Package org.pentaho.reporting.libraries.base.util

Class Empty

java.lang.Object

org.pentaho.reporting.libraries.base.util.Empty

public final class Empty
extends Object

Class which holds a static reference to a set of empty objects. This is created for performance reasons. Using this class will prevent creating duplicated "empty" object.

Author:

David Kincade

Field Summary

Fields

Modifier and Type	Field	Description
static final List	LIST	Deprecated. this is a redeclaration of the Collections.EMPTY_LIST field and should be killed.
static final Map	MAP	Deprecated. this is a redeclaration of the Collections.EMPTY_MAP field and should be killed.
static final String	STRING	The empty string.
static final String[]	STRING_ARRAY	An empty array of Strings.

Method Summary

Methods inherited from class java.lang.Object

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

Field Details

STRING

public static final String STRING

The empty string.

See Also:

• Constant Field Values

STRING_ARRAY

public static final String[] STRING_ARRAY

An empty array of Strings.

MAP

public static final Map MAP

Deprecated.

this is a redeclaration of the Collections.EMPTY_MAP field and should be killed.

An empty Map. (Collections.EMPTY_MAP is not available until JDK 1.4)

LIST

public static final List LIST

Deprecated.

this is a redeclaration of the Collections.EMPTY_LIST field and should be killed.

An empty List.