Module net.luis.utils

Package net.luis.utils.collection.util

Class SimpleEntry<K,V>

java.lang.Object

net.luis.utils.collection.util.SimpleEntry<K,V>

Type Parameters:

K - The type of the key

V - The type of the value

All Implemented Interfaces:

Map.Entry<K,V>

Direct Known Subclasses:

MutableEntry

@Unmodifiable
public class SimpleEntry<K,V>
extends Object
implements Map.Entry<K,V>

A simple immutable implementation of the Map.Entry interface.

See Also:

• MutableEntry

Field Summary

Fields

Modifier and Type	Field	Description
private final K	key	The key of the entry.
protected V	value	The value of the entry.

Constructor Summary

Constructors

Constructor	Description
SimpleEntry(K key, V value)	Constructs a new simple entry with the specified key and value.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
K	getKey()
V	getValue()
int	hashCode()
V	setValue(V value)	Throws a ModificationException because the entry is immutable.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

key

private final K key

The key of the entry.

value

protected V value

The value of the entry.

Constructor Details

SimpleEntry

public SimpleEntry(@NotNull
 K key,
 @Nullable
 V value)

Constructs a new simple entry with the specified key and value.

Parameters:

key - The key of the entry

value - The value of the entry

Throws:

NullPointerException - If the key is null

Method Details

getKey

@NotNull
public K getKey()

Specified by:

getKey in interface Map.Entry<K,V>

Returns:

The key of the entry

getValue

@Nullable
public V getValue()

Specified by:

getValue in interface Map.Entry<K,V>

Returns:

The value of the entry

setValue

@Nullable
public V setValue(@Always @Nullable
 V value)

Throws a ModificationException because the entry is immutable.

Specified by:

setValue in interface Map.Entry<K,V>

Parameters:

value - The new value of the entry (ignored)

Returns:

Nothing, because an exception is thrown

Throws:

ModificationException - Always

equals

public boolean equals(Object o)

Specified by:

equals in interface Map.Entry<K,V>

Overrides:

equals in class Object

hashCode

public int hashCode()

Specified by:

hashCode in interface Map.Entry<K,V>

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object