Package java.util



Interface Summary
Enumeration Enumeration object allows you to go through collections one object at a time.
EventListener Every event in Java implement this interface
Iterator<E> An iterator over a collection.
RandomAccess Just some interface that something allowes efficient RandomAccess (for example a List).

Class Summary
ArrayList<E> An expandable array.
BitSet Represents a long set of bits.
Date Class designed to manage Date and Time.
Hashtable Maps keys to objects.
Properties Properties class, used to store properties using a key, and retrieving properties with a key.
Queue A FIFO Queue of objects.
Random Pseudo-random number generation.
Stack A LIFO stack of objects.
StringTokenizer This class has been developed to parse strings with delimiters
Vector A dynamic array.

Exception Summary
ConcurrentModificationException Exception thrown by Iterators if the underlying connection has been modified during the iteration.
EmptyQueueException An exception thrown by some Queue class methods to indicate that the Queue is empty
EmptyStackException An exception thrown by some stack class methods to indicate that the stack is empty
NoSuchElementException NoSuchElementException is a Exception used with StringTokenizer

Package java.util Description