Functional interfaces can be used to perform several important operations on collections.
Section 9.1: Removing Elements from a Collection
The removeIf method
can be used to remove elements from a Collection object
whose Iterator supports the remove operation.
default boolean removeIf(Predicate<? super E> filter);
If the predicate supplied to the removeIf method is true for an element of the collection, that element is removed from the collection. If the Collection object’s Iterator does not support the remove operation, an UnsupportedOperationException will be thrown. In the following ...
