Java Type Coalesce coalesce(T... objects)

Description

Returns the first object in the supplied list of objects that isn't null.

License

Open Source License

Parameter

Parameter	Description
T	class that extends Object.
objects	the list of objects.

Return

the first object that isn't null in the list, or null if all of the objects are null.

Declaration

@SuppressWarnings("unchecked")
public static <T> T coalesce(T... objects) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2009-2016 Black Rook Software
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser Public License v2.1
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 ******************************************************************************/

public class Main {
    /**/*from   w w  w  .j ava 2s  .  c om*/
     * Returns the first object in the supplied list of objects that isn't null. 
     * @param <T> class that extends Object.
     * @param objects the list of objects.
     * @return the first object that isn't null in the list, 
     * or null if all of the objects are null.
     */
    @SuppressWarnings("unchecked")
    public static <T> T coalesce(T... objects) {
        for (int i = 0; i < objects.length; i++)
            if (objects[i] != null)
                return objects[i];
        return null;
    }
}

Related

1. coalesce(T a, T b)
2. coalesce(T o0, T o1)
3. coalesce(T preferred, T alternative)
4. coalesce(T value, T whenNullValue)
5. coalesce(T... args)
6. coalesce(T... objs)
7. coalesce(T... tests)
8. coalesce(T... ts)
9. coalesce(T... values)