Nada aparece no console e o arquivo lorem2(poema2) não é criado!

package br.com.alura.java.io.test;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.Writer;

public class TesteEscrita {

        public static void main(String[] args1) throws IOException {

            //Fluxo de entrada com arquivo
            OutputStream opt = new FileOutputStream("poema2.txt");
            Writer osw = new OutputStreamWriter(opt);
            BufferedWriter bw = new BufferedWriter(osw);

            bw.write("Concordo plenamente");
            bw.write("Concordo plenamente 2");

            bw.close();

        }
    }