import java.io.IOException;

import java.io.FileNotFoundException;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.BufferedInputStream;

import java.io.BufferedOutputStream;

public class Copy{

public static void main(String[] args){

if(args.length != 2){

System.err.println("usage: java Copy srcfile dstfile");

return;

}

BufferedInputStream bis = null;

BufferedOutputStream bos = null;

FileInputStream fis = null;

FileOutputStream fos = null;

try{

fis = new FileInputStream(args[0]);

bis = new BufferedInputStream(fis);

fos = new FileOutputStream(args[1]);

bos = new BufferedOutputStream(fos);

int b;

while((b=bis.read())!=-1){

bos.write(b);

}

}catch(FileNotFoundException fnfe){

fnfe.printStackTrace();

}catch(IOException ioe){

ioe.printStackTrace();

}finally{

if(bis!=null){

try{

bis.close();

}catch(IOException ioe){

ioe.printStackTrace();

}

}

if(bos!=null){

try{

bos.close();

}catch(IOException ioe){

ioe.printStackTrace();

}

}

}

}

}