Forcing Updates to a File to the Disk

In this section, you will learn how to Updates to a file to the Disk in java.

In this program we are going to update a file forcefully. Firstly we have to make an object of OutputStream and pass a file name in which you want to update in the constructor of a FileOutputStream class. After that pass some data to the stream. The methods we are using in this class has already been discussed in other topics.

Code of the program is given below:


import java.io.*;



public class ForcingUpdates

{

  public static void main(String[] args) 

  {

  try 

  {

  // Open or create the output file

  OutputStream os = new FileOutputStream("tapan.txt");

  

  // Write some data to the stream

  byte[] data = new byte[]

  {

  (byte)124,(byte)66 };

  os.write(data);

  os.close();

  } 

  catch (IOException e) 

  {

  System.out.println("The exception has been thrown : " + e);

  }

  System.out.println("Congrats you have entered the text forcefully");

  }

}

Output is given below:

C:\ForcingUpdates>java ForcingUpdates
Congrats you have entered the text forcefully

Download this example

Forcing Updates to a File to the Disk

Forcing Updates to a File to the Disk

Forcing Updates to a File to the Disk

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