Java DataOutputStream.write(byte[] b, int off, int len)

public void write(byte[] b,  int off,  int len)  throws IOException

/*  w ww .  ja  v a 2  s.c  om*/

import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;

public class Main {
  public static void main(String[] args) throws IOException {

    byte[] buf = { 87, 64, 72, 31, 90 };
    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    DataOutputStream dos = new DataOutputStream(baos);

    dos.write(buf, 2, 3);

    dos.flush();

    for (byte b : baos.toByteArray()) {
      System.out.println(b);
    }
  }
}