/* program Test_IO.java shows File I/O */

import java.io.*;

class Test_IO {
    public static void main(String[] args) {
        if (args.length != 2) {
            System.err.println("Usage: java Test_IO <input> <output>");
            System.exit(-1);
        }
        try {
            FileInputStream in = new FileInputStream(args[0]);
            FileOutputStream out = new FileOutputStream(args[1]);

            byte[] buf = new byte[512];
            int count;
            while ((count = in.read(buf)) > 0) {
                out.write(buf, 0, count);
            }
            in.close();
            out.close();
        } 
	catch (IOException e) {  e.printStackTrace(); }
    }
}