[백준 / 입출력] 2739 : 구구단 (Java)

<정답>

import java.io.*;

public class Main{
    public static void main(String args[]) throws IOException{
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringBuilder sb = new StringBuilder();
        int n = Integer.parseInt(br.readLine());
        for(int i=1; i<10; i++){
            sb.append(n).append(" * ").append(i).append(" = ").append(n*i).append("\n");
        }
        System.out.print(sb);
    }
}