Java Object to Double asDouble(Object o)

Description

Converts the given object to a Double

License

LGPL

Parameter

Parameter	Description
o	an object of some <code>Number</code> type

Return

a Double that is equivalent to the given object or null if the object is not an instance of Number

Declaration

public static Double asDouble(Object o) 

Method Source Code

//package com.java2s;
/*/*from  w w w  . j a  va 2s . c  o  m*/
 * Copyright 2007-2013
 * Licensed under GNU Lesser General Public License
 * 
 * This file is part of EpochX: genetic programming software for research
 * 
 * EpochX 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.
 * 
 * EpochX 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 EpochX. If not, see <http://www.gnu.org/licenses/>.
 * 
 * The latest version is available from: http://www.epochx.org
 */

public class Main {
    /**
     * Converts the given object to a <code>Double</code>
     *
     * @param o an object of some <code>Number</code> type
     * @return a <code>Double</code> that is equivalent to the given object or
     * <code>null</code> if the object is not an instance of <code>Number</code>
     */
    public static Double asDouble(Object o) {
        if (o instanceof Number) {
            return ((Number) o).doubleValue();
        }

        return null;
    }
}

Related

1. asDouble(final Object o)
2. asDouble(final Object object)
3. asDouble(Object obj)
4. asDouble(Object val, Double def)
5. asDouble(Object value)
6. asDouble(Object value)