Package org.aoju.bus.core.map

Class TableMap<K,V>

java.lang.Object

org.aoju.bus.core.map.TableMap<K,V>

Type Parameters:

K - 键类型

V - 值类型

All Implemented Interfaces:

Serializable, Iterable<Map.Entry<K,V>>, Map<K,V>

public class TableMap<K,V>
extends Object
implements Map<K,V>, Iterable<Map.Entry<K,V>>, Serializable

无重复键的Map

Since:

Java 17+

Author:

Kimi Liu

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K extends Object,V extends Object>

Constructor Summary

Constructors

Constructor	Description
TableMap()	构造
TableMap(int size)	构造
TableMap(K[] keys, V[] values)	构造

Method Summary

Modifier and Type	Method	Description
void	clear()
boolean	containsKey(Object key)
boolean	containsValue(Object value)
Set<Map.Entry<K,V>>	entrySet()
V	get(Object key)
K	getKey(V value)	根据value获得对应的key，只返回找到的第一个value对应的key值
List<K>	getKeys(V value)	获取指定value对应的所有key
List<V>	getValues(K key)	获取指定key对应的所有值
boolean	isEmpty()
Iterator<Map.Entry<K,V>>	iterator()
List<K>	keys()	获取所有键，可重复，不可修改
Set<K>	keySet()
V	put(K key, V value)
void	putAll(Map<? extends K,? extends V> m)
V	remove(Object key)
int	size()
String	toString()
Collection<V>	values()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, equals, forEach, getOrDefault, hashCode, merge, putIfAbsent, remove, replace, replace, replaceAll

Constructor Details

TableMap

public TableMap()

构造

TableMap

public TableMap(int size)

构造

Parameters:

size - 初始容量

TableMap

public TableMap(K[] keys,
 V[] values)

构造

Parameters:

keys - 键列表

values - 值列表

Method Details

size

public int size()

Specified by:

size in interface Map<K,V>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map<K,V>

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map<K,V>

containsValue

public boolean containsValue(Object value)

Specified by:

containsValue in interface Map<K,V>

get

public V get(Object key)

Specified by:

get in interface Map<K,V>

getKey

public K getKey(V value)

根据value获得对应的key，只返回找到的第一个value对应的key值

Parameters:

value - 值

Returns:

键

getValues

public List<V> getValues(K key)

获取指定key对应的所有值

Parameters:

key - 键

Returns:

值列表

getKeys

public List<K> getKeys(V value)

获取指定value对应的所有key

Parameters:

value - 值

Returns:

值列表

put

public V put(K key,
 V value)

Specified by:

put in interface Map<K,V>

remove

public V remove(Object key)

Specified by:

remove in interface Map<K,V>

putAll

public void putAll(Map<? extends K,? extends V> m)

Specified by:

putAll in interface Map<K,V>

clear

public void clear()

Specified by:

clear in interface Map<K,V>

keySet

public Set<K> keySet()

Specified by:

keySet in interface Map<K,V>

keys

public List<K> keys()

获取所有键，可重复，不可修改

Returns:

键列表

values

public Collection<V> values()

Specified by:

values in interface Map<K,V>

entrySet

public Set<Map.Entry<K,V>> entrySet()

Specified by:

entrySet in interface Map<K,V>

iterator

public Iterator<Map.Entry<K,V>> iterator()

Specified by:

iterator in interface Iterable<K>

toString

public String toString()

Overrides:

toString in class Object