OnJava8-Examples/enumerated/RoShamBo3.java

//: enumerated/RoShamBo3.java
// Using constant-specific methods.
package enumerated;
import static enumerated.Outcome.*;

public enum RoShamBo3 implements Competitor<RoShamBo3> {
  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 *///:~