Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*******************************************************************************
 * Copyright 2012-2013 Trento RISE
 * 
 * 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.ArrayList;
import java.util.HashSet;
import java.util.List;

public class Main {
    public static <T> List<T> updateList(List<T> toBeUpdated, HashSet<T> updates) {
        HashSet<T> toBeUpdatedHashSet = new HashSet<T>(toBeUpdated);
        for (T id : updates) {
            if (toBeUpdatedHashSet.contains(id)) {
                toBeUpdatedHashSet.remove(id);
            } else {
                toBeUpdatedHashSet.add(id);
            }
        }

        return new ArrayList<T>(toBeUpdatedHashSet);
    }
}