Package java.util

Interface Summary
Collection Standard Java interface.
Comparator Standard Java interface.
Enumeration Standard Java interface.
EventListener Standard Java interface.
Iterator Standard Java interface.
List  
ListIterator  
Map  
Map.Entry  
Observer Standard Java interface.
RandomAccess  
Set Standard Java interface.
SortedMap  
SortedSet  
 

Class Summary
AbstractCollection  
AbstractList  
AbstractMap  
AbstractSequentialList  
AbstractSet  
ArrayList  
Arrays  
BitSet Set of bits.
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  
Date Representation for a date, as specified by the standard Java API.
Dictionary Standard (but outdated) abstract class for mapping-like classes.
EventListenerProxy Standard Java class.
EventObject Standard Java base class for events.
GregorianCalendar GregorianCalendar is a concrete subclass of Calendar and provides the standard calendar used by most of the world.
HashMap  
HashSet  
Hashtable  
IdentityHashMap  
LinkedHashMap  
LinkedHashSet  
LinkedList  
Locale  
Observable Standard Java class for objects that provide the ability to observe updates.
Random Random number generator, as specified by the standard Java API.
SimpleTimeZone SimpleTimeZone is a concrete subclass of TimeZone that represents a time zone for use with a Gregorian calendar.
Stack Stack of objects, as specified by the standard Java API.
StringTokenizer String tokenizer, as specified by the standard Java API.
Timer  
TimerTask  
TimeZone TimeZone represents a time zone offset, and also figures out daylight savings.
TreeMap  
TreeSet  
Vector Stretchy vector of objects, as specified by the standard Java API.
WeakHashMap  
 

Exception Summary
ConcurrentModificationException  
EmptyStackException Standard exception class, as specified by the standard Java API.
NoSuchElementException Standard exception class, as specified by the standard Java API.
TooManyListenersException