Java examples for java.lang:boolean
Negates the specified evaluation of the Boolean value, which is determined by the BooleanUtils.valueOf method.
/*/*from ww w .ja v a 2s . c om*/ * Copyright (c) 2011-Present. Codeprimate, LLC and authors. All Rights Reserved. * * This software is licensed under the Codeprimate End User License Agreement (EULA). * This software is proprietary and confidential in addition to an intellectual asset * of the aforementioned authors. * * By using the software, the end-user implicitly consents to and agrees to be in compliance * with all terms and conditions of the EULA. Failure to comply with the EULA will result in * the maximum penalties permissible by law. * * In short, this software may not be reverse engineered, reproduced, copied, modified * or distributed without prior authorization of the aforementioned authors, permissible * and expressed only in writing. The authors grant the end-user non-exclusive, non-negotiable * and non-transferable use of the software "as is" without expressed or implied WARRANTIES, * EXTENSIONS or CONDITIONS of any kind. * * For further information on the software license, the end user is encouraged to read * the EULA @ ... */ //package com.java2s; public class Main { public static void main(String[] argv) throws Exception { boolean value = true; System.out.println(negate(value)); } /** * Negates the specified evaluation of the Boolean value, which is determined by the BooleanUtils.valueOf method. * If the Boolean wrapper object is null or false, then this method returns true. If the Boolean wrapper object * is true, then this method returns false. * * @param value the Boolean value being negated. * @return a negated boolean value of the specified Boolean wrapper object. * @see #valueOf(Boolean) */ public static boolean negate(final Boolean value) { return !valueOf(value); } /** * Determines the primitive boolean value of the specified Boolean wrapper object. The Boolean value is true * if and only if it is equal to Boolean.TRUE. This method handles null values. * * @param value the Boolean wrapper value to convert to a primitive boolean value. * @return a primitive boolean value equivalent to the value of the Boolean wrapper object. * @see java.lang.Boolean */ public static boolean valueOf(final Boolean value) { return Boolean.TRUE.equals(value); } }