Java Utililty Methods LinkedBlockingQueue

BlockingQueue createLinkedBlockingQueue(Collection collection)
create Linked Blocking Queue

if (collection == null) {
 return new LinkedBlockingQueue<E>();
return new LinkedBlockingQueue<E>(collection);

Collection getCollection(Class collectionType)
Given any of the known collection types, this method will return an instance of the collection.

if (HashSet.class.equals(collectionType)) {
 return new HashSet<Object>();
} else if (TreeSet.class.equals(collectionType)) {
 return new TreeSet<Object>();
} else if (CopyOnWriteArraySet.class.equals(collectionType)) {
 return new CopyOnWriteArraySet<Object>();
} else if (LinkedHashSet.class.equals(collectionType)) {
 return new LinkedHashSet<Object>();
...

Collection getCollection(Class propertyType)
get Collection

if (!Collection.class.isAssignableFrom(propertyType)) {
 throw new Error("Expected property to be a collection while it was " + propertyType.getCanonicalName());
if (Set.class.isAssignableFrom(propertyType)) {
 if (TreeSet.class.isAssignableFrom(propertyType)) {
 return new TreeSet<Object>();
 } else if (ConcurrentSkipListSet.class.isAssignableFrom(propertyType)) {
 return new ConcurrentSkipListSet<Object>();
...

LinkedBlockingQueue newLinkedBlockingQeque(int capacity)
new Linked Blocking Qeque

return new LinkedBlockingQueue<E>(capacity);

LinkedBlockingQueue newLinkedBlockingQueue(final Collection c)
new Linked Blocking Queue

return new LinkedBlockingQueue<E>(c);