面对对象1

class DiceGame()
{
	private Die die1,die2;
	public DiceGame()
	{
		die1 = new Die();
		die2 = new Die();
	}
	public void play()
	{
		die1.roll();
		die2.roll();
		if(die1.getFaceValue() + die2.getFaceValue() == 7)
			sout("you win");
	}
}

class Die{
	private int faceValue;
	public roll()
	{
		Random rand = new Random();
		faceValue =  rand.nextInt(6) + 1;
	}
	public int getFaceValue()
	{
		return faceValue;
	}
}