The
removeIf() method of
CopyonWriteArraySet method removes the element from this CopyOnWriteArraySet 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 set.
Return Value: This method returns a
boolean value such as true, if the CopyOnWriteArraySet 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 :
Program 1:
Output:
CopyOnWriteArraySet: [10, 20, 30, 40, 50, 60, 70, 80, 90]
Updated CopyOnWriteArraySet: [10, 20, 40, 50, 70, 80]
Program 2:
