package cn.edu.dcxy;

import java.util.Random;
import java.util.Scanner;

public class GuessNumber {
    public static void main(String[] args) {
        int[] data = new int[5];
        Random r = new Random();
        for (int i = 0; i < data.length; i++) {
            data[i] = r.nextInt(20) + 1;
        }

        Scanner sc = new Scanner(System.in);
        OUT:
        while (true){
            System.out.println("請輸入一個1-20之間的整數進行猜測：");

            int guessData = sc.nextInt();
            for (int i = 0; i < data.length; i++) {
                if(guessData == data[i]){
                    System.out.println("您已經猜中了該資料，運氣不錯了！您猜中的資料索引是：" + i);
                    break OUT;
                }
            }
            System.out.println("當前猜測的資料在陣列中不存在，請重新猜測！");
        }
        for(int i = 0; i < data.length; i++) {
            System.out.print(data[i]+"\t");
        }
        System.out.println();
    }
}

猜資料遊戲。。。