Package java.util

Interface Summary
Enumeration An object that implements the Enumeration interface generates a series of elements, one at a time.
 

Class Summary
Calendar This is a very much slimmed down version of the J2SE Calendar class for J2ME.
Hashtable This class implements a hashtable, which maps keys to values.
Random An instance of this class is used to generate a stream of pseudorandom numbers.
Stack The Stack class represents a last-in-first-out (LIFO) stack of objects.
Vector The Vector class implements a growable array of objects.
 

Exception Summary
EmptyStackException Thrown by methods in the Stack class to indicate that the stack is empty.
NoSuchElementException Thrown by the nextElement method of an Enumeration to indicate that there are no more elements in the enumeration.