java/코드 리뷰

4. control - (3) WhileDemo3 (while문-up&down)

Astaroth아스 2020. 3. 23. 16:28
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package control;
 
import java.util.Scanner;
 
public class WhileDemo3 {
    public static void main(String[] args) {
        // 1~100까지의 임의의 정수를 하나 생성
        // 사용자가 입력한 숫자와 임의의 정수를 비교해서 up / down 표시
        // 사용자가 입력한 숫자와 임의의 정수가 일치하면 몇번만에 맞췄는지 화면에 표시
        
        Scanner sc = new Scanner(System.in);
        
        int answer = 0;
        int ran = (int) (Math.random()*100 + 1);
        int count = 0;
        
        while(true) {
            System.out.print("숫자를 입력하세요 : ");
            answer = sc.nextInt();
            count++;
 
            if(ran > answer) {
                System.out.println("입력한 숫자보다는 큽니다.");
            } else if (ran < answer){
                System.out.println("입력한 숫자보다는 작습니다");
            } else {
                System.out.println();
                System.out.println("정답 : " + ran);
                System.out.println("입력한 횟수 : " + count);
                break;
            }
        }
        
    }
}