Package com.nimbusds.jose.util

Class CollectionUtils

java.lang.Object

com.nimbusds.jose.util.CollectionUtils

public class CollectionUtils
extends Object

Collection utilities.

Method Summary

Modifier and Type	Method	Description
static <T> boolean	containsNull(Set<T> set)	Returns true if the specified set contains null.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

containsNull

public static <T> boolean containsNull(Set<T> set)

Returns true if the specified set contains null. Prevents a NPE when calling Set.contains(null) on a Java 9 Set.of().

Parameters:

set - The set. Must not be null.

Returns:

true if the set contains null, else false.