Java List Concatenate concatenate(List> lists)

Description

Convert the list of lists into a single list

License

Open Source License

Declaration

public static <T> List<T> concatenate(List<List<T>> lists) 

Method Source Code

//package com.java2s;
/**/*from   ww  w  .j a  v  a2 s  .c om*/
  * Copyright 2014 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.List;

public class Main {
    /**
      * Convert the list of lists into a single list
    */
    public static <T> List<T> concatenate(List<List<T>> lists) {
        List<T> result = new ArrayList<T>();
        for (List<T> list : lists) {
            result.addAll(list);
        }
        return result;
    }
}

Related

1. concatArraysToList(final T[]... arrays)
2. concatCsvLine(List values, String fieldSeparator)
3. concateAliases(List aliases)
4. concatElementsWithBrackets(List input)
5. concatenate(List aList)
6. concatenate(List