72 lines
1.6 KiB
Java
72 lines
1.6 KiB
Java
// enums/RoShamBo3.java
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// (c)2016 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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// Using constant-specific methods
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// {java enums.RoShamBo3}
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package enums;
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import static enums.Outcome.*;
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public enum RoShamBo3 implements Competitor<RoShamBo3> {
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PAPER {
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@Override
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public Outcome compete(RoShamBo3 it) {
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switch(it) {
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default: // To placate the compiler
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case PAPER: return DRAW;
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case SCISSORS: return LOSE;
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case ROCK: return WIN;
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}
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}
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},
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SCISSORS {
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@Override
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public Outcome compete(RoShamBo3 it) {
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switch(it) {
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default:
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case PAPER: return WIN;
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case SCISSORS: return DRAW;
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case ROCK: return LOSE;
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}
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}
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},
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ROCK {
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@Override
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public Outcome compete(RoShamBo3 it) {
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switch(it) {
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default:
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case PAPER: return LOSE;
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case SCISSORS: return WIN;
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case ROCK: return DRAW;
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}
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}
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};
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@Override
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public abstract Outcome compete(RoShamBo3 it);
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public static void main(String[] args) {
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RoShamBo.play(RoShamBo3.class, 20);
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}
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}
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/* Output:
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PAPER vs. ROCK: WIN
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PAPER vs. SCISSORS: LOSE
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ROCK vs. SCISSORS: WIN
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ROCK vs. ROCK: DRAW
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ROCK vs. SCISSORS: WIN
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SCISSORS vs. PAPER: WIN
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ROCK vs. SCISSORS: WIN
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PAPER vs. PAPER: DRAW
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PAPER vs. ROCK: WIN
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PAPER vs. SCISSORS: LOSE
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PAPER vs. ROCK: WIN
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SCISSORS vs. PAPER: WIN
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ROCK vs. ROCK: DRAW
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PAPER vs. PAPER: DRAW
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SCISSORS vs. SCISSORS: DRAW
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PAPER vs. SCISSORS: LOSE
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PAPER vs. ROCK: WIN
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PAPER vs. SCISSORS: LOSE
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ROCK vs. SCISSORS: WIN
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ROCK vs. PAPER: LOSE
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*/
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