enumeration java
public enum Feu { VERT(0), ORANGE(1), ROUGE(2); private int value; private Feu( int value ) { this.value = value; } public int toInt() { return value; } public static Feu fromInt( int value ) { switch( value ) { case 0: return VERT; case 1: return ORANGE; default: return ROUGE; } } }