/* Byte stream */
import java.io.*;

class copybytesfile {
	public static void main(String args[ ]) throws IOException {
		FileOutputStream fileOut;
		FileInputStream fileIn;
		byte text;
		try {
			fileIn = new FileInputStream("bytefile.txt");
			fileOut = new FileOutputStream("tofile.txt");

			/* Reading and writing bytes */
			do {
				text = (byte) fileIn.read();
				fileOut.write(text);
			}
			while(text != -1);
			fileIn.close();
			fileOut.close();
			System.out.println("File Copied Successfully!");
		}
		catch(FileNotFoundException e) {
			System.out.println("File not Found!");
		}
	}
}


          /****** Output ******/
          
File Not found!



----------------------



File copied successfully!