[백준] 반복문 - 2438_별 찍기 - 1 Java[자바]

[Bronze V]

반복문의 기본 별찍기 문제

import java.io.*;

public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        
        int num = Integer.valueOf(br.readLine());
        
        for(int i = 1; i <= num; i++) {
            for(int j = 0; j < i; j++) {
                bw.write("*");
            }
            bw.write("\n");
        }
        bw.flush();
        bw.close();
    }
}