public abstract class AbstractMap
extends java.util.AbstractMap
Modifier and Type | Class and Description |
---|---|
static class |
AbstractMap.SimpleEntry
An Entry maintaining a key and a value.
|
static class |
AbstractMap.SimpleImmutableEntry
An Entry maintaining an immutable key and value, This class
does not support method setValue.
|
Modifier | Constructor and Description |
---|---|
protected |
AbstractMap()
Sole constructor.
|
Modifier and Type | Method and Description |
---|---|
java.util.Set |
keySet() |