Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.util.Collection;

public class Main {
    /**
     * Adds an element to the collection unless the element is null.
     *
     * @param <T>  the type of object the {@link Collection} contains
     * @param collection  the collection to add to, must not be null
     * @param object  the object to add, if null it will not be added
     * @return true if the collection changed
     * @throws NullPointerException if the collection is null
     * @since 3.2
     */
    public static <T> boolean addIgnoreNull(final Collection<T> collection, final T object) {
        if (collection == null) {
            throw new NullPointerException("The collection must not be null");
        }
        return object != null && collection.add(object);
    }
}