Example usage for java.util Collection add

Introduction

In this page you can find the example usage for java.util Collection add.

Prototype

boolean add(E e);

Source Link

Document

Ensures that this collection contains the specified element (optional operation).

Usage

From source file:Main.java

public static <E> void addAll(Collection<E> collection, Iterator<? extends E> iterator) {
    while (iterator.hasNext()) {
        collection.add(iterator.next());
    }/*from w  w  w  . jav  a2  s .  com*/
}

From source file:demo.Converters.java

public static Collection<HttpMessageConverter<?>> getJaxbConverters() {
    Collection<HttpMessageConverter<?>> converters = new ArrayList<>();
    converters.add(new JaxbOAuth2AccessTokenMessageConverter());
    converters.add(new JaxbOAuth2ExceptionMessageConverter());
    return converters;
}

From source file:Main.java

/**
 * Add all the items from an iterable to a collection.
 *
 * @param <T>//from  w  w w  . j  a  v a2s.  c  om
 *          The type of items in the iterable and the collection
 * @param collection
 *          The collection to which the items should be added.
 * @param items
 *          The items to add to the collection.
 */
public static <T> void addAll(Collection<T> collection, Iterable<? extends T> items) {
    for (T item : items) {
        collection.add(item);
    }
}

From source file:Main.java

final static public Collection<Object> createCollection(Object[] objects) {
    Collection<Object> result = createCollection();
    for (int i = 0; i < objects.length; i++) {
        result.add(objects[i]);
    }/*  www  .ja v a 2  s .  c  o  m*/
    return result;
}

From source file:Main.java

public static <O> boolean replace(Collection<O> c, O item) {
    if (c == null) {
        return false;
    }// ww  w . j  a v a2 s .  co m

    c.remove(item);
    c.add(item);

    return true;
}

From source file:Main.java

/**
 * Adds array members to list//from   w  w  w .  j  a  va2 s  . c  o m
 * @param <T>
 * @param list
 * @param array 
 */
public static <T> Collection<T> addAll(Collection<T> list, T... array) {
    for (T item : array) {
        list.add(item);
    }
    return list;
}

From source file:Main.java

/**
 * an alternative which returns slightly more granular info than boolean pass/fail.
 * @return the number of add operations which "succeed" (modify the collection)
 * @see Collection#addAll(Collection)/* w  w  w .  j  av a2s. co  m*/
 */
public static <E> int addAll(Collection<E> collection, Iterator<? extends E> add) {
    int retVal = 0;
    while (add.hasNext())
        if (collection.add(add.next()))
            ++retVal;
    return retVal;
}

From source file:Main.java

public static Collection<Long> toIdCollection(String idList) {
    if (TextUtils.isEmpty(idList))
        return new ArrayList<Long>();
    String[] idArray = idList.split(",");
    Collection<Long> ids = new ArrayList<Long>(idArray.length);
    for (String id : idArray) {
        ids.add(Long.parseLong(id));
    }//from   w w  w  . j av  a2s. com
    return ids;
}

From source file:Main.java

public static <T> void addAll(Collection<T> c, Enumeration<T> enumeration) {
    while (enumeration.hasMoreElements()) {
        c.add(enumeration.nextElement());
    }//ww  w  . j  ava2s .  co m
}

From source file:Main.java

public static Collection<String> convertLongsToStrings(Collection<Long> longs) {
    if (longs != null) {
        Collection<String> strings = new ArrayList<String>(longs.size());
        for (long longNumber : longs) {
            strings.add(String.valueOf(longNumber));
        }/*from www. j a  va 2 s .  c  o  m*/
        return strings;
    }
    return null;
}