# 软件

**Repository Path**: sheng-chuhao/software

## Basic Information

- **Project Name**: 软件
- **Description**: 期中考试
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2024-04-27
- **Last Updated**: 2024-04-27

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

import java.util.ArrayList;
import java.util.InputMismatchException;
import java.util.Scanner;
public class NGuessNumber {
 public static Scanner scanner = new Scanner(System.in);
 public static ArrayList<Integer> answers = new ArrayList<>();
 public static ArrayList<Integer> guesses = new ArrayList<>();
 public static void main(String[] args) {
 System.out.println("欢迎来到新猜数字游戏！");
 while(true){
 answers = generateAnswer();
 while(true){
 System.out.println("请输⼊4个0-9之间不重复的整数:");
 guesses.clear();
 guesses = receiveGuesses();
 int a = getA();
 int b = getB();
 System.out.println(a+"A"+b+"B");
 if ( a == 4 && b == 0){
 System.out.println("恭喜你！猜对啦！");
 break;
 }
 }
 System.out.println("再玩⼉⼀次吗？（y/n）");
 String again = scanner.next();
 if(!again.equalsIgnoreCase("y")){
 break;
 }
 }
 }
 // ⽣成答案数字⽅法
 public static ArrayList<Integer> generateAnswer(){
 while(answers.size() < 4) {
 int answer = (int)(Math.random() * 10);
 if(!answers.contains(answer)){
 answers.add(answer);
 }
 }
 return answers;
 }
 // 接受猜测数字⽅法
 public static ArrayList<Integer> receiveGuesses() {
 while(guesses.size() < 4) {
 int guess;
 try{
 guess = scanner.nextInt();
 }catch (InputMismatchException e){
 System.out.println("请输⼊数字！");
 scanner.next();
 continue;
 }
 if(guess < 0 || guess > 9){
 System.out.println("请输⼊0-9之间的整数！");
 continue;
 }
 if(!guesses.contains(guess)){
 guesses.add(guess);
 }else {
 System.out.println("数字已经存在！");
 }
 }
 return guesses;
 }
 // 统计猜测数字中A类数字个数的⽅法
 public static int getA() {
 int a = 0;
 for(int i = 0; i < 4; i++){
 if(answers.get(i) == guesses.get(i)){
 a = a + 1;
 }
 }
 return a;
 }
 // 统计猜测数字中B类数字个数的⽅法
 public static int getB() {
 int b = 0;
 for(int i = 0; i < 4; i++){
 if(answers.contains(guesses.get(i)) && answers.get(i) !=
guesses.get(i)){
 b = b + 1;
 }
 }
 return b;
 }
}