Подскажите как дальше сделать
package com.javarush.task.task25.task2502;
import java.util.*;
/*
Машину на СТО не повезем!
*/
public class Solution {
public static enum Wheel {
FRONT_LEFT,
FRONT_RIGHT,
BACK_LEFT,
BACK_RIGHT
}
public static class Car {
protected List<Wheel> wheels;
public Car() {
if (loadWheelNamesFromDB() == null){
throw new IllegalArgumentException();
}
for (int i = 0; i < wheels.size(); i++) {
Wheel w = Wheel.valueOf(loadWheelNamesFromDB()[i]);
/*if(w != Wheel.values()[i]){
throw new IllegalArgumentException();
}*/
this.wheels.add(w);
}
}
protected String[] loadWheelNamesFromDB() {
//this method returns mock data
return new String[]{"FRONT_LEFT", "FRONT_RIGHT", "BACK_LEFT", "BACK_RIGHT"};
}
}
public static void main(String[] args) {
}
}