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

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Syntax

DataOutputStream.write(byte[] b, int off, int len) has the following syntax.

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

Example

In the following code shows how to use DataOutputStream.write(byte[] b, int off, int len) method.

/*  ww  w.ja  v a  2 s . co  m*/

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);
    }
  }
}

The code above generates the following result.

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