Java Example on StringBuffer To File

         public class JavaStringBufferToFileExample
   {
     public static void main(String[] args) throws IOException
     {
       //create StringBuffer object
       StringBuffer sbf = new StringBuffer();
      
       //StringBuffer contents
       sbf.append("StringBuffer contents first line.");
       //new line
       sbf.append(System.getProperty("line.separator"));
       //second line
       sbf.append("StringBuffer contents second line.");
      
       /*
       * To write contents of StringBuffer to a file, use
       * BufferedWriter class.
       */
      
       BufferedWriter bwr = new BufferedWriter(new FileWriter(new File("d:/demo.txt")));
      
       //write contents of StringBuffer to a file
       bwr.write(sbf.toString());
      
       //flush the stream
       bwr.flush();
      
       //close the stream
       bwr.close();
      
       System.out.println("Content of StringBuffer written to File.");
     }
   }