java.util package
This Java package contains the collections framework, legacy collection classes, event model, date and time facilities, internationalization, and miscellaneous utility classes.
The java.util means java utility is the very useful package for users and developer.
The java.utill package contains various utility classes and interfaces.
The java.util class contains following classes.
Random
Date
GregorianCalendar
Vector
HashTable
StringTokenizer
