Here you can find the source of generateRandomIntegerId()
public static String generateRandomIntegerId()
//package com.java2s; /*//from w w w .ja v a2 s. c o m * ApplicationInsights-Java * Copyright (c) Microsoft Corporation * All rights reserved. * * MIT License * Permission is hereby granted, free of charge, to any person obtaining a copy of this * software and associated documentation files (the ""Software""), to deal in the Software * without restriction, including without limitation the rights to use, copy, modify, merge, * publish, distribute, sublicense, and/or sell copies of the Software, and to permit * persons to whom the Software is furnished to do so, subject to the following conditions: * The above copyright notice and this permission notice shall be included in all copies or * substantial portions of the Software. * THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR * PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ import java.util.*; public class Main { public static String generateRandomIntegerId() { Random random = new Random(); long abs = Math.abs(random.nextLong()); return String.valueOf(abs); } }