I do not understand why it is not writing to the file while it is writing to the console. Where do I go wrong? 
package com.codegym.task.task19.task1917;

/*
Your own FileWriter

*/

import java.io.*;

public class FileConsoleWriter {
    //1. The FileConsoleWriter class must contain a private FileWriter field called fileWriter that should not be initialized immediately.
    private FileWriter fileWriter;

    //2. The FileConsoleWriter class must have five constructors that initialize the fileWriter for writing.

    public FileConsoleWriter(FileDescriptor fileDescriptor) throws IOException {
        fileWriter = new FileWriter(fileDescriptor);
    }

    public FileConsoleWriter(String s) throws IOException {
        fileWriter = new FileWriter(s);

    }

    public FileConsoleWriter(File file) throws IOException {
        fileWriter = new FileWriter(file);
    }

    public FileConsoleWriter(String s, boolean append) throws IOException {
        fileWriter = new FileWriter(s, append);
    }

    public FileConsoleWriter(File file, boolean append) throws IOException {
        fileWriter = new FileWriter(file, append);
    }

    //3. The FileConsoleWriter class must have a write(char[] cbuf, int off, int len) throws IOException method,
// which should write data to fileWriter as well as the console.
    public void write(char[] cbuf, int off, int len) throws IOException {
        fileWriter.write(cbuf, off, len);
        System.out.print(new String(cbuf).substring(off, off + len));

    }

    public void write(int c) throws IOException {
        fileWriter.write(c);
        System.out.println((char) c);

    }

    //FileWriter can write entire Strings
    public void write(String str) throws IOException {
        fileWriter.write(str);
        System.out.println(str);

    }

    public void write(String str, int off, int len) throws IOException {
        fileWriter.write(str, off, len);
        System.out.println(str.substring(off, off + len));

    }

    public void write(char[] cbuf) throws IOException {
        fileWriter.write(cbuf);
        for (int i = 0; i < cbuf.length; i++) {
            System.out.print(cbuf[i]);
        }
    }

    public void close() throws IOException {
        fileWriter.close();

    }

    public static void main(String[] args) throws IOException {
        FileConsoleWriter fw = new FileConsoleWriter("/Users/lilianetop/Desktop/taak1917.txt");

        fw.write("Liliane is playing with the FileWriter");//why is this  not added to the file?
        char[] buffer = new char[6];
        buffer[0] = 'l';
        buffer[1] = 'i';
        buffer[2] = 'l';
        buffer[3] = 'a';
        buffer[4] = 'n';
        buffer[5] = 'e';
        fw.write(buffer);

        FileReader fr = new FileReader("/Users/lilianetop/Desktop/taak1917.txt");//returns empty
        System.out.println();
        while (fr.ready()) {
            System.out.print((char) fr.read());//output is byte so needs to be cast to char
        }

    }

}