Add constructor to an enum in Java

//ww w  . ja v a 2  s .  c  om
enum Apple {
  A(10), B(9), C(12), D(15), E(8);

  private int price; // price of each apple

  Apple(int p) {
    price = p;
  }

  int getPrice() {
    return price;
  }
}

public class Main {
  public static void main(String args[]) {
    Apple ap;

    System.out.println("D costs " + Apple.D.getPrice() + " cents.\n");

    System.out.println("All apple prices:");
    for (Apple a : Apple.values())
      System.out.println(a + " costs " + a.getPrice() + " cents.");
  }
}