public class CollectorUtils extends Object
CollectorUtils()
static <T> Collector<T,?,T>
single()
singleOrNull()
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
public CollectorUtils()
public static <T> Collector<T,?,T> single()
public static <T> Collector<T,?,T> singleOrNull()
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