Java IO Tutorial - Java FileOutputStream.write(int b)

Syntax

FileOutputStream.write(int b) has the following syntax.

public void write(int b)  throws IOException

Example

In the following code shows how to use FileOutputStream.write(int b) method.

/*ww  w  . j  ava  2 s .  c o  m*/

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

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

    byte b = 66;
    int i = 0;
    FileOutputStream fos = new FileOutputStream("C://test.txt");

    fos.write(b);

    fos.flush();

    FileInputStream fis = new FileInputStream("C://test.txt");

    // read till the end of the file
    while ((i = fis.read()) != -1) {
      // convert integer to character
      char c = (char) i;

      System.out.print(c);
    }

  }
}