538 : 반복제어문1 - 자가진단3

Java

import java.util.Scanner;
 
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int num = -1;
 
        while (num != 0){
            System.out.print("number? ");
            num = sc.nextInt();
 
            if (0 < num)
                System.out.println("positive integer");
            else if (num < 0)
                System.out.println("negative number");
            else if (num == 0)
                break;
        }
    }
}