public class Optional<V> extends java.lang.Object
static <V> Optional<V>
empty()
V
get()
boolean
isPresent()
of(V value)
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
public boolean isPresent()
public V get()
public static <V> Optional<V> of(V value)
public static <V> Optional<V> empty()