public class CollectionTool extends Object
static <E> Set<E>
difference(Set<E> set1, Set<E> set2)
static <T,R>Set<R>
toSet(Set<T> set, java.util.function.Function<T,R> function)
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
public static <E> Set<E> difference(Set<E> set1, Set<E> set2)
E
set1
set2
public static <T,R> Set<R> toSet(Set<T> set, java.util.function.Function<T,R> function)
T
R
set
function