Java I/O How to - Get FileChannel from FileOutputStream








Question

We would like to know how to get FileChannel from FileOutputStream.

Answer

   //w  w  w.  j  av  a  2 s  .  c  o m

// Getting channels from streams
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.RandomAccessFile;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;

public class MainClass {
  private static final int BSIZE = 1024;

  public static void main(String[] args) throws Exception {
    FileChannel fc = new FileOutputStream("data.txt").getChannel();
    fc.write(ByteBuffer.wrap("Some text ".getBytes()));
    fc.close();
  }
}

The code above generates the following result.