import java.io.*;
public class FileReaderWriterExample
{
  public static void main(String[] args) 
                     throws IOException
   {
      // Create input stream object.
     FileInputStream fis = 
        new FileInputStream("Data");
     // Create output stream object.
     FileOutputStream fout = 
        new FileOutputStream("Data2");
     
     // Set variable for looping through bytes.
     int c;
     // Loop to read and write bytes.
     while ((c = fis.read()) != -1)
        fout.write(c);
     // Close output and input resources. 
     fis.close();
     fout.close();
    }
}