Use of Enum constructor, method in java pgm

Use of Enum constructor, method

enum Car 

{

   lamborghini(900),tata(2),audi(50),fiat(15),honda(12);

   private int price;

   Car(int p) 

   {

      price = p;

   }

   int getPrice() 

  {

      return price;

   } 

}

public class Main 

{

   public static void main(String args[])

  {

      System.out.println("All car prices:");

      for (Car c : Car.values())

      System.out.println(c + " costs " + c.getPrice() + " thousand dollars.");

   }

}