Here you can find the source of booleanValue(Boolean b, boolean def)
public static boolean booleanValue(Boolean b, boolean def)
//package com.java2s; /* Copyright (C) 2013 TU Dortmund * This file is part of AutomataLib, http://www.automatalib.net/. * //from w ww .j av a2 s . c o m * AutomataLib is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License version 3.0 as published by the Free Software Foundation. * * AutomataLib 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 AutomataLib; if not, see * http://www.gnu.de/documents/lgpl.en.html. */ public class Main { public static boolean booleanValue(Boolean b, boolean def) { return (b != null) ? b.booleanValue() : def; } public static boolean booleanValue(Boolean b) { return booleanValue(b, false); } }