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Package java.util

Changed Classes and Interfaces
Arrays This class contains various methods for manipulating arrays (such as sorting and searching).
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.
Collections This class consists exclusively of static methods that operate on or return collections.
Date The class Date represents a specific instant in time with millisecond precision.
GregorianCalendar GregorianCalendar is a concrete subclass of Calendar and provides the standard calendar used by most of the world.
HashMap Hash table based implementation of the Map interface.
Hashtable This class implements a hashtable which maps keys to values.
List An ordered collection (also known as a sequence).
Properties The Properties class represents a persistent set of properties.
Random An instance of this class is used to generate a stream of pseudorandom numbers.
TimeZone TimeZone represents a time zone offset and also figures out daylight savings.
WeakHashMap A hashtable-based Map implementation with weak keys.