lang.annotation" class="externalLink">RUNTIME</a>)
public @interface <span class="memberNameLabel">MapKeyEnumerated</span></pre>
<div class="block">Specifies the enum type for a map key whose basic type is an enumerated type.
 
 The <code>MapKeyEnumerated</code> annotation can be applied to an 
 element collection or relationship of type <code>java.util.Map</code>, in 
 conjunction with the <code>ElementCollection</code>, <code>OneToMany</code>, or 
 <code>ManyToMany</code> annotation.
 If the enumerated ty