boolean

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

 boolean

addAll(Collection c)
Adds all of the elements in the specified collection to this collection (optional operation).

 void

clear()
Removes all of the elements from this collection (optional operation).

 boolean

contains(Object o)
Returns true if this collection contains the specified element.

 boolean

containsAll(Collection c)
Returns true if this collection contains all of the elements in the specified collection.

 boolean

equals(Object o)
Compares the specified object with this collection for equality.

 int

hashCode()
Returns the hash code value for this collection.

 boolean

isEmpty()
Returns true if this collection contains no elements.

 Iterator

iterator()
Returns an iterator over the elements in this collection.

 boolean

remove(Object o)
Removes a single instance of the specified element from this collection, if it is present (optional operation).

 boolean

removeAll(Collection c)
Removes all this collection's elements that are also contained in the specified collection (optional operation).

 boolean

retainAll(Collection c)
Retains only the elements in this collection that are contained in the specified collection (optional operation).

 int

size()
Returns the number of elements in this collection.

 Object[]

toArray()
Returns an array containing all of the elements in this collection.

 Object[]

toArray(Object[] a)
Returns an array containing all of the elements in this collection; the runtime type of the returned array is that of the specified array.