel : 1.0
Mileage : 348.0
Fuel : 1.0
Mileage : 349.0
Fuel : 1.0
Mileage : 350.0
Fuel : 1.0
Mileage : 351.0
Fuel : 1.0
Mileage : 352.0
Fuel : 1.0
Mileage : 353.0
Fuel : 1.0
Mileage : 354.0
Fuel : 1.0
Mileage : 355.0
Fuel : 1.0
Mileage : 356.0
Fuel : 1.0
Mileage : 357.0
Fuel : 1.0
Mileage : 358.0
Fuel : 1.0
Mileage : 359.0
Fuel : 1.0
Mileage : 360.0
Fuel : 0.0
BUILD SUCCESSFUL (total time: 1 second)