//BufferedInputstream Demo
import java.io.*;
import java.util.*;


public class BufferedDemo {
   public static void main(String[] args) {
      InputStream is;
      int ch;
      System.out.println("Start! " + new Date());
      try {
      	 File myfile = new File(args[0]);
         is = new BufferedInputStream(new FileInputStream(myfile));
         while ((ch=is.read()) != -1) {
         // read entire file
         }
      }
      catch (IOException io) {
         System.out.println(io);
         System.exit(-1);
      }
         System.out.println("Stop! " + new Date());
   }
}