第3章：游戏：石头，剪刀，布

/**
 * 游戏：石头，剪刀，布。
 * 程序提示用户随机产生一个数，这个数是0、1或2，分别表示石头、剪刀和布。
 * 提示用户输入值0、1或2：
 * 显示一个消息，表明用户和计算机是谁赢了游戏，谁赢了游戏，或者是达成了平手。
 */
package Test;

import java.util.Scanner;

public class T317Scanner {
	public static void main(String[] args) {
		int num = (int)(Math.random() * 3);
		System.out.println(num);
		
		Scanner input = new Scanner(System.in);
		System.out.print("Scissor (0), Rock (1), Paper (2): ");
		int guess = input.nextInt();
		
		if (guess == num)
			System.out.println("The computer is paper. You are paper too. It is a draw!");
		else
			System.out.println((guess == 0 && num == 1 || guess == 1 && num == 2 || guess == 2 && num == 0)
					? "The computer is scissor. You are rock. You won!"
							: "You are scissor. The computer is rock. The computer won!");
	}
}