Java BufferedOutputStream .write (int b)

public void write(int b)  throws IOException

/*from  w  w  w  .  j  a  v a 2  s  .  c o m*/
import java.io.BufferedOutputStream;
import java.io.ByteArrayOutputStream;

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

    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    BufferedOutputStream bos = new BufferedOutputStream(baos);

    int b = 87;

    bos.write(b);

    bos.flush();

    byte[] bytes = baos.toByteArray();

    System.out.println(bytes[0]);

  }
}