/*
Determine number of bytes written to DataOutputStream
This Java example shows how to determine total number of bytes written to
the output stream using size method of DataOutputStream class.
*/
import java.io.DataOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
public class NumberOfBytesWritten {
public static void main(String[] args) {
String strFilePath = "C://FileIO//NumberOfBytes.txt";
try
{
//create FileOutputStream object
FileOutputStream fos = new FileOutputStream(strFilePath);
/*
* To create DataOutputStream object from FileOutputStream use,
* DataOutputStream(OutputStream os) constructor.
*
*/
DataOutputStream dos = new DataOutputStream(fos);
String str = "Example to show number of bytes written to stream";
dos.writeBytes(str);
/*
* To determine total number of bytes written to underlying stream, use
* int size() method.
*
*/
int bytesWritten = dos.size();
System.out.println("Total " + bytesWritten + " bytes are written to stream.");
dos.close();
}
catch (IOException e)
{
System.out.println("IOException : " + e);
}
}
}
