import java.io.*;
public class IODemo3{
    public static void main(String[] args){
        int i;
        byte[] b=new byte[10];
        try{
            FileOutputStream out=new FileOutputStream("d:\\javacode\\dest.txt");
            for (i=0;i<10;i++){
                b[i]=(byte)(48+i);
                }
            out.write(b);
            out.close();                   
            }catch(Exception e){}
        }
    }