숫자맞추기 게임 랜덤답 주기

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// Scanner 및 Random 메소드를 쓰기 위해 불러옴 import java.util.*;   // class명은 LetterGame public class LetterGame {     // 본문 시작     public static void main(String args[])     {         // Random 속성을 가지는 randomGenerator 변수 선언         Random randomGenerator = new Random();           // answer 변수는 0부터 100 사이의 숫자를 무작위로 하나 가진다.         int answer = randomGenerator.nextInt(100);           // 정수를 입력받아서 저장할 guess 변수 선언         int guess;           // 시도 횟수를 보여주기 위한 tries 변수를 선언하고 초기값은 0으로 함.         int tries = 0;           // scan 변수는 Scanner의 속성을 가진다.         Scanner scan = new Scanner(System.in);           // 화면에 ""안의 내용을 보여주고 줄을 바꾼다.         System.out.println("<< 0 부터 100까지 사이의 정수를 입력하세요 >>");              // 입력한 정수가 answer의 값과 같을때 까지 무한 반복         do         {             // 줄을바꾸지 않은 상태로 ""안의 내용을 출력             System.out.print("정답을 추측하여 보십시오 : ");             // 정수를 입력하여 guess변수에 저장             guess = scan.nextInt();             // 시도횟수 변수가 1증가             tries++;               // 만약 입력한 정수가 answer보다 높으면             if(guess>answer)             {                 // ""안의 내용을 출력하고 줄바꿈                 System.out.println("제시한 정수가 높습니다.");             }             // 만약 입력한 정수가 answer보다 낮으면             if(guess<answer)             {                 // ""안의 내용을 출력하고 줄바꿈                 System.out.println("제시한 정수가 낮습니다.");             }         }while(guess != answer); // guess 변수와 answer변수가 같지 않으면!!           // ""안의 내용을 출력하고 총 시도횟수를 표시해줌 -         // printf를 써서 ("축하합니다. 시도횟수 : %d", tries) 로도 사용 가능         System.out.printf("축하합니다. 시도횟수 : " + tries);     } }