4. PrintWriter print( ) and println( )

• Code that appends a string and an object to a text file:

  
      // open an output stream for appending to the text file
      PrintWriter out = new PrintWriter(
                        new BufferedWriter(
                        new FileWriter("log.txt", true)));
  
      // write a string and an object to the file
      out.print("This application was run on ");
      Date today = new Date();
      out.println(today);
  
      // flush data to the file and close the output stream 
      out.close();