Java IO Tutorial - Java BufferedOutputStream.flush()

Syntax

BufferedOutputStream.flush() has the following syntax.

public void flush()  throws IOException

Example

In the following code shows how to use BufferedOutputStream.flush() method.

/*from   w w w. java2 s  . co m*/
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.FileInputStream;

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

    FileInputStream is = new FileInputStream("c:/test.txt");

    BufferedInputStream bis = new BufferedInputStream(is);

    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    BufferedOutputStream bos = new BufferedOutputStream(baos);

    int value;

    while ((value = bis.read()) != -1) {
      bos.write(value);
    }

    bos.flush();

    for (byte b : baos.toByteArray()) {

      char c = (char) b;
      System.out.println(c);
    }

  }
}