139 : 반복제어문2 - 형성평가A

Java

import java.util.Scanner;
 
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int num1 = sc.nextInt();
        int num2 = sc.nextInt();
 
        if (num1 < num2) {
            for (int i=1; i<=9; i++){
                for (int j=num1; j<=num2; j++)
                    System.out.printf("%d * %d = %2d   ", j, i, j*i);
                System.out.println();
            }
        }
        else {
            for (int i=1; i<=9; i++){
                for (int j=num1; num2<=j; j--)
                    System.out.printf("%d * %d = %2d   ", j, i, j*i);
                System.out.println();
            }
        }
    }
}