Append output to file using FileOutputStream

    package org.best.example;
    /*
      Append output to file using FileOutputStream
      This example shows how to append byte data to a file using write method of
      Java FileOutputStream object.
    */
    
    import java.io.*;
    
    public class AppendToFile {
    
      public static void main(String[] args) {
      
        String strFilePath = "C://FileIO//demo.txt";
      
         try
         {
           /*
            * To append output to a file, use
            * FileOutputStream(String file, booean blnAppend) or
            * FileOutputStream(File file, booean blnAppend) constructor.
            *
            * If blnAppend is true, output will be appended to the existing content
            * of the file. If false, file will be overwritten.
            */
          
          FileOutputStream fos = new FileOutputStream(strFilePath, true);
          String strContent = "Append output to a file example";
        
           fos.write(strContent.getBytes());
        
          /*
           * Close FileOutputStream using,
           * void close() method of Java FileOutputStream class.
           *
           */
        
           fos.close();
        
         }
         catch(FileNotFoundException ex)
         {
          System.out.println("FileNotFoundException : " + ex);
         }
         catch(IOException ioe)
         {
          System.out.println("IOException : " + ioe);
         }
      
      }
    }