java - day09 - summerize

猜字母游戏

 package day08_summerize;
 import java.util.Scanner;
 import java.util.Random;

 //猜字母游戏
 /**
  * @author Jooker
  * @version v1.0
  *
  */
 public class GuessCharsGame {

     //method1 生成器:生成1个有n个随机字母元素的数组，元素不重复
     public char[] arrayChar(int m){
         Random rand = new Random();
         char[] character = new char[m];

         for(int n=0;n<m;n++){
             character[n] = (char)(rand.nextInt(25)+97); /*随机元素*/
             int i = 0;
             while(i<n){
                 if(character[n] == character[i]){ /*如果重复，再给该位置的元素赋值，再比较，直到不重复*/
                     character[n] = (char)(rand.nextInt(25)+97);
                 }else{
                     i++;
                 }
             }
             System.out.print(character[n]);
         }
         return character;
     }

     //method2 比较器：比较随机生成的字母序列和输入的字符串;交互:正确数量、正确位置、猜的次数
     public boolean check(String in,char[] check,int number,int summerize,boolean treat){
         int counter = 0;
         int position = 0;
         treat = true;

         for(int n=0;n<number;n++){
             for(int i=0;i<in.length();i++){
                 if(check[n] == in.charAt(i)){  //String1.charAt(i) --从String1字符串里，取出第i个字母
                     counter++;
                     if(n == i){
                         position++;
                     }
                 }
             }
         }

         if((counter == number)&&(position == number)){
             System.out.println("恭喜你，都答对了.");
             treat = false;
         }else if(in.equals("exit")){
             System.out.println("退出游戏");
             treat = false;
         }else{
             System.out.println("你猜对了"+counter+"个字母，其中"+position+"个字母位置正确(总次数="+summerize+",exit——退出)");
         }

         return treat;
     }

     public static void main(String[] args){
         Scanner scan = new Scanner(System.in);

         //实例化类，再调用方法,生成字母序列
         System.out.println("欢迎参加猜字母游戏,请输入你想猜测的字母序列元素个数：");
         int num = scan.nextInt(); /*输入字母序列个数*/
         System.out.println("游戏开始，你猜测的为"+num+"个字母的序列：（exit——退出）");
         GuessCharsGame gener = new GuessCharsGame();

         char[] focus = gener.arrayChar(num);  /*调用method1，随机生成字母序列*/ 

         //输入字符串
         int sum = 0;
         boolean tar =true;
         while(tar){
             String input = scan.next();
             sum++;
             tar = gener.check(input, focus, num, sum, tar);
         }
         scan.close();
     }
 }