Java BigInteger Value Check isDefined(BigInteger no)

Description

Checking if the BigInteger is set.

License

EUPL

Parameter

Parameter	Description
no	The number.

Return

true/false

Declaration

public static boolean isDefined(BigInteger no) 

Method Source Code

//package com.java2s;
/* //ww  w .java2  s .c om
 *  Copyright (c) 2010-2014 EUROPEAN UNION
 *  Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 *  the European Commission - subsequent versions of the EUPL (the "Licence");
 *  You may not use this work except in compliance with the Licence.
 *  You may obtain a copy of the Licence at: 
 *  http://ec.europa.eu/idabc/eupl
 *  
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the Licence is distributed on an "AS IS" basis,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the Licence for the specific language governing permissions and
 *  limitations under the Licence.
 *  
 *  Date: __/__/____
 *  Authors: European Commission, Joint Research Centre
 *  Lucasz Cyra, Emanuela Epure, Daniele Francioli
 *  aq-dev@jrc.ec.europa.eu
 */

import java.math.BigInteger;

import java.util.List;

public class Main {
    /**
     * Checking if an attribute is defined.
     *
     * @param field The attribute.
     * @return true/false
     */
    public static boolean isDefined(String field) {
        return field != null && !field.equals("");
    }

    /**
     * Checking if the list is not empty.
     *
     * @param list The list.
     * @return true/false
     */
    public static boolean isDefined(List<?> list) {
        return list != null && list.size() > 0;
    }

    /**
     * Checking if the BigInteger is set.
     *
     * @param no The number.
     * @return true/false
     */
    public static boolean isDefined(BigInteger no) {
        return no != null;
    }
}

Related

1. isBigger(final BigInteger big1, final BigInteger big2)
2. isCovers(BigInteger covers, BigInteger value)
3. isElementOfZn(BigInteger element, BigInteger n)
4. isEven(BigInteger x)
5. isFermatNumber(BigInteger f)
6. isGoodGaAndGb(BigInteger g_a, BigInteger p)