Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2004-2012 the original author or authors.
 *
 * Licensed 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.List;

public class Main {
    /**
     * Add all given objects to given target list. No duplicates will be added. The contains() method of the given
     * target list will be used to determine whether or not an object is already in the list.
     * @param target the collection to which to objects will be added
     * @param objects the objects to add
     * @return whether or not the target collection changed
     */
    public static <T> boolean addAllNoDuplicates(List<T> target, T... objects) {
        if (objects == null || objects.length == 0) {
            return false;
        } else {
            boolean changed = false;
            for (int i = 0; i < objects.length; i++) {
                if (!target.contains(objects[i])) {
                    target.add(objects[i]);
                    changed = true;
                }
            }
            return changed;
        }
    }
}