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 <T> void move(Collection<T> fromCollection, Collection<T> toCollection) {
    for (Iterator<T> i = fromCollection.iterator(); i.hasNext();) {
        T element = i.next();//from   w ww  . ja  v a 2s . c  o  m
        i.remove();

        toCollection.add(element);
    }
}

From source file:Main.java

private static void extractAddedEntries(final Collection<String> oldCollection,
        final Collection<String> updatedCollection, final Collection<String> addedEntriesCollection) {
    for (final String entry : updatedCollection) {
        if (!oldCollection.contains(entry)) {
            addedEntriesCollection.add(entry);
        }//from  www  .  j ava  2  s.c  om
    }
}

From source file:com.enonic.cms.core.content.ContentKey.java

public static Collection<ContentKey> convertToList(int key) {
    Collection<ContentKey> list = new ArrayList<ContentKey>(1);
    list.add(new ContentKey(key));
    return list;/*from  w w w .j  a  v  a2 s.co m*/
}

From source file:com.enonic.cms.core.log.LogEntryKey.java

public static Collection<LogEntryKey> convertToList(String[] array) {
    if (array == null || array.length == 0) {
        return null;
    }//from   ww  w  .  jav  a  2  s  . c o m

    Collection<LogEntryKey> list = new ArrayList<LogEntryKey>(array.length);
    for (String value : array) {
        list.add(new LogEntryKey(value));

    }
    return list;
}

From source file:com.swtxml.util.lang.CollectionUtils.java

/**
 * Returns a new collection containing the result from
 * function.apply(element) for all elements from collection.
 *///from  ww w .ja  v a 2 s . co m
@SuppressWarnings("unchecked")
public static <FROM, TO> Collection<TO> collect(Collection<? extends FROM> collection,
        IFunction<FROM, TO> function) {
    Collection<TO> resultList = createCollection(collection);
    for (FROM a : collection) {
        resultList.add(function.apply(a));
    }
    return resultList;
}

From source file:Main.java

public static <T> int addAllThatDontExist(final Collection<T> source, final Collection<T> destination) {
    int count = 0;
    for (final T sourceItem : source) {
        if (!destination.contains(sourceItem)) {
            destination.add(sourceItem);
            ++count;//w  ww .  j av a2  s. c  o  m
        }
    }

    return count;
}

From source file:Main.java

/**
 * Transfer up to 'maxElems' elements from the source to the destination.
 *///from  w  w  w  .j av a 2s  . co  m
public static void transfer(Collection source, Collection dest, int maxElems) {
    int j = 0;
    for (Iterator i = source.iterator(); i.hasNext() && j < maxElems; j++) {
        dest.add(i.next());
        i.remove();
    }
}

From source file:Main.java

private final static void extractAddedEntries(final Collection<String> oldCollection,
        final Collection<String> updatedCollection, final Collection<String> addedEntriesCollection) {
    for (final String entry : updatedCollection) {
        if (!oldCollection.contains(entry)) {
            addedEntriesCollection.add(entry);
        }//from  ww  w.ja  v  a  2s  . c om
    }
}

From source file:Main.java

private static void extractRemovedEntries(final Collection<String> oldCollection,
        final Collection<String> updatedCollection, final Collection<String> removedEntriesCollection) {
    for (final String string : oldCollection) {
        if (!updatedCollection.contains(string)) {
            removedEntriesCollection.add(string);
        }/*from  w w w .ja v a  2s . c  o m*/
    }
}

From source file:Main.java

/**
 * Adds all elements to the {@link Collection}. 
 * @param <T> The type of the {@link Collection}s elements.
 * @param collection The {@link Collection} to add to.
 * @param elementsToAdd The elements to add.
 *///from ww  w . java2  s . com
public static <T> void addAll(Collection<T> collection, T... elementsToAdd) {
    if (collection != null && elementsToAdd != null) {
        for (T toAdd : elementsToAdd) {
            collection.add(toAdd);
        }
    }
}