Reader i Writer so zapisuvanje vo file

import java.io.*;
import java.io.File;

public class Main {
    public static void main(String[] args) throws IOException {
        InputStreamReader reader=new InputStreamReader(System.in);
        //reader koj zima nekoj input stream
        OutputStreamWriter writer=new OutputStreamWriter(new FileOutputStream("izlez.txt"));
        //writer koj go zima output i go cita

        char pom='1';
        while (pom!= '0')
        {
            pom=(char)reader.read();
            writer.write(pom);
        }
        reader.close();
        writer.close();
    }
}