what difference between hashmap and map

hai,what difference between hashmap and map?
[58 byte] By [anandh2] at [2007-11-26 8:42:15]
# 1
A HashMap is a concrete class that implements the Map interface. If you want an instance of Map, you must instantiate a concrete class like HashMap, or get it from a static method in the Collections class.
Magnifying_Glass at 2007-7-6 22:21:28 > top of Java-index,Development Tools,Java Tools...