[백준 Java] 입출력과 사칙연산 - 2557번: Hello World

 

 

import java.io.BufferedWriter;
import java.io.OutputStreamWriter;
import java.io.IOException;

// Hello World!를 출력하시오.
public class Main {
    public static void main(String[] args) throws IOException {
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        bw.write("Hello World!");
        bw.flush();
        bw.close();
    }
}