Example usage for java.util List addAll

Introduction

In this page you can find the example usage for java.util List addAll.

Prototype

boolean addAll(Collection<? extends E> c);

Source Link

Document

Appends all of the elements in the specified collection to the end of this list, in the order that they are returned by the specified collection's iterator (optional operation).

Usage

From source file:Main.java

public static <T> List<T> addAll(List<T> listeDestination, List<T> listeAInserer) {
    if (listeDestination == null && listeAInserer == null) {
        return new ArrayList<T>();
    }/*from w ww.  ja  va 2  s  .  c  o m*/
    if (listeDestination == null && listeAInserer != null) {
        return new ArrayList<T>(listeAInserer);
    }
    if (listeDestination != null && listeAInserer == null) {
        return new ArrayList<T>(listeDestination);
    }
    final List<T> listeRetour = new ArrayList<T>(listeDestination);
    listeRetour.addAll(listeAInserer);
    return listeRetour;
}

From source file:Main.java

public static <T> List<T> prepend(final T value, final List<T> list) {
    final List<T> values = new ArrayList<T>();
    values.add(value);//  w  ww  .  j a v  a2 s  .  c  om
    values.addAll(list);
    return values;
}

From source file:Main.java

private static void addToList(List<Uri> arrayList, List<Uri> arrayList2) {
    if (arrayList != null && arrayList.size() > 0) {
        arrayList2.addAll(arrayList);
    }/*  www.  j  ava2 s . c  o  m*/
}

From source file:Main.java

public static <T> List<T> createListFromList(Collection<T> collection) {
    List<T> newList = new ArrayList<T>();

    if (collection != null) {
        newList.addAll(collection);
    }/*from www .j a  v  a  2s . c  om*/

    return newList;
}

From source file:Main.java

private static List<String> filterParamNamesWithObjectValue(Map<String, Object> paramValueMap,
        List<String> ignoreParamNameList) {
    List<String> filteredParamNames = new ArrayList<>(paramValueMap.size());
    filteredParamNames.addAll(paramValueMap.keySet());
    if (ignoreParamNameList != null && ignoreParamNameList.size() > 0) {
        for (String ignoreParamName : ignoreParamNameList) {
            filteredParamNames.remove(ignoreParamName);
        }/*from w  ww. j a va2 s . co  m*/
    }
    return filteredParamNames;
}

From source file:Main.java

public static <K, V> void findInMultimap(Map<K, List<V>> map, K key, List<V> result) {
    List<V> tmp = map.get(key);
    if (tmp != null)
        result.addAll(tmp);
}

From source file:Main.java

/**
 * Joins all given elements in a single (flat) List.
 * //from w  w w. j a v  a2 s.  com
 * @param element first element to include in the list
 * @param otherElements other elements to include in the list
 * @param <T> the elements type
 * @return a list combining all given elements
 */
public static <T> List<T> join(T element, List<T> otherElements) {
    final List<T> result = new ArrayList<>();
    result.add(element);
    result.addAll(otherElements);
    return result;
}

From source file:Main.java

public static <T> List<T> concatenate(Collection<? extends Collection<T>> lists) {
    List<T> list = new ArrayList<T>();
    for (Collection<T> c : lists) {
        list.addAll(c);
    }/*  w w  w  .  j av a2  s. com*/
    return list;
}

From source file:Main.java

public static <T> List<T> joinListValues(Map<?, List<T>> map) {
    List<T> joinedValues = new ArrayList<>();
    for (List<T> list : map.values()) {
        joinedValues.addAll(list);
    }/*from  w ww .j a va2 s . c o  m*/
    return joinedValues;
}

From source file:Main.java

public static <E> List<E> flatten(Collection<? extends Collection<E>> nested) {
    List<E> flat = new LinkedList<>();
    for (Collection<E> current : nested) {
        flat.addAll(current);
    }//  w  w  w  .ja  va2s. co  m
    return flat;
}