[2588/JAVA] 곱셈

import java.util.Scanner;
public class Main{
    public static void main(String[] args){
        int a,b;
        Scanner sc = new Scanner(System.in);
        a = sc.nextInt();
        b = sc.nextInt();

        sc.close();
        System.out.println(a*(b%10));
        System.out.println(a*(b/10%10));
        System.out.println(a*(b/100));
        System.out.println(a*b);
}
}

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자릿수 빼오기

나머지연산자랑 나누기를 이용해서 하나하나 자릿수를 빼와서 연산한다