must use java Programming Assignment #5 – CarDemo Write a class named Car that h

ID: 3828664 • Letter: M

Question

must use java

Programming Assignment #5 – CarDemo

Write a class named Car that has the following fields:

year. The year field is a String that holds the car’s year model.

make. The make field is a String that holds the make of the car.

speed. The speed field is a int that holds the car’s current speed.

In addition, the class should have the following methods.

Constructor. The constructor should accept the car’s year model and make as arguments. These values should be assigned to the object’s year and make fields. The constructor should also initialize 0 to the speed instance field.

Accessors/Mutators. The appropriate getters/setters methods get the values stored in an object’s year, make, speed fields.

accelerate(). The accelerate() method should add 5 to the speed field each time it is called. There are no inputs or outputs to accelerate().

brake(). The brake() method should subtract 5 from the speed field each time it is called. There are no inputs or outputs to brake().

Write a Driver Program (with a main() method) to demonstrate the Car class. The driver program (CarDemo.java) will:

Prompt user to enter the Year of the Car. Your choice to use Scanner or JOptionPane.

Prompt user to enter the Make of the Car. Your choice to use Scanner or JOptionPane.

Create a Car object, and

Then call the accelerate() method five times on the car object.

After each call to the accelerate method, get the current speed of the car and display it.

Then, call the brake() method five times on the car object.

After each call to the brake method, get the current speed of the car and display it.

The Driver Program will create output as demonstrated below:

Console Input….you can use JOptionPane if preferred:

Enter year of car: 2004[ENTER] // this is prompt and keyboard entry

Enter Make of car: Porsche[ENTER] // this is prompt and keyboard entry

Console Output:

Current status of the car:

Year: 2004

Make: Porsche

Speed: 0

2004 Porsche Accelerating... // notice the year and make of car printed

Now the speed is 5

Now the speed is 10

Now the speed is 15

Now the speed is 20

Now the speed is 25

2004 Porsche Braking... // notice the year and make of car printed

Now the speed is 20

Now the speed is 15

Now the speed is 10

Now the speed is 5

Now the speed is 0

Explanation / Answer

Please find my implementation without JOption.

######### Car.java ######

public class Car {

private int yearModel;

private String make;

private double speed;

//constructor

public Car(int yearModel, String make) {

this.yearModel = yearModel;

this.make = make;

this.speed = 0;

}

//Accessors methods

public int getYearModel() {

return yearModel;

}

public String getMake() {

return make;

}

public double getSpeed() {

return speed;

}

//accelerator

public void accelerate(){

speed+=5;

}

//break

public void brake(){

speed-=5;

}

######### CarDemo.java ########

public class CarDemo {

public static void main(String[] args) {

Car c = new Car(2015, "Car-345");

System.out.println("Current status of the car: ");

System.out.println("Year: "+c.getYearModel());

System.out.println("Make: "+c.getMake());

System.out.println("Speed: "+c.getSpeed());

System.out.println();

System.out.println(c.getYearModel()+" "+c.getMake()+" Accelerating...");

c.accelerate();