Java IO Tutorial - Java FileOutputStream(File file, boolean append) Constructor

Syntax

FileOutputStream(File file, boolean append) constructor from FileOutputStream has the following syntax.

public FileOutputStream(File file,    boolean append)     throws FileNotFoundException

Example

In the following code shows how to use FileOutputStream.FileOutputStream(File file, boolean append) constructor.

/* ww  w.  jav a 2 s  .  co m*/
import java.io.File;
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(new File("C://test1.txt"),true);

    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);
    }
    fos.close();
    fis.close();
  }
}