Enumeration? Constructor? Interview demo

The result of printing is ？ 

enum AccountType
{
    SAVING, FIXED, CURRENT;
    private AccountType()
    {
        System.out.println("It is a account type");
    }
}
class EnumOne
{
    public static void main(String[]args)
    {
        System.out.println(AccountType.FIXED);
    }
}

	

 

---

  The enumeration class has three instances , Therefore, call the construction method three times , Print three times It is a account type