Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    public static byte[] ascii2byte(String s) {
        try {
            char[] cs = s.toUpperCase().toCharArray();
            byte[] bs = new byte[cs.length / 2];
            for (int i = 0, n = bs.length; i < n; i++) {
                bs[i] = (byte) (((cs[i * 2] - 'A') << 4) | (cs[i * 2 + 1] - 'A'));
            }
            return bs;
        } catch (Exception e) {
            return null;
        }
    }
}