Java Type Coalesce coalesce(T... objs)

Description

Returns first non null object or null if all objects are null

License

Open Source License

Parameter

Parameter	Description
objs	a parameter

Return

First null argument, or null if they are all null

Declaration

@SafeVarargs
public static <T> T coalesce(T... objs) 

Method Source Code

//package com.java2s;
/*/*www .  j  ava  2  s  .c  o m*/
 * SonarQube Scanner for Maven
 * Copyright (C) 2009-2017 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program 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.
 *
 * This program 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 this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

public class Main {
    /**
     * Returns first non null object or null if all objects are null
     * @param objs
     * @return First null argument, or null if they are all null
     */
    @SafeVarargs
    public static <T> T coalesce(T... objs) {
        for (T o : objs) {
            if (o != null) {
                return o;
            }
        }
        return null;
    }
}

Related

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