[Java] 명품 자바 프로그래밍(Java Programming) 3장 Open Challenge

 
package ch02;
 
import java.util.Random;
import java.util.Scanner;
 
public class OpenChallenge02 {
    @SuppressWarnings("resource")
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        Random rnd = new Random();
 
        boolean gameFlag = true;
        int count = 1;
        int randomNum = 0;
        int matchedNum = 0;
 
        int maxNum = 0;
        int minNum = 0;
 
        while (gameFlag) {
            maxNum = 99;
            minNum = 0;
            count = 1;
 
            randomNum = rnd.nextInt(100);
            // System.out.println(randomNum);
            
            System.out.println("수를 결정했습니다. 맞추어 보세요");
            System.out.println(minNum + "-" + maxNum);
            System.out.print(count + ">>");
            matchedNum = scan.nextInt();
 
            while (randomNum != matchedNum) {
                if (randomNum > matchedNum) {
                    System.out.println("더 크게");
                    minNum = matchedNum;
                } else {
                    System.out.println("더 작게");
                    maxNum = matchedNum;
                }
                count++;
                System.out.println(minNum + "-" + maxNum);
                System.out.print(count + ">>");
                matchedNum = scan.nextInt();
            }
 
            System.out.println("맞췄습니다!!");
            System.out.print("다시하시겠습니까(y/n)>>");
            if (scan.next().equals("n")) {
                return;
            }
        }
    }
}
 

실행 결과: