edu.emory.mathcs.backport.java.util

Class AbstractMap.SimpleEntry

public static class AbstractMap.SimpleEntry extends Object implements Entry

An Entry maintaining a key and a value. The value may be changed using the setValue method. This class facilitates the process of building custom map implementations. For example, it may be convenient to return arrays of SimpleEntry instances in method Map.entrySet().toArray

Since: 1.6

Constructor Summary
	SimpleEntry(Object key, Object value) Creates an entry representing a mapping from the specified key to the specified value.
	SimpleEntry(Entry entry) Creates an entry representing the same mapping as the specified entry.

Method Summary
boolean	equals(Object o)
Object	getKey() Returns the key corresponding to this entry.
Object	getValue() Returns the value corresponding to this entry.
int	hashCode()
Object	setValue(Object value) Replaces the value corresponding to this entry with the specified value.
String	toString() Returns a String representation of this map entry.

Constructor Detail

SimpleEntry

public SimpleEntry(Object key, Object value)

Creates an entry representing a mapping from the specified key to the specified value.

Parameters: key the key represented by this entry value the value represented by this entry

SimpleEntry

public SimpleEntry(Entry entry)

Creates an entry representing the same mapping as the specified entry.

Parameters: entry the entry to copy

Method Detail

equals

public boolean equals(Object o)

getKey

public Object getKey()

Returns the key corresponding to this entry.

Returns: the key corresponding to this entry

getValue

public Object getValue()

Returns the value corresponding to this entry.

Returns: the value corresponding to this entry

hashCode

public int hashCode()

setValue

public Object setValue(Object value)

Replaces the value corresponding to this entry with the specified value.

Parameters: value new value to be stored in this entry

Returns: the old value corresponding to the entry

toString

public String toString()

Returns a String representation of this map entry. This implementation returns the string representation of this entry's key followed by the equals character ("=") followed by the string representation of this entry's value.

Returns: a String representation of this map entry