Simple Program for Reading Writing Content From File

Program for reading content from file:

import java.io.*;
public class MyFirstFilereadingApp
{
 // Main method
 public static void main (String args[])
 {
  // Stream to read file
  FileInputStream fin;
  try
  {
      // Open an input stream
      fin = new FileInputStream ("c:\\myfile1.txt");
      // Read a line of text
      System.out.println( new DataInputStream(fin).readLine() );
      // Close our input stream
      fin.close();
  }
  // Catches any error conditions
  catch (IOException e)
  {
   System.err.println ("Unable to read fr! om file");
   System.exit(-1);
  }
}
}

Program for writing content from file:

import java.io.*;
public class MyFirstFileWritingApp
{
 // Main method
 public static void main (String args[])
 {
  // Stream to write file
  FileOutputStream fout;
  try
  {
      // Open an output stream
      fout = new FileOutputStream ("c:\\myfile1.txt");
      // Print a line of text
      new PrintStream(fout).println ("hello world!");
      // Close our output stream
      fout.close();
  }
  // Catches any error conditions
  catch (IOException e)
  {
   System.err.println ("Unable to write to file");
   System.exit(-1);
  }
 }
}

Java Tips by : Ilango Van

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