import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
/**
 * @author lihaoran
 */
@SuppressWarnings("ALL")
public class MyOD {
    public static String format(byte []bt){
        int line=0 ;
        StringBuilder buf=new StringBuilder() ;
        for(byte d:bt){
            if(line%16==0) {
                buf.append(String.format("%05x: ", line)) ;
            }
            buf.append(String.format("%02x  ", d)) ;
            line++ ;
            if(line%16==0) {
                buf.append("\n");
            }
        }
        buf.append("\n") ;
        return buf.toString();
    }
    public static byte[] readFile(String file) throws IOException{
        InputStream is=new FileInputStream(file) ;
        int length=is.available() ;
        byte[] bt = new byte[length];
        is.read(bt) ;
        return bt;
    }
    public static  void main(String[]agrs) throws IOException{
        byte []bt=MyOD.readFile("D:/Java/OD.txt");
        String hexData=MyOD.format(bt) ;
        System.out.println(hexData);
    }
}