Java IO Tutorial - Java DataOutputStream .writeByte (int v)

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Syntax

DataOutputStream.writeByte(int v) has the following syntax.

public final void writeByte(int v)   throws IOException

Example

In the following code shows how to use DataOutputStream.writeByte(int v) method.

//  w w w .  ja  va  2s  .c  o  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 = { 12, 15, 18, 20, 22, 24 };

    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    DataOutputStream dos = new DataOutputStream(baos);

    for (byte b : buf) {
      dos.writeByte(b);
    }
    dos.flush();

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

  }
}

The code above generates the following result.

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