import java.util.*;
import java.io.*;

public class VehicleTest {
    public static void main(String[] args) throws FileNotFoundException {
        String vehicle = "vehicle";
        String car = "car";
        String americanCar = "american car";
        String foreignCar = "foreign car";
        String truck = "truck";
        String bicycle = "bicycle";

        File file = new File(args[0]);
        Scanner input = new Scanner(file);

        String[] autos = new String[100];
        ArrayList allVehicles = new ArrayList();


        for (int i = 0; i < autos.length; i++) {
            autos[i] = input.nextLine();
        }

        int j = 0;
        int i = 0;

        while (i++ < autos.length) {
            if (vehicle.equalsIgnoreCase(autos[j++])) {
                Vehicle v = new Vehicle();
                v.setOwnerName(autos[j]);
                allVehicles.add(v);
            }else if(car.equalsIgnoreCase(autos[j++])){
                Car c = new Car();
                c.setOwnerName(autos[j]);
                allVehicles.add(c);
            }
        }

        for(Object a: allVehicles){
            System.out.println(a);
        }
    }
}

while i is less than the length of the string  array
 if you see the word vehicle create a new vehicle object and add it to the arrayList.
 if you see the word car create a new car object and add it to the arrayList.
.....

foreign car
aMarioy
Mario's house
(777) 777-7777
gmario@mario.com
false
black
Italy
4415.91

truck
aDougy
Doug's house
(123) 456-7890
hdoug@doug.com
30
61234.56
8/10/2003

vehicle
aRobby
Rob's house
(987) 654-3210
irob@rob.com

bicycle
bTommy
Tom's house
(246) 810-1214
jtom@tom.com
7

truck
bGeorge
George's house
(666) 666-6666
kgeorge@george.com
25
51234.56
12/4/2004

vehicle
bTim
Tim's house
(111) 111-1111
tim@tim.com

bicycle
bJim
Jim's house
(555) 555-5555
Ajim@jim.com
5

american car
bJohn
John's house
(888) 888-8888
Bjohn@john.com
true
green
false
true

car
cKen
Ken's house
(999) 999-9999
Cken@ken.com
false
orange

foreign car
cMario
Mario's house
(777) 777-7777
Dmario@mario.com
false
black
Italy
4415.91


american car
gSam
Sam's house
(333) 333-3333
Hsam@sam.com
false
blue
true
false

while (j < autos.length) {
        if (vehicle.equalsIgnoreCase(autos[j])) {
            j++;
            Vehicle v = new Vehicle();
            v.setOwnerName(autos[j++]);
            allVehicles.add(v);
        } else if(car.equalsIgnoreCase(autos[j])){
            j++;
            Car c = new Car();
            c.setOwnerName(autos[j++]);
            allVehicles.add(c);
        }
    }

while (j < autos.length) {
        String type = autos[j++];
        if (vehicle.equalsIgnoreCase(type)) {
            Vehicle v = new Vehicle();
            v.setOwnerName(autos[j++]);
            allVehicles.add(v);
        } else if(car.equalsIgnoreCase(type)){
            Car c = new Car();
            c.setOwnerName(autos[j++]);
            allVehicles.add(c);
        }
    }

while (scanner.hasNext()) {
    String type = scanner.nextLine();
    if (type.equalsIgnoreCase("vehicle")) {
        allVehicles.add(new Vehicle(scanner));
    } else if (type.equalsIgnoreCase("car")) {
        allVehicles.add(new Car(scanner));
    }
    // ...
}

// Use a base type in real code
private static Object parseNextVehicle(Scanner scanner) {
    String type = scanner.nextLine();
    if (type.equalsIgnoreCase("vehicle")) {
        return new Vehicle(scanner);
    } else if (type.equalsIgnoreCase("car")) {
        return new Car(scanner);
    }
    // ... throw an exception indicating an unknown vehicle type
}

// ... and then in the main method, use it like this:
while (scanner.hasNextLine()) {
    allVehicles.add(parseNextVehicle(scanner));
}

for (int i = 0, j = 0; i < autos.length; ++i, ++j) {
    if (vehicle.equalsIgnoreCase(autos[j])) {
        // ...