import java.io.*; public class jCOPY {    public static void main(String args[]){      try {        jCOPY j = new jCOPY(); j.CopyFile(new File(args[0]),new File(args[1]));        }      catch (Exception e) {        e.printStackTrace();        }      }    public void CopyFile(File in, File out) throws Exception {      FileInputStream fis  = new FileInputStream(in);      FileOutputStream fos = new FileOutputStream(out);      byte[] buf = new byte[1024];      int i = 0;      while((i=fis.read(buf))!=-1) {        fos.write(buf, 0, i);        }      fis.close();      fos.close();      }    }