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Factory.java
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Factory.java
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import java.util.Scanner;
enum CarType { //Specify the car type
SMALL, SEDAN, LUXURY, SUV
}
abstract class Car1 {//Class for car
public Car1(CarType model) {
this.model = model;
}
// Do subclass level processing in this method
protected abstract void construct();
private CarType model = null;
public CarType getModel() {
return model;
}
public void setModel(CarType model) {
this.model = model;
}
public void build() {
System.out.println("Gathering components");
System.out.println("Building chasis");
System.out.println("Adding seats");
System.out.println("Installing Engine");
System.out.println("Painting");
}
}
class LuxuryCar extends Car1 {//Luxury car class
LuxuryCar() {//Constructor
super(CarType.LUXURY);
construct();
}
@Override
protected void construct() {//Building class
System.out.println("Building luxury car");
// add accessories
}
void showAvailable() {//Show available cars
Scanner sc = new Scanner(System.in);
int choice;//Choice
int x = 1;
do {
System.out.println("\n\nChoose car::");//Luxury cars
System.out.println("\n1. Mercedes-Benz S-class"
+ "\n2. Jaguar XF"
+ "\n3. Land Rover Discovery" +"\n4. Exit");
System.out.println("Enter choice:: ");
choice = sc.nextInt();
switch(choice) {
case 1://1st car specifications
build();
System.out.println("\n\n---Mercedes-Benz S-class Specifications---");
System.out.println("Price:: Rs.1.38 - 2.78 Cr");
System.out.println("Seating Capacity:: 5");
System.out.println("Fuel Economy:: 16km/l");
System.out.println("Engine:: 2.9 L 6-cylinder diesel, 3.0 L V6");
System.out.println("Mileage (upto):: 13.5 kmpl");
System.out.println("Transmission:: Automatic");
System.out.println("Boot Space:: 500");
System.out.println("---------------------------");
break;
case 2://2nd car specifications
build();
System.out.println("\n\n---Jaguar XF Specfications---");
System.out.println("Price:: Rs.55.67 Lakh");
System.out.println("Seating Capacity:: 5");
System.out.println("Fuel Capacity:: 74 L");
System.out.println("Engine:: 2.0 L 4-cylinder");
System.out.println("Mileage (upto):: 10.8 kmpl");
System.out.println("Transmission:: Automatic");
System.out.println("Boot Space:: 505");
System.out.println("---------------------------");
break;
case 3://3rd car specifications
build();
System.out.println("\n\n---Land Rover Discovery Specfications---");
System.out.println("Price:: Rs 75.59 Lakh onwards");
System.out.println("Seating Capacity:: 5");
System.out.println("Mileage (upto):: 12.05 kmpl");
System.out.println("Transmission:: Automatic");
System.out.println("Fuel Type:: Petrol");
System.out.println("---------------------------");
break;
case 4:
System.exit(0);
break;
default:
System.out.println(" Please Enter Valid Choice");
}
}while(x==1);
}
}
class SmallCar extends Car1 {//Small car class
SmallCar() {//Constructor
super(CarType.SMALL);
construct();
}
@Override
protected void construct() {//Building small car
System.out.println("Building small car");
// add accessories
}
void showAvailable() {//Show available cars
Scanner sc = new Scanner(System.in);
int choice;
int x = 1;
do {
System.out.println("\n\nChoose car to build::");//Display cars
System.out.println("\n1. Maruti Alto"
+ "\n2. Kia Forte"
+ "\n3. Volkswagen Polo" +"\n4. Exit");
System.out.println("Enter choice:: ");
choice = sc.nextInt();
switch(choice) {
case 1://Specifications of 1st car
build();
System.out.println("\n\n---Maruti Alto Specfications---");
System.out.println("Price:: Rs 2.95 lakhs - Rs 4.41 lakhs");
System.out.println("Seating Capacity:: 4,5");
System.out.println("Engine:: 0.80 L 3-cylinder, 0.80 L 3-cylinder natural gas");
System.out.println("Mileage (upto):: 22.05 to 31.59 km/kg");
System.out.println("Transmission:: Manual");
System.out.println("---------------------------");
break;
case 2://Specifications of 2nd car
build();
System.out.println("\n\n---Honda Brio Specfications---");
System.out.println("Price:: Rs 4.73 Lakh - 6.81 Lakh");
System.out.println("Seating Capacity:: 5");
System.out.println("Engine:: 1198 cc");
System.out.println("Mileage (upto):: 22.0 kmpl");
System.out.println("Transmission:: Manual & Automatic");
System.out.println("---------------------------");
break;
case 3://Specifications of 3rd car
build();
System.out.println("\n\n---Maruti Suzuki Wagon R Specfications---");
System.out.println("Price:: Rs 4.51 Lakh onwards");
System.out.println("Seating Capacity:: 5");
System.out.println("Engine:: 1197 cc");
System.out.println("Mileage (upto):: 20.52 to 32.52 kmpl");
System.out.println("Transmission:: Manual");
System.out.println("---------------------------");
break;
case 4:
System.exit(0);
break;
default:
System.out.println(" Please Enter Valid Choice");
}
}while(x==1);
}
}
class SedanCar extends Car1 {//Sedan car class
SedanCar() {//Constructor
super(CarType.SEDAN);
construct();
}
@Override
protected void construct() {
System.out.println("Building sedan car");
// add accessories
}
void showAvailable() {//Show available cars
Scanner sc = new Scanner(System.in);
int choice;
int x = 1;
do {//Show cars
System.out.println("\n\nChoose car::");
System.out.println("\n1. Maruti Suzuki Ciaz"
+ "\n2. Maruti Dzire"
+ "\n3. Hyundai Verna" + "\n4. Exit");
System.out.println("Enter choice:: ");
choice = sc.nextInt();
switch(choice) {
case 1://Display specifications
build();
System.out.println("\n\n---Honda City Specfications---");
System.out.println("Price:: Rs 10.9 lakhs - 14.8 lakhs");
System.out.println("Seating Capacity:: 5");
System.out.println("Engine:: 1498 cc");
System.out.println("Mileage (upto):: 24.1 kmpl");
System.out.println("Transmission:: Manual/Automatic");
System.out.println("---------------------------");
break;
case 2:
build();
System.out.println("\n\n---Maruti Dzire Specfications---");
System.out.println("Price:: Rs 5.89 Lakh onwards");
System.out.println("Seating Capacity:: 5");
System.out.println("Engine:: 1197 cc");
System.out.println("Mileage (upto):: 24.1 kmpl");
System.out.println("Transmission:: Manual/Automatic");
System.out.println("---------------------------");
break;
case 3:
build();
System.out.println("\n\n---Hyundai Verna Specfications---");
System.out.println("Price:: Rs 9.03 Lakh onwards");
System.out.println("Seating Capacity:: 5");
System.out.println("Engine:: 1497 cc");
System.out.println("Mileage (upto):: 17.7 to 25 kmpl");
System.out.println("Transmission:: Manual/Automatic");
System.out.println("---------------------------");
break;
case 4:
System.exit(0);
break;
default:
System.out.println(" Please Enter Valid Choice");
}
}while(x==1);
}
}
class SuvCar extends Car1 {//Suv car class
SuvCar() {//Constructor
super(CarType.SUV);
construct();
}
@Override
protected void construct() {
System.out.println("Building SUV car");
// add accessories
}
void showAvailable() {//Show available cars
Scanner sc = new Scanner(System.in);
int choice;
int x = 1;
do {//Display cars
System.out.println("\n\nChoose car to build::");
System.out.println("\n1. Hyundai Creta"
+ "\n2. KIA Sonet"
+ "\n3. Nissan Magnite" + "\n4. Exit");
System.out.println("Enter choice:: ");
choice = sc.nextInt();
switch(choice) {
case 1://Show specifications
System.out.println("\n\n---Hyundai Creta---");
System.out.println("Price:: Rs 9.03 Lakh onwards");
System.out.println("Seating Capacity:: 5");
System.out.println("Engine:: 1497 cc");
System.out.println("Mileage (upto):: 17.7 to 25 kmpl");
System.out.println("Transmission:: Manual/Automatic");
System.out.println("---------------------------");
break;
case 2:
System.out.println("\n\n---KIA Sonet---");
System.out.println("Price:: Rs 6.71 lakhs onwards");
System.out.println("Seating Capacity:: 5");
System.out.println("Fuel Type:: Petrol & Diesel");
System.out.println("Engine:: 1.0 L 3-cylinder, 1.2 L 4-cylinder, 1.5 L 4-cylinder diesel");
System.out.println("Mileage (upto):: 18.2 to 24.1 kmpl");
System.out.println("Transmission:: Manual/Automatic");
System.out.println("---------------------------");
break;
case 3:
System.out.println("\n\n---Nissan Magnite---");
System.out.println("Price:: Rs 4.99 Lakh onwards");
System.out.println("Seating Capacity:: 5");
System.out.println("Fuel Type:: Petrol & Diesel");
System.out.println("Engine:: 999 cc");
System.out.println("Mileage (upto):: 17.7 to 19.42 kmpl");
System.out.println("Transmission:: Manual & Automatic (CVT)");
System.out.println("---------------------------");
break;
case 4:
System.exit(0);
break;
default:
System.out.println(" Please Enter Valid Choice");
}
}while(x==1);
}
}
class CarFactory {//Car factory class
public static Car1 buildCar(CarType model) {
Car1 car = null;
switch (model) {
case SMALL:
//Show small cars
SmallCar small = new SmallCar();
small.showAvailable();
break;
case SEDAN:
//Show sedan cars
SedanCar sedan = new SedanCar();
sedan.showAvailable();
break;
case LUXURY:
//Show luxury cars
LuxuryCar luxury = new LuxuryCar();
luxury.showAvailable();
break;
case SUV:
//Show SUV cars
SuvCar suv = new SuvCar();
suv.showAvailable();
default:
// throw some exception
break;
}
return car;
}
}
public class Factory {
public static void main(String[] args) {
// TODO Auto-generated method stub
int choice;
Scanner sc = new Scanner(System.in);
int x = 1;
do {//Menu driven car
System.out.println("\n\nChoose car::");
System.out.println("1. SMALL"
+ "\n2. SEDAN"
+ "\n3. LUXURY"
+ "\n4. SUV" + "\n5. Exit");
System.out.println("Enter choice:: ");
choice = sc.nextInt();
switch(choice) {
case 1://Small car
System.out.println(CarFactory.buildCar(CarType.SMALL));
break;
case 2://Sedan car
System.out.println(CarFactory.buildCar(CarType.SEDAN));
break;
case 3://Luxury car
System.out.println(CarFactory.buildCar(CarType.LUXURY));
break;
case 4://Suv
System.out.println(CarFactory.buildCar(CarType.SUV));
break;
case 5:
System.exit(0);
break;
default:
System.out.println(" Please Enter Valid Choice");
break;
}
}while(x == 1);
}
}