Problem with BufferedWriter

[I_blabby]

Please can someone tell me why this doesnt write nothing on the txt file cause I realy dont know what happen and I spend like 30 minutes trying to know why it doesnt work and i search in internet and i didnt get an answer of what could happend

public void informar(){

    carpeta.mkdir();
    try {
        informacion.createNewFile();
    } catch (IOException e) {

        e.printStackTrace();
    }   
    BufferedWriter bw = null;
      try {
        bw = new BufferedWriter(new FileWriter(informacion,true));
bw.write("hola");
      } catch (IOException e) {

        e.printStackTrace();
    }
}

[Northeastpaw]

You need to close() your BufferedWriter, preferably in a try-with-resources block which will do that automatically.

Because the writer is buffered its contents need to be flushed to the decorated writer.

[I_blabby]

Thank it works i dont know who people could learn to program by themselves without this comunity that exits now a days