Package java.util

Interface Summary

Enumeration	The Enumeration interface specifies a set of methods that may be used to enumerate, or count through, a set of values.
Observer	When implemented, this interface allows all classes to be observable by instances of class Observer.

Class Summary

BitSet	A set of bits.
Date	A wrapper for a date.
Dictionary	The Dictionary class is the abstract parent of Hashtable, which maps keys to values.
Hashtable	Hashtable class.
Observable	This class should be subclassed by observable object, or "data" in the Model-View paradigm.
Properties	Persistent properties class.
Random	A Random class generates a stream of pseudo-random numbers.
Stack	A Last-In-First-Out(LIFO) stack of objects.
StringTokenizer	StringTokenizer is a class that controls simple linear tokenization of a String.
Vector	Vector class (a growable array).

Exception Summary

EmptyStackException	Signals that the stack is empty.
NoSuchElementException	Signals that an enumeration is empty.