DefaultMapEntry

org.apache.commons.collections4.keyvalue

Class DefaultMapEntry<K,V>

java.lang.Object
- org.apache.commons.collections4.keyvalue.AbstractKeyValue<K,V>
- - org.apache.commons.collections4.keyvalue.AbstractMapEntry<K,V>
  - - org.apache.commons.collections4.keyvalue.DefaultMapEntry<K,V>

All Implemented Interfaces:

Map.Entry<K,V>, KeyValue<K,V>
```
public final class DefaultMapEntry<K,V>
extends AbstractMapEntry<K,V>
```
A restricted implementation of Map.Entry that prevents the Map.Entry contract from being broken.

Since:

3.0

Constructor Summary

Constructors

Constructor and Description
`DefaultMapEntry(KeyValue<? extends K,? extends V> pair)` Constructs a new entry from the specified `KeyValue`.
`DefaultMapEntry(K key, V value)` Constructs a new entry with the specified key and given value.
`DefaultMapEntry(Map.Entry<? extends K,? extends V> entry)` Constructs a new entry from the specified `Map.Entry`.

Method Summary
- Methods inherited from class org.apache.commons.collections4.keyvalue.AbstractMapEntry
  equals, hashCode, setValue
- Methods inherited from class org.apache.commons.collections4.keyvalue.AbstractKeyValue
  getKey, getValue, setKey, toString
- Methods inherited from class java.lang.Object
  clone, finalize, getClass, notify, notifyAll, wait, wait, wait
- Methods inherited from interface java.util.Map.Entry
  comparingByKey, comparingByKey, comparingByValue, comparingByValue, getKey, getValue

- Constructor Detail
  - DefaultMapEntry
```
public DefaultMapEntry(K key,
                       V value)
```
    Constructs a new entry with the specified key and given value.
    
    Parameters:
    
    key - the key for the entry, may be null
    
    value - the value for the entry, may be null
  - DefaultMapEntry
```
public DefaultMapEntry(KeyValue<? extends K,? extends V> pair)
```
    Constructs a new entry from the specified KeyValue.
    
    Parameters:
    
    pair - the pair to copy, must not be null
    
    Throws:
    
    NullPointerException - if the entry is null
  - DefaultMapEntry
```
public DefaultMapEntry(Map.Entry<? extends K,? extends V> entry)
```
    Constructs a new entry from the specified Map.Entry.
    
    Parameters:
    
    entry - the entry to copy, must not be null
    
    Throws:
    
    NullPointerException - if the entry is null