import java.io.*;

public class CopyFile {
   public static void main(String args[]) {
     // Check for two command line arguments
     if (args.length != 2) {
       System.out.println(
         "Improper arguments use:" +
           " java CopyFile infile outfile");
       System.exit(-1);
     }

     // Get infile argument
     String infile = args[0];

     // Get outfile argument
     String outfile = args[1];

     // Create variables for in/out streams
     FileInputStream fis = null;
     FileOutputStream fos = null;

     try {
       // Create in stream
       fis = new FileInputStream(infile);

       // Create out stream
       fos = new FileOutputStream(outfile);
       
      // Declare variable for each byte read
       int ch;

       // Read byte til end of file
       while ((ch = fis.read()) != -1) {
       

         // Put bytes read into out stream
         fos.write(ch);
       }

     // Catch FileNotFoundException
     } catch (FileNotFoundException e) {
       System.err.println("File not found: " + e);

     // Catch IOException
     } catch (IOException e) {
       System.err.println("I/O problems: " + e);

     // Close files
     } finally {
       if (fis != null) {
         try {
           fis.close();
         } catch (IOException ignored) {
         }
       }
       if (fos != null) {
         try {
           fos.close();
         } catch (IOException ignored) {
         }
       }
     }
   }
}