猜数字游戏

package demo;

import java.util.Scanner;

public class demo {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner in=new Scanner(System.in);
System.out.println("-------猜拳游戏-------");
System.out.println("请出拳 (1.剪刀   2.石头  3。布)");
int person=in.nextInt();
int computer=(int)(Math.random()*3+1);
String person_mark="";
String computer_mark="";
switch (person){
case 1:person_mark="剪刀";break;
case 2:person_mark="石头";break;
case 3:person_mark="布";break;
}
switch (computer){
case 1:computer_mark="剪刀";break;
case 2:computer_mark="石头";break;
case 3:computer_mark="布";break;
}
if(person==computer){
System.out.println("平局");
}else if(person==1&&computer==2||person==2&&computer==3||person==3&&computer==1){
System.out.println("你输了:电脑出的是"+computer_mark+",你出的是"+person_mark);
}else{
System.out.println("你赢了:电脑出的是"+computer_mark+",你出的是"+person_mark);
}
}

}