import java.io.*;
public class FileIO {

  static void cp(String inF, String outF )	{
	DataInputStream in;
	DataOutputStream out;

	try { 
		in = new DataInputStream(
			new FileInputStream(inF) );
		out = new DataOutputStream(
			new FileOutputStream(outF) );
		try {
			do {
				out.writeByte (in.readByte() );
			} while ( true );
		}
		catch ( EOFException e )	{
			in.close();
			out.close();
		}
	}
	catch ( FileNotFoundException e )	{
		e.printStackTrace();
		System.out.println("Can't find the file!");
	}
	catch ( IOException e )	{  // Throws: IOException !!!
		e.printStackTrace();
		System.out.println("Could not be opened for writing!");
	}
	catch ( Exception e )	{
		System.out.println("Can't find the file!");
	}
  }

  public static void main(String args[]) {
	if ( args.length != 2 )	
		System.out.println("Usage: java FileIO f1 f2");
	else	{
		System.out.println(args[0] + "  " + args[1] );
		cp(args[0], args[1]);
	}
  }
}