vehicle.java

AutoSale Interface

package autosale;

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

public abstract class Vehicle implements Comparable, Printable, Serializable {
    private String registration;
    private String brand;
    private String model;
    private int price;
    
    public abstract int getInsurancePrice();

    public int compareTo(Object obj) {
        Vehicle v = (Vehicle)obj;

        return this.getRegistration().compareTo(v.getRegistration());
    }
    
/*
    //Order by price instead
    public int compareTo(Object obj) {
        Vehicle v = (Vehicle)obj;

        return this.price - v.price;
    }
*/    

    public String getRegistration() {
        return registration;
    }
    
    public String getBrand() {
        return brand;
    }
    
    public String getModel() {
        return model;
    }
    
    public int getPrice() {
        return price;
    }
    
    protected Vehicle() {
        Scanner sc = new Scanner(System.in);

        System.out.println("Enter registration:");
        registration = sc.nextLine();
        System.out.println("Enter brand:");
        brand = sc.nextLine();
        System.out.println("Enter model:");
        model = sc.nextLine();
        System.out.println("Enter price:");
        price = sc.nextInt();
    }

    public void print() {
        System.out.println(this.getClass().getSimpleName());
        System.out.println(registration);
        System.out.println(brand);
        System.out.println(model);
        System.out.println(price);
    }
}