de.weltraumschaf.commons.guava

Class Maps

java.lang.Object

de.weltraumschaf.commons.guava.Maps

public final class Maps
extends Object

Minimal set of com.google.common.collect.Maps.

Since:

2.0.0 (imported from Google Collections Library)

Author:

Kevin Bourrillion, Mike Bostock, Isaac Shum, Louis Wasserman

Constructor Summary

Constructors

Modifier	Constructor and Description
private	Maps() Hidden for pure static factory.

Method Summary

Modifier and Type	Method and Description
static <K,V> Map<K,V>	newHashMap() Creates a mutable, empty HashMap instance.
static <K,V> Map<K,V>	newHashMap(Map<? extends K,? extends V> map) Creates a mutable HashMap instance with the same mappings as the specified map.
static <K,V> IdentityHashMap<K,V>	newIdentityHashMap() Creates an IdentityHashMap instance.

Methods inherited from class java.lang.Object

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

Constructor Detail

Maps

private Maps()

Hidden for pure static factory.

Method Detail

newHashMap

public static <K,V> Map<K,V> newHashMap()

Creates a mutable, empty HashMap instance.

Type Parameters:

K - type of key

V - type of value

Returns:

a new, empty HashMap

newHashMap

public static <K,V> Map<K,V> newHashMap(Map<? extends K,? extends V> map)

Creates a mutable HashMap instance with the same mappings as the specified map.

Type Parameters:

K - type of key

V - type of value

Parameters:

map - the mappings to be placed in the new map

Returns:

a new HashMap initialized with the mappings from map

newIdentityHashMap

public static <K,V> IdentityHashMap<K,V> newIdentityHashMap()

Creates an IdentityHashMap instance.

Type Parameters:

K - a K object.

V - a V object.

Returns:

a new, empty IdentityHashMap