Chapter: Interfaces

Create a framework using Factory Methods that performs both coin tossing and dice tossing.

package chapter.interfaces;

import java.util.*;

interface Game {
    int toss();
}

interface GameFactory {
    Game getGame();
}

class Dice implements Game {
    public int toss() {
        Random rand = new Random(55);
        return rand.nextInt(7);
    }
}

class DiceFactory implements GameFactory {
    public Game getGame() {
        return new Dice();
    }
}

class Coins implements Game {
    public int toss() {
        Random rand = new Random(55);
        return rand.nextInt(3);
    }
}

class CoinsFactory implements GameFactory {
    public Game getGame() {
        return new Coins();
    }
}

public class Exercise19 {

    public static void playGame(GameFactory factory) {
        Game game = factory.getGame();
        for (int i = 0; i < 8; i++)
            System.out.println(game.toss());
    }

    public static void main(String[] args) {
        playGame(new CoinsFactory());
        playGame(new DiceFactory());
    }

}