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概述
软件包
类
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Java™ Platform
Standard Ed. 8
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Hierarchy For Package java.util
Package Hierarchies:
All Packages
Class Hierarchy
java.lang.
Object
java.util.
AbstractCollection
<E> (implements java.util.
Collection
<E>)
java.util.
AbstractList
<E> (implements java.util.
List
<E>)
java.util.
AbstractSequentialList
<E>
java.util.
LinkedList
<E> (implements java.lang.
Cloneable
, java.util.
Deque
<E>, java.util.
List
<E>, java.io.
Serializable
)
java.util.
ArrayList
<E> (implements java.lang.
Cloneable
, java.util.
List
<E>, java.util.
RandomAccess
, java.io.
Serializable
)
java.util.
Vector
<E> (implements java.lang.
Cloneable
, java.util.
List
<E>, java.util.
RandomAccess
, java.io.
Serializable
)
java.util.
Stack
<E>
java.util.
AbstractQueue
<E> (implements java.util.
Queue
<E>)
java.util.
PriorityQueue
<E> (implements java.io.
Serializable
)
java.util.
AbstractSet
<E> (implements java.util.
Set
<E>)
java.util.
EnumSet
<E> (implements java.lang.
Cloneable
, java.io.
Serializable
)
java.util.
HashSet
<E> (implements java.lang.
Cloneable
, java.io.
Serializable
, java.util.
Set
<E>)
java.util.
LinkedHashSet
<E> (implements java.lang.
Cloneable
, java.io.
Serializable
, java.util.
Set
<E>)
java.util.
TreeSet
<E> (implements java.lang.
Cloneable
, java.util.
NavigableSet
<E>, java.io.
Serializable
)
java.util.
ArrayDeque
<E> (implements java.lang.
Cloneable
, java.util.
Deque
<E>, java.io.
Serializable
)
java.util.
AbstractMap
<K,V> (implements java.util.
Map
<K,V>)
java.util.
EnumMap
<K,V> (implements java.lang.
Cloneable
, java.io.
Serializable
)
java.util.
HashMap
<K,V> (implements java.lang.
Cloneable
, java.util.
Map
<K,V>, java.io.
Serializable
)
java.util.
LinkedHashMap
<K,V> (implements java.util.
Map
<K,V>)
java.util.
IdentityHashMap
<K,V> (implements java.lang.
Cloneable
, java.util.
Map
<K,V>, java.io.
Serializable
)
java.util.
TreeMap
<K,V> (implements java.lang.
Cloneable
, java.util.
NavigableMap
<K,V>, java.io.
Serializable
)
java.util.
WeakHashMap
<K,V> (implements java.util.
Map
<K,V>)
java.util.
AbstractMap.SimpleEntry
<K,V> (implements java.util.
Map.Entry
<K,V>, java.io.
Serializable
)
java.util.
AbstractMap.SimpleImmutableEntry
<K,V> (implements java.util.
Map.Entry
<K,V>, java.io.
Serializable
)
java.util.
Arrays
java.util.
Base64
java.util.
Base64.Decoder
java.util.
Base64.Encoder
java.util.
BitSet
(implements java.lang.
Cloneable
, java.io.
Serializable
)
java.util.
Calendar
(implements java.lang.
Cloneable
, java.lang.
Comparable
<T>, java.io.
Serializable
)
java.util.
GregorianCalendar
java.util.
Calendar.Builder
java.util.
Collections
java.util.
Currency
(implements java.io.
Serializable
)
java.util.
Date
(implements java.lang.
Cloneable
, java.lang.
Comparable
<T>, java.io.
Serializable
)
java.util.
Dictionary
<K,V>
java.util.
Hashtable
<K,V> (implements java.lang.
Cloneable
, java.util.
Map
<K,V>, java.io.
Serializable
)
java.util.
Properties
java.util.
DoubleSummaryStatistics
(implements java.util.function.
DoubleConsumer
)
java.util.
EventListenerProxy
<T> (implements java.util.
EventListener
)
java.util.
EventObject
(implements java.io.
Serializable
)
java.util.
FormattableFlags
java.util.
Formatter
(implements java.io.
Closeable
, java.io.
Flushable
)
java.util.
IntSummaryStatistics
(implements java.util.function.
IntConsumer
)
java.util.
Locale
(implements java.lang.
Cloneable
, java.io.
Serializable
)
java.util.
Locale.Builder
java.util.
Locale.LanguageRange
java.util.
LongSummaryStatistics
(implements java.util.function.
IntConsumer
, java.util.function.
LongConsumer
)
java.util.
Objects
java.util.
Observable
java.util.
Optional
<T>
java.util.
OptionalDouble
java.util.
OptionalInt
java.util.
OptionalLong
java.security.
Permission
(implements java.security.
Guard
, java.io.
Serializable
)
java.security.
BasicPermission
(implements java.io.
Serializable
)
java.util.
PropertyPermission
java.util.
Random
(implements java.io.
Serializable
)
java.util.
ResourceBundle
java.util.
ListResourceBundle
java.util.
PropertyResourceBundle
java.util.
ResourceBundle.Control
java.util.
Scanner
(implements java.io.
Closeable
, java.util.
Iterator
<E>)
java.util.
ServiceLoader
<S> (implements java.lang.
Iterable
<T>)
java.util.
Spliterators
java.util.
Spliterators.AbstractDoubleSpliterator
(implements java.util.
Spliterator.OfDouble
)
java.util.
Spliterators.AbstractIntSpliterator
(implements java.util.
Spliterator.OfInt
)
java.util.
Spliterators.AbstractLongSpliterator
(implements java.util.
Spliterator.OfLong
)
java.util.
Spliterators.AbstractSpliterator
<T> (implements java.util.
Spliterator
<T>)
java.util.
SplittableRandom
java.util.
StringJoiner
java.util.
StringTokenizer
(implements java.util.
Enumeration
<E>)
java.lang.
Throwable
(implements java.io.
Serializable
)
java.lang.
Error
java.util.
ServiceConfigurationError
java.lang.
异常
java.io.
IOException
java.util.
InvalidPropertiesFormatException
java.lang.
RuntimeException
java.util.
ConcurrentModificationException
java.util.
EmptyStackException
java.lang.
IllegalArgumentException
java.util.
IllegalFormatException
java.util.
DuplicateFormatFlagsException
java.util.
FormatFlagsConversionMismatchException
java.util.
IllegalFormatCodePointException
java.util.
IllegalFormatConversionException
java.util.
IllegalFormatFlagsException
java.util.
IllegalFormatPrecisionException
java.util.
IllegalFormatWidthException
java.util.
MissingFormatArgumentException
java.util.
MissingFormatWidthException
java.util.
UnknownFormatConversionException
java.util.
UnknownFormatFlagsException
java.lang.
IllegalStateException
java.util.
FormatterClosedException
java.util.
IllformedLocaleException
java.util.
MissingResourceException
java.util.
NoSuchElementException
java.util.
InputMismatchException
java.util.
TooManyListenersException
java.util.
Timer
java.util.
TimerTask
(implements java.lang.
Runnable
)
java.util.
TimeZone
(implements java.lang.
Cloneable
, java.io.
Serializable
)
java.util.
SimpleTimeZone
java.util.
UUID
(implements java.lang.
Comparable
<T>, java.io.
Serializable
)
Interface Hierarchy
java.util.
Comparator
<T>
java.util.
Enumeration
<E>
java.util.
EventListener
java.util.
Formattable
java.lang.
Iterable
<T>
java.util.
Collection
<E>
java.util.
List
<E>
java.util.
Queue
<E>
java.util.
Deque
<E>
java.util.
Set
<E>
java.util.
SortedSet
<E>
java.util.
NavigableSet
<E>
java.util.
Iterator
<E>
java.util.
ListIterator
<E>
java.util.
PrimitiveIterator
<T,T_CONS>
java.util.
PrimitiveIterator.OfDouble
java.util.
PrimitiveIterator.OfInt
java.util.
PrimitiveIterator.OfLong
java.util.
Map
<K,V>
java.util.
SortedMap
<K,V>
java.util.
NavigableMap
<K,V>
java.util.
Map.Entry
<K,V>
java.util.
Observer
java.util.
RandomAccess
java.util.
Spliterator
<T>
java.util.
Spliterator.OfPrimitive
<T,T_CONS,T_SPLITR>
java.util.
Spliterator.OfDouble
java.util.
Spliterator.OfInt
java.util.
Spliterator.OfLong
Enum Hierarchy
java.lang.
Object
java.lang.
Enum
<E> (implements java.lang.
Comparable
<T>, java.io.
Serializable
)
java.util.
Formatter.BigDecimalLayoutForm
java.util.
Locale.Category
java.util.
Locale.FilteringMode
Skip navigation links
概述
软件包
类
使用
树
已过时的
索引
帮助
Java™ Platform
Standard Ed. 8
Prev
Next
框架
无框架
所有类