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()); } }