Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.security.MessageDigest;

public class Main {
    /**
     * md5
     * 
     * @param str
     * @return
     */
    public static String md5(String str) {
        try {
            MessageDigest messageDigest = MessageDigest.getInstance("MD5");
            messageDigest.reset();
            messageDigest.update(str.getBytes("UTF-8"));
            byte[] byteArray = messageDigest.digest();
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < byteArray.length; i++) {
                if (Integer.toHexString(0xFF & byteArray[i]).length() == 1) {
                    sb.append("0").append(Integer.toHexString(0xFF & byteArray[i]));
                } else {
                    sb.append(Integer.toHexString(0xFF & byteArray[i]));
                }
            }

            return sb.toString();
        } catch (Exception e) {
            e.printStackTrace();
        }

        return str;
    }
}