20 lines
558 B
Java
20 lines
558 B
Java
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//: enumerated/RoShamBo6.java
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// Enums using "tables" instead of multiple dispatch.
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package enumerated;
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import static enumerated.Outcome.*;
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enum RoShamBo6 implements Competitor<RoShamBo6> {
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PAPER, SCISSORS, ROCK;
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private static Outcome[][] table = {
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{ DRAW, LOSE, WIN }, // PAPER
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{ WIN, DRAW, LOSE }, // SCISSORS
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{ LOSE, WIN, DRAW }, // ROCK
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};
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public Outcome compete(RoShamBo6 other) {
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return table[this.ordinal()][other.ordinal()];
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}
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public static void main(String[] args) {
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RoShamBo.play(RoShamBo6.class, 20);
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}
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} ///:~
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