Java

8.2    Enumeration Types

Each enumeration type inherits from the special class Enum . For this next example, let’s define some countries:

                
            public enum Country {  GERMANY, UK, CHINA} 

Listing 8.19     src/main/java/com/tutego/insel/enums/v1/Country.java (Snippet)

The compiler translates this code into an enumeration class that resembles the following code:

public class Country extends Enum {  public static final Country GERMANY = new Country( "GERMANY", 0 );  public static final Country UK      = new Country( "UK",      1 );  // other constants...  private Country( String s, int i ) {    super( s, i );  }  // other methods...} 

8.2.1    Methods on Enum Objects

Each enumeration element is an object that automatically has some default methods coming from the superclass ...