null and not the empty String.superType.isAssignableFrom(subType) is true.superType.isAssignableFrom(subType) is true.null.IllegalArgumentException
if the expression evaluates to false.null elements.null and must contain at least one element.null and must contain at least one element.null
and must contain at least one entry.null.IllegalStateException
if the expression evaluates to false.Copyright © 2019. All rights reserved.