Here you can find the source of toUnsignedInt(int value)
public static long toUnsignedInt(int value)
//package com.java2s; /*/*w w w . ja v a 2 s . co m*/ * Water Quality Monitor Java Basestation * Copyright (C) 2013 nigelb * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 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 General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ public class Main { public static long toUnsignedInt(int value) { if (value >= 0) { return value; } else { return ((long) value) >>> 32; } } }