Java的多路分支代码，感觉有点意思

/**
 * @Author hty
 * @Date 2019-12-16 16:39
 * @Version 1.0
 */
import java.util.Random;

// 比赛结果
enum OutCom {
    WIN,
    LOSE,
    DRAW,
}

enum RoShaBo {
    PAPER(OutCom.DRAW, OutCom.LOSE, OutCom.WIN),
    SCISSORS(OutCom.WIN, OutCom.DRAW, OutCom.LOSE),
    ROCK(OutCom.LOSE, OutCom.WIN, OutCom.DRAW);

    public OutCom withPaper;
    public OutCom withScissors;
    public OutCom withRock;

    RoShaBo(OutCom withPaper, OutCom withScissors, OutCom withRock) {
        this.withPaper = withPaper;
        this.withScissors = withScissors;
        this.withRock = withRock;
    }

    public OutCom compet(RoShaBo item) {
        switch(item){
            case PAPER:
                return withPaper;
            case SCISSORS:
                return withScissors;
            case ROCK:
                return withRock;
            default:
                return  null;
        }
    }
}

class RoShaBoRunner {
    private static final Random random = new Random();

    public static void pay(int rounds) {
        for (int i = 0; i < rounds; i++) {
            RoShaBoRunner.vs(randomOne(),randomOne());
        }
    }

    private static void vs(RoShaBo it1, RoShaBo it2) {
        System.out.println(String.format("%s VS %s: %s", it1.name(), it2.name(), it1.compet(it2).name()));
    }

    private static RoShaBo randomOne() {
        int nextInt = random.nextInt(3);
        switch(nextInt) {
            case 0:
                return RoShaBo.PAPER;
            case 1:
                return RoShaBo.SCISSORS;
            case 2:
                return RoShaBo.ROCK;
            default:
                return null;
        }
    }

    public static void main(String[] args) {
        pay(60);
    }
}

// 输出结果
ROCK VS ROCK: DRAW
ROCK VS PAPER: LOSE
PAPER VS PAPER: DRAW
PAPER VS ROCK: WIN
SCISSORS VS SCISSORS: DRAW
ROCK VS SCISSORS: WIN
SCISSORS VS ROCK: LOSE
SCISSORS VS PAPER: WIN
PAPER VS PAPER: DRAW
...