Quillewd
11/14/2019 - 12:55 AM
Code Challenge #3
import java.util.Scanner;
public class Main {
public static void main(String[] args){
//create a scanner for input
Scanner userInput = new Scanner(System.in);
//run loop into infinity and beyond
while(true) {
System.out.println("\n#---------------------------------------------#");
System.out.println("# Welcome to the Vehicle Registration System #");
System.out.println("# Select one of our wonderful options please. #");
System.out.println("#---------------------------------------------#");
System.out.println("1) Register a new Vehicle");
System.out.println("2) Edit a Vehicle");
System.out.println("3) List Vehicles");
System.out.println("4) Exit");
String inputString = userInput.next();
if (checkInt(inputString)) {
userInput.nextLine();
switch (Integer.parseInt(inputString)) {
case 1:
//have the user enter info for the vehicle
System.out.println("Enter Vehicle Name");
//save vehicle name
String vName = userInput.nextLine();
//have the user enter info for the vehicle
System.out.println("Enter Vehicle Color");
//save vehicle name
String vColor = userInput.nextLine();
//have the user enter info for the vehicle
System.out.println("Enter Vehicle Wheel Count");
//save vehicle name
String vWheels = userInput.next();
userInput.nextLine(); //skip crap
if(!checkInt(vWheels)){
System.out.println("Invalid number of wheels.");
break;
}
int wheelCount = Integer.parseInt(vWheels);
System.out.println(vName + " " + vColor + " " + vWheels);
//check if it's a bike or a car and register it
if (wheelCount == 2) {
Vehicle.registerVehicle(new Bike(vName, wheelCount, vColor));
} else {
//register a car if wheels are more than 2
Car car = new Car(vName, wheelCount, vColor);
Vehicle.registerVehicle(car);
}
break;
case 2:
//prompt for them to enter the VIN number
System.out.println("Enter the Vehicle Registration Value");
long vin = userInput.nextLong();
Vehicle.editVehicle(vin);
break;
case 3:
Vehicle.listRegisteredVehicles();
break;
case 4:
System.out.println("Exiting");
System.exit(0);
break;
default:
System.out.println("Invalid Input.");
}
} else { System.out.println("ERROR: INVALID INPUT");}
}
}
/**
*
* @param input string
* @return whether it is acceptable int or not
*/
public static boolean checkInt(String input){
return (input.length() > 0 && input.matches("[0-9]+")) ? true : false;
}
}
import java.util.Random;
public class Car extends Vehicle {
//local vars
private String name;
private String color;
private int wheels;
private long registration_number;
//new random number gen
Random randomRegister = new Random();
//constructor for bike
/**
*
* @param name name of the vehicle
* @param wheels wheels the car has
* @param color color of the vehicle
*/
public Car(String name, int wheels, String color){
this.color = color;
this.wheels = wheels;
this.name = name;
this.registration_number = randomRegister.nextInt(100000);
}
@Override
void setName(String name) {
this.name = name;
}
@Override
void setColor(String color) {
this.color = color;
}
@Override
void setWheels(int wheels) {
this.wheels = wheels;
}
@Override
String getColor() {
return this.color;
}
@Override
String getName() {
return this.name;
}
@Override
int getWheels() {
return this.wheels;
}
@Override
long getRegistrationNumber() {
return this.registration_number;
}
}
import java.util.Random;
public class Bike extends Vehicle {
//local vars
private String name;
private String color;
private int wheels;
private long registration_number;
//new random number gen
Random randomRegister = new Random();
//constructor for bike
/**
*
* @param name name of the bike
* @param wheels amount of wheels the vehicle has (it better be two or I'm brekaing kneecaps)
* @param color color of the vehicle
*/
public Bike(String name, int wheels, String color){
this.color = color;
this.wheels = wheels;
this.name = name;
this.registration_number = randomRegister.nextInt(100000);
}
@Override
void setName(String name) {
this.name = name;
}
@Override
void setColor(String color) {
this.color = color;
}
@Override
void setWheels(int wheels) {
this.wheels = wheels;
}
@Override
String getColor() {
return this.color;
}
@Override
String getName() {
return this.name;
}
@Override
int getWheels() {
return this.wheels;
}
@Override
long getRegistrationNumber() {
return this.registration_number;
}
}
import java.util.ArrayList;
import java.util.Scanner;
public abstract class Vehicle {
//arraylist for vehicles
static ArrayList<Vehicle> vehicleList = new ArrayList<>();
//static methods
static void registerVehicle(Vehicle vehicle){
vehicleList.add(vehicle);
System.out.println("Registered Vehicle. Vin is" + vehicle.getRegistrationNumber());
}
static void listRegisteredVehicles(){
if(vehicleList.size() > 0) {
for (int i = 0; i < vehicleList.size(); i++) {
//fanciness
System.out.println("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
//get vehicle at current index
Vehicle curRide = vehicleList.get(i);
System.out.println("Name: " + curRide.getName());
System.out.println("Color: " + curRide.getColor());
System.out.println("Wheels: " + curRide.getWheels());
System.out.println("Registration Number: " + curRide.getRegistrationNumber());
System.out.println("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
}
} else { System.out.println("No Vehicles Registered");}
}
static void editVehicle(long vin){
for(int i = 0; i < vehicleList.size(); i++){
//save vehicle to vehicle
Vehicle vehicle = vehicleList.get(i);
if(vehicle.getRegistrationNumber() == vin){
//Create a new scanner for input
Scanner editInput = new Scanner(System.in);
//prompt for new name
System.out.println("Enter new Name");
String newName = editInput.nextLine();
//prompt for new color
System.out.println("Enter new Color");
String newColor = editInput.nextLine();
System.out.println("Enter new Wheel Count");
int newWheels = editInput.nextInt();
if(newName.toLowerCase() != "keep"){
vehicle.setName(newName); //set new color
}
//if the user typed anything but keep
if(newColor.toLowerCase() != "keep"){
vehicle.setColor(newColor); //set new color
}
//if wheels are not negative
if(newWheels > 0) {
vehicle.setWheels(newWheels); //set new wheel count
}
System.out.println("Vehicle Successfully Edited");
} else {
System.out.println("Invalid Registration Number");
}
}
}
//setters
abstract void setName(String name);
abstract void setColor(String color);
abstract void setWheels(int wheels);
//getters
abstract String getColor();
abstract String getName();
abstract int getWheels();
abstract long getRegistrationNumber();
}