//: enumerated/RoShamBo3.java // Using constant-specific methods. package enumerated; import static enumerated.Outcome.*; public enum RoShamBo3 implements Competitor { PAPER { @Override public Outcome compete(RoShamBo3 it) { switch(it) { default: // To placate the compiler case PAPER: return DRAW; case SCISSORS: return LOSE; case ROCK: return WIN; } } }, SCISSORS { @Override public Outcome compete(RoShamBo3 it) { switch(it) { default: case PAPER: return WIN; case SCISSORS: return DRAW; case ROCK: return LOSE; } } }, ROCK { @Override public Outcome compete(RoShamBo3 it) { switch(it) { default: case PAPER: return LOSE; case SCISSORS: return WIN; case ROCK: return DRAW; } } }; @Override public abstract Outcome compete(RoShamBo3 it); public static void main(String[] args) { RoShamBo.play(RoShamBo3.class, 20); } } /* Same output as RoShamBo2.java *///:~