Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    public static final int FIFTH_BITMASK = 16;
    public static final int FIRST_BITMASK = 1;
    public static final int SECOND_BITMASK = 2;
    public static final int THIRD_BITMASK = 4;

    public static byte[] hexStringToByteArray(String hexString) {
        int len = hexString.length();
        byte[] data = new byte[(len / SECOND_BITMASK)];
        for (int i = 0; i < len; i += SECOND_BITMASK) {
            data[i / SECOND_BITMASK] = (byte) ((Character.digit(hexString.charAt(i),
                    FIFTH_BITMASK) << THIRD_BITMASK)
                    + Character.digit(hexString.charAt(i + FIRST_BITMASK), FIFTH_BITMASK));
        }
        return data;
    }
}