Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 Copyright 2011-2016 Google Inc. All Rights Reserved.
    
 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.Collection;

public class Main {
    public static <T> Collection<T> flatten(final Collection<? extends Collection<T>> second) {
        final Collection<T> returnList = new ArrayList<>();

        for (final Collection<T> collection : second) {
            returnList.addAll(collection);
        }

        return returnList;
    }
}