o0daxu0o的博客

题目：例如将String="1234567890ABCDEF"转换为byte[]={0x12,0x34,0x56,0x78,0x90,0xAB,0xCD,0xEF}代码如下：publicclassjavaHexStr { publicstaticbyte[]str2Bcd(Stringasc){ intlen=asc.length(); intmod=len%2; if(mod!=0){...

public class CRC16 { static int crctab16[] = { 0X0000, 0X1189, 0X2312, 0X329B, 0X4624, 0X57AD, 0X6536, 0X74BF, 0X8C48, 0X9DC1, 0XAF5A, 0XBED3, 0XCA6C, 0XDBE5, 0XE97E, 0XF8F7, 0X1081, 0X0108, 0X3393, 0X221A, 0X56A5, 0X472C, 0X75B7, 0X643E,...

import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;public class Main {public static void main(String[] args) {String password = "o0daxu0o";StringBuf

1.下载JDK 1.8打开：http://download.youkuaiyun.com/download/aqtata/8599477下载JDK安装文件2.找到你下载文件的目录，使用下面的命令我的是用firefox下载的，在下载文件夹敲命令sudo tar zxvf  jdk-8u45-linux-x64.tar.gz  -C  /usr/lib/jvm