Here you can find the source of unsignedIntToLong(Integer i)
public static long unsignedIntToLong(Integer i)
//package com.java2s; /*/*from www .j a v a 2 s. c o m*/ * Licensed to Booz Allen Hamilton under one or more contributor * license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright * ownership. Booz Allen Hamilton licenses this file to you * under the Apache License, Version 2.0 (the "License"); you * may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ public class Main { public static long unsignedIntToLong(Integer i) { return i & 0xffffffffL; } }