Package java.util

Contains the collection classes, date and time facilities and miscellaneous utility classes.

See:
Description

Interface Summary

Enumeration

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

Class Summary

Calendar	Calendar is an abstract base class for converting between a Date object and a set of integer fields such as YEAR, MONTH, DAY, HOUR, and so on.
Date	The class Date represents a specific instant in time, with millisecond precision.
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.
TimeZone	TimeZone represents a time zone offset, and also figures out daylight savings.
Timer	A facility for threads to schedule tasks for future execution in a background thread.
TimerTask	A task that can be scheduled for one-time or repeated execution by a Timer.
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.

Package java.util Description

Contains the collection classes, date and time facilities and miscellaneous utility classes.