{filelink=7621}

import java.io.File;
import java.io.RandomAccessFile;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;

public class Fichiers_Permission
 {
  public static void main(String[] argv) throws Exception {
    File fichier = new File("test.txt");

  //  Autoriser la lecture et l'écriture
    FileChannel write_permit = new RandomAccessFile(fichier, "rw").getChannel();

    ByteBuffer writeAndReadbuffer = write_permit.map(FileChannel.MapMode.READ_WRITE, 0, (int) write_permit
        .size());

  }
}