Code: Select all
public interface Drivable {
void drive();
default void start() {
System.out.println("Starting...");
}
}
public interface VehicleHelper {
static void register(Vehicle v) {
System.out.println(v.getVIN());
}
}
import java.util.List;
public abstract class Vehicle implements Drivable {
private final String make;
private final String model;
private final String vin;
private final List<String> features;
public Vehicle(String make, String model, String vin, List<String> features) {
this.make = make;
this.model = model;
this.vin = vin;
this.features = features;
VehicleHelper.register(this);
start();
}
public String getMakeAndModel() {
return "%s and %s".formatted(make, model);
}
public final String getVIN() {
return this.vin;
}
public final String getFeature(String feature) {
for (String f : features) {
if (f.equals(feature)) {
return feature;
}
}
return "N.A";
}
}
import java.util.List;
public class Car extends Vehicle {
public Car(String make, String model, String vin) {
super(make, model, vin, List.of("height"));
}
@Override
public void drive() {
System.out.println("drive car");
}
@Override
public void start() {
System.out.println("Starting car");
}
}
public class ToyCar extends Car {
public ToyCar() {
super("toy", "toy", "12345");
}
}
import java.util.List;
public class Truck extends Vehicle {
public Truck(String make, String model, String vin) {
super(make, model, vin, List.of("power"));
}
@Override
public void drive() {
System.out.println("Drive Truck");
}
@Override
public void start() {
System.out.println("Starting truck");
}
}
