Method Summary |
|
public boolean | add(Object o) Adds an element to this collection. |
public void | clear() Clears this collection. |
public boolean | contains(Object o) Indicates whether this collection contains a specified
element. |
public int | hashCode() Returns a hash code value for this collection. |
public Iterator | iterator() Returns an iterator over this collection. |
public boolean | remove(Object o) Removes a specified element from this collection.
The unwrapped element is removed from the underlying collection.
Note that this collection can never contain null
values or values of other classes than
Double Double .
In those cases, this method will return false.
Parameters: o - the Double value to remove from this collection. |
public boolean | removeAll(Collection c) Removes all the elements of a specified collection from
this collection. |
public boolean | retainAll(Collection c) Retains only the elements of a specified collection in
this collection. |
public int | size() Returns the number of elements in this collection. |