Here you can find the source of intToLong(int high, int low)
public static long intToLong(int high, int low)
//package com.java2s; /**/*from w w w . j a v a2 s . co m*/ * Copyright 2010 Yuxuan Huang. All rights reserved. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ public class Main { public static long intToLong(int high, int low) { return (((long) high) << 32) | (((long) low) & 0xffffffffl); } }