JAVA Fundamental--20150804

package day04;

import java.util.Scanner;

public class Fundamental {
    


    
    public static void main(String[] args) {
        
        System.out.println("欢迎尝试猜字母游戏");
         
        Scanner scan = new Scanner(System.in);
        //String arr = scan.next();
        char[] input =null;
        //input = arr.toCharArray();
        char[] str=Guess();
        for(int k=0;k<5;k++)
        System.out.print(str[k]);
        int count=0;
        System.out.println("游戏开始，请输入你猜的五个字母序列：（exit！ 退出）");
        while(true){
            String arr = scan.next().trim().toUpperCase();
            if(arr.equals("EXIT!")){
                System.out.println("游戏结束！");
                break;
            }
            input = arr.toCharArray();
            int[] sum= check(str,input);
            int score=500-10*count; 
            if(sum[0]==5){
                System.out.println("恭喜你猜对了，你的得分是："+ score);
                
            }
            else{
                System.out.println("你猜对"+sum[1]+"个字符"+",其中有"+sum[0]+"个字符的位置正确");
                
            }
            count++;
            //check();
            //Guess();
        }
     
    }
    
    
    public static char[] Guess(){
        
        char[] str = new char[5];
         char[] zmb={'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P',
                'Q','R','S','T','U','V','W','X','Y','Z'};
         boolean[] flag = new boolean[zmb.length];
         
        for(int i=0;i<str.length;i++){
           int  num;
        do{
              num = (int)(Math.random()*zmb.length);
             
             
        }while(flag[num]);
        str[i]=zmb[num];
        flag[num]=true;
        }
        return str;
    }
    
    public static int[] check(char[] str,char[] input){
        int[] sum = new int[2];
        for(int i=0;i<5;i++){
            for(int j=0;j<5;j++){
                if(str[i]==input[j]){
                    sum[1]+=1;
                    if(i==j){
                        sum[0]+=1;
                        
                    }
                    break;
                }
                
                
            }
            
        }
        return sum;
    }


}