The
removeIf() method of
CopyOnWriteArrayList removes the element from this CopyOnWriteArrayList that satisfies the specified condition.
Syntax:
public boolean removeIf (Predicate<E> filter)
Parameters: This method accepts a mandatory parameter filter which is the
predicate value based on which elements are removed from this List.
Return Value: This method returns a
boolean value such as true, if the
CopyOnWriteArrayList is changed. Else this method returns false.
Exceptions: This method throws
NullPointerException if the specified Predicate filter is null.
Below program illustrates the removeIf() function of CopyOnWriteArrayList class :
Output:
CopyOnWriteArrayList: [2, 3, 4, 7, 6, 9]
Updated CopyOnWriteArrayList: [2, 4, 7]
