Java FileChannel.read(ByteBuffer dst, long position)

public abstract int read(ByteBuffer dst, long position)   throws IOException

import java.io.FileInputStream;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
/*from w  w w  .  j a va2  s. co m*/
public class Main {
  public static void main(String args[]) throws Exception {
    FileInputStream fIn = new FileInputStream("test.txt");
    FileChannel fChan = fIn.getChannel();

    long fSize = fChan.size();
    ByteBuffer mBuf = ByteBuffer.allocate((int) fSize);

    fChan.read(mBuf,10);
    mBuf.rewind();

    for (int i = 0; i < fSize; i++){
      System.out.print((char) mBuf.get());
    }
    fChan.close();
    fIn.close();
  }
}