rsc.java~63~

java写的剪刀

package rsc;
import javax.swing.*;
import java.io.*;
import java.util.*;

/**
	File Name:    	RSC.java
	Author:	黄增博   #B02251132
	Date:		March 20 2004
	Description:	This program would like to program the computer to play this game
                        against a human. Each will make a choice and the computer
                        will work out who won.
**/

public class RSC {
  public static void main(String[] args)throws IOException{
     String player=null;
     String computerstring=null;
     String winner=null;
     int you=1000;
     int computer=1000;
     BufferedReader stdn = new BufferedReader(new InputStreamReader(System.in));
     String r;
     int seed;
     boolean isDigit;
     System.out.println("Enter the seed:");
     do{
     isDigit=true;
     r=stdn.readLine();//input the string
     for(int i=0;i<r.length();i++)//check the input is the integer
    {
      char checkDigit;
      checkDigit=r.charAt(i);
      if(!Character.isDigit(checkDigit))
      isDigit=false;
    }
    if(isDigit==false)
    System.out.println("The seed should be an integer!Input again!");
    }while(isDigit==false);//if the input is not an integer,input it again
    seed=Integer.parseInt(r);
    System.out.println("The rules: \n rock beats scissors;\n scissors beat cloth;\n cloth beats rock; ");
    System.out.println("Please input your choice!"+'\n'+"r is rock,s is scissors,c is cloth,q is exit");
    System.out.println("Computer : Your turn");
     Random temp=new Random(seed);//give the random number from seed
     while(!(r=stdn.readLine()).equals("q")){//input the r,s,c,q ,when input q ,exit
         if(r.equals("r"))
         you=2;
         else if(r.equals("s"))
         you=1;
         else if(r.equals("c"))
         you=0;
         //check if the input is r,s,c,q
         else System.out.println("Wrong input,please enter 'r','s','c','q'"+'\n'+"Computer:Your turn");
         seed=temp.nextInt();//give the next random number
         seed=seed%3;        //make the number to the computer
         computer=Math.abs(seed);
         if (computer==2)//make the computer's output
         computerstring="rock";
         else if (computer==1)
         computerstring="scissors";
         else if (computer==0)
         computerstring="cloth";
         //check the winner
         if (((you==0)&&(computer==2))||((you==1)&&(computer==0))||((you==2)&&(computer==1)))
         winner="I got you!";
         else if (computer==you)
         winner="Draw!";
         else if (((computer==0)&&(you==2))||((computer==1)&&(you==0))||((computer==2)&&(you==1)))
         winner="You lose!";
         if(r.equals("s")||r.equals("r")||r.equals("c")||r.equals("q"))//check the input is s,r,c,q
         //output the conclution
         System.out.print("Computer: "+computerstring+','+winner+'\n'+"Computer:Your turn"+'\n'+"User: ");
     }
  }
}