= Cardinality _(enum)_
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== API

[source,java]
.Cardinality.java
----
enum Cardinality {
  ZERO     // <.>
  ONE     // <.>
  MULTIPLE     // <.>
  boolean isZero()
  boolean isOne()
  boolean isMultiple()
}
----

<.> xref:#ZERO[ZERO]
+
--
The container is empty.
--
<.> xref:#ONE[ONE]
+
--
The container has exactly one element.
--
<.> xref:#MULTIPLE[MULTIPLE]
+
--
The container has at least two elements.
--

== Members

[#ZERO]
=== ZERO

The container is empty.

[#ONE]
=== ONE

The container has exactly one element.

[#MULTIPLE]
=== MULTIPLE

The container has at least two elements.
