Here you can find the source of generateRandomCode()
public static String generateRandomCode()
//package com.java2s; /*//from w w w. jav a 2 s. co m * [y] hybris Platform * * Copyright (c) 2000-2015 hybris AG * All rights reserved. * * This software is the confidential and proprietary information of hybris * ("Confidential Information"). You shall not disclose such Confidential * Information and shall use it only in accordance with the terms of the * license agreement you entered into with hybris. */ public class Main { public static String generateRandomCode() { final StringBuffer randomString = new StringBuffer(); for (int i = 0; i < 5; i++) { char c = 'A'; c = (char) (c + (int) (Math.random() * 26)); randomString.append(c); } return randomString.toString(); } }