Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    private final static char[] HEX_DIGITS = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D',
            'E', 'F', 'a', 'b', 'c', 'd', 'e', 'f' };

    public static String bytesToHexes(byte[] bytes) {
        if (bytes == null || bytes.length == 0) {
            return null;
        }
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < bytes.length; i++) {
            sb.append(byteToHexDigits(bytes[i]));
        }
        return sb.toString();
    }

    public static String byteToHexDigits(byte b) {
        int n = b;
        if (n < 0)
            n += 256;

        int d1 = n / 16;
        int d2 = n % 16;

        return "" + HEX_DIGITS[d1] + HEX_DIGITS[d2];
    }
}