public enum ReferenceType extends Enum<ReferenceType>
Reference| Enum Constant and Description |
|---|
PHANTOM
Similar to weak references except the garbage collector doesn't actually
reclaim the referent.
|
SOFT
Referent reclaimed in an LRU fashion when the VM runs low on memory and
no strong references exist.
|
STRONG
Prevents referent from being reclaimed by the garbage collector.
|
WEAK
Referent reclaimed when no strong or soft references exist.
|
| Modifier and Type | Method and Description |
|---|---|
static ReferenceType |
valueOf(String name)
Returns the enum constant of this type with the specified name.
|
static ReferenceType[] |
values()
Returns an array containing the constants of this enum type, in
the order they are declared.
|
public static final ReferenceType STRONG
public static final ReferenceType SOFT
SoftReferencepublic static final ReferenceType WEAK
WeakReferencepublic static final ReferenceType PHANTOM
PhantomReferencepublic static ReferenceType[] values()
for (ReferenceType c : ReferenceType.values()) System.out.println(c);
public static ReferenceType valueOf(String name)
name - the name of the enum constant to be returned.IllegalArgumentException - if this enum type has no constant with the specified nameNullPointerException - if the argument is nullCopyright © 2000–2021 Apache Software Foundation. All rights reserved.