add

public abstract boolean add(E e)

Adds the specified element to this filter (optional operation). A return value of true ensures that contains given e will also return true.

Return

true if e was successfully added to the filter, false if this is definitely not the case

Parameters

e

element to be added to this filter

See also

Throws

if the add operation is not supported by this filter

if the class of the specified element prevents it from being added to this filter

if the specified element is null and this filter does not permit null elements

if some property of the specified element prevents it from being added to this filter