BidirectionalMap (zk 10.0.0 API)

java.lang.Object
- java.util.AbstractMap<K,V>
- - java.util.HashMap<K,V>
  - - org.zkoss.stateless.util.BidirectionalMap<K,V>

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.util.Map<K,V>
```
public class BidirectionalMap<K,V>
extends java.util.HashMap<K,V>
```
A bidirectional map is a map that preserves the uniqueness of its values as well as that of its keys.

Author:

jumperchen

See Also:

Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from class java.util.AbstractMap
  java.util.AbstractMap.SimpleEntry<K extends java.lang.Object,V extends java.lang.Object>, java.util.AbstractMap.SimpleImmutableEntry<K extends java.lang.Object,V extends java.lang.Object>
- Nested classes/interfaces inherited from interface java.util.Map
  java.util.Map.Entry<K extends java.lang.Object,V extends java.lang.Object>

Constructor Summary

Constructors
Constructor	Description
`BidirectionalMap()`
`BidirectionalMap(int i)`
`BidirectionalMap(int i, float v)`
`BidirectionalMap(java.util.Map<? extends K,? extends V> map)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`clear()`
`boolean`	`equals(java.lang.Object o)`
`K`	`getKey(V value)`	Returns the key from the given value.
`int`	`hashCode()`
`V`	`put(K key, V value)`
`V`	`remove(java.lang.Object key)`

Methods inherited from class java.util.HashMap
clone, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, forEach, get, getOrDefault, isEmpty, keySet, merge, putAll, putIfAbsent, remove, replace, replace, replaceAll, size, values

Methods inherited from class java.util.AbstractMap
toString

Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - BidirectionalMap
```
public BidirectionalMap(int i,
                        float v)
```
  - BidirectionalMap
```
public BidirectionalMap(int i)
```
  - BidirectionalMap
```
public BidirectionalMap()
```
  - BidirectionalMap
```
public BidirectionalMap(java.util.Map<? extends K,? extends V> map)
```
- Method Detail
  - getKey
```
public K getKey(V value)
```
    Returns the key from the given value.
  - remove
```
public V remove(java.lang.Object key)
```
    Specified by:
    
    remove in interface java.util.Map<K,V>
    
    Overrides:
    
    remove in class java.util.HashMap<K,V>
  - put
```
public V put(K key,
             V value)
```
    Specified by:
    
    put in interface java.util.Map<K,V>
    
    Overrides:
    
    put in class java.util.HashMap<K,V>
  - clear
```
public void clear()
```
    Specified by:
    
    clear in interface java.util.Map<K,V>
    
    Overrides:
    
    clear in class java.util.HashMap<K,V>
  - equals
```
public boolean equals(java.lang.Object o)
```
    Specified by:
    
    equals in interface java.util.Map<K,V>
    
    Overrides:
    
    equals in class java.util.AbstractMap<K,V>
  - hashCode
```
public int hashCode()
```
    Specified by:
    
    hashCode in interface java.util.Map<K,V>
    
    Overrides:
    
    hashCode in class java.util.AbstractMap<K,V>