No. EnumMap
doesn't use hashing. It uses the enum
ordinal values as indexes into an array of the value type.
Reference:
- http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/7-b147/java/util/EnumMap.java#EnumMap.getKeyUniverse%28java.lang.Class%29. (If this link breaks, Google for "java.util.EnumMap source".)