public class MapFactory extends Object
Constructor and Description |
---|
MapFactory() |
Modifier and Type | Method and Description |
---|---|
static Map |
create(boolean allowNullKeys)
Creates a new instance of a class that implements Map interface
using the JDK defaults for initial size, load factor, etc.
|
static Map |
create(int size,
float loadFactor,
int concurrencyLevel,
boolean allowNullKeys)
Creates a new instance of a class that implements Map interface.
|
public static Map create(boolean allowNullKeys)
allowNullKeys
- if true, the returned Map instance supports null keyspublic static Map create(int size, float loadFactor, int concurrencyLevel, boolean allowNullKeys)
size
- initial size of the maploadFactor
- smaller value = better performance,
larger value = better memory utilizationconcurrencyLevel
- estimated number of writer Threads.
If this is smaller than 1, HashMap is always returned which is not
threadsafe.allowNullKeys
- if true, the returned Map instance supports null keysCopyright © 2000–2018. All rights reserved.