Car.java

class Car{
	int year;
	String make;
	double speed;

	public Car(int y,String m,double s){
		this.year = y;
		this.make = m;
		this.speed = s;
	}

	public double getSpeed(){
		return this.speed;
	}
	public String getMake(){
		return this.make;
	}
	public int getYear(){
		return this.year;
	}

	public void accelerate(){
		this.speed+=1;
	}
}

RaceTrack.java

class RaceTrack{
	public static void main(String[] args) {
		Car c = new Car(2014,"Audi",190.0);
		System.out.println("Car year: "+c.getYear());
		System.out.println("Car make: "+c.getMake());
		System.out.println("Car speed: "+c.getSpeed());
		c.accelerate();
		c.accelerate();
		System.out.println("Car year: "+c.getYear());
		System.out.println("Car make: "+c.getMake());
		System.out.println("Car speed: "+c.getSpeed());
	}
}